diff --git a/hyracks/hyracks-api/pom.xml b/hyracks/hyracks-api/pom.xml
index 6807f76..091767b 100644
--- a/hyracks/hyracks-api/pom.xml
+++ b/hyracks/hyracks-api/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -47,7 +47,7 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-ipc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   	</dependency>
   	<dependency>
   		<groupId>org.apache.commons</groupId>
diff --git a/hyracks/hyracks-client/pom.xml b/hyracks/hyracks-client/pom.xml
index 854a009..c86b0d3 100644
--- a/hyracks/hyracks-client/pom.xml
+++ b/hyracks/hyracks-client/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -25,22 +25,22 @@
  <dependency>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-api</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
  </dependency>
  <dependency>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-net</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
  </dependency>
  <dependency>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-comm</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
  </dependency>
   <dependency>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-dataflow-common</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
  </dependency>
   </dependencies>
 </project>
diff --git a/hyracks/hyracks-comm/pom.xml b/hyracks/hyracks-comm/pom.xml
index c3583699..2720f95 100644
--- a/hyracks/hyracks-comm/pom.xml
+++ b/hyracks/hyracks-comm/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -25,12 +25,12 @@
  <dependency>
  	<groupId>edu.uci.ics.hyracks</groupId>
  	<artifactId>hyracks-api</artifactId>
- 	<version>0.2.3-SNAPSHOT</version>
+ 	<version>0.2.4-SNAPSHOT</version>
  </dependency>
   <dependency>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-net</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
  </dependency>
   </dependencies>
 </project>
diff --git a/hyracks/hyracks-control/hyracks-control-cc/pom.xml b/hyracks/hyracks-control/hyracks-control-cc/pom.xml
index d644673..1730595 100644
--- a/hyracks/hyracks-control/hyracks-control-cc/pom.xml
+++ b/hyracks/hyracks-control/hyracks-control-cc/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -26,7 +26,7 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-control/hyracks-control-common/pom.xml b/hyracks/hyracks-control/hyracks-control-common/pom.xml
index ce1298e..75fe3c9 100644
--- a/hyracks/hyracks-control/hyracks-control-common/pom.xml
+++ b/hyracks/hyracks-control/hyracks-control-common/pom.xml
@@ -3,12 +3,12 @@
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-control-common</artifactId>
   <name>hyracks-control-common</name>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -29,7 +29,7 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-control/hyracks-control-nc/pom.xml b/hyracks/hyracks-control/hyracks-control-nc/pom.xml
index e163d2b..df5c998 100644
--- a/hyracks/hyracks-control/hyracks-control-nc/pom.xml
+++ b/hyracks/hyracks-control/hyracks-control-nc/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-control</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -26,19 +26,19 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-net</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-comm</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   	</dependency>
   </dependencies>
   <reporting>
diff --git a/hyracks/hyracks-control/pom.xml b/hyracks/hyracks-control/pom.xml
index 13ebf41..e1ab98d 100644
--- a/hyracks/hyracks-control/pom.xml
+++ b/hyracks/hyracks-control/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
diff --git a/hyracks/hyracks-data/hyracks-data-std/pom.xml b/hyracks/hyracks-data/hyracks-data-std/pom.xml
index 8f5f04e..fe53083 100644
--- a/hyracks/hyracks-data/hyracks-data-std/pom.xml
+++ b/hyracks/hyracks-data/hyracks-data-std/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-data</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -27,7 +27,7 @@
   <dependency>
   	<groupId>edu.uci.ics.hyracks</groupId>
   	<artifactId>hyracks-api</artifactId>
-  	<version>0.2.3-SNAPSHOT</version>
+  	<version>0.2.4-SNAPSHOT</version>
   </dependency>
   </dependencies>
 </project>
diff --git a/hyracks/hyracks-data/pom.xml b/hyracks/hyracks-data/pom.xml
index db4d8e9..45460cab 100644
--- a/hyracks/hyracks-data/pom.xml
+++ b/hyracks/hyracks-data/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
diff --git a/hyracks/hyracks-dataflow-common/pom.xml b/hyracks/hyracks-dataflow-common/pom.xml
index 1a2950b..c66d10e 100644
--- a/hyracks/hyracks-dataflow-common/pom.xml
+++ b/hyracks/hyracks-dataflow-common/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -26,14 +26,14 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   	</dependency>
   </dependencies>
 </project>
diff --git a/hyracks/hyracks-dataflow-hadoop/pom.xml b/hyracks/hyracks-dataflow-hadoop/pom.xml
index f5135f8..18bcba7 100644
--- a/hyracks/hyracks-dataflow-hadoop/pom.xml
+++ b/hyracks/hyracks-dataflow-hadoop/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -26,14 +26,14 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
@@ -53,7 +53,7 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   </dependencies>
diff --git a/hyracks/hyracks-dataflow-std/pom.xml b/hyracks/hyracks-dataflow-std/pom.xml
index 2cf0fdc..bd4a837 100644
--- a/hyracks/hyracks-dataflow-std/pom.xml
+++ b/hyracks/hyracks-dataflow-std/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -27,14 +27,14 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-dist/pom.xml b/hyracks/hyracks-dist/pom.xml
index 58a4b1c..e79eba7 100755
--- a/hyracks/hyracks-dist/pom.xml
+++ b/hyracks/hyracks-dist/pom.xml
@@ -1,12 +1,10 @@
 <?xml version="1.0"?>
-<project
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<parent>
 		<artifactId>hyracks</artifactId>
 		<groupId>edu.uci.ics.hyracks</groupId>
-		<version>0.2.3-SNAPSHOT</version>
+		<version>0.2.4-SNAPSHOT</version>
 	</parent>
 
 	<artifactId>hyracks-dist</artifactId>
diff --git a/hyracks/hyracks-dist/src/main/resources/bin/startcc.sh b/hyracks/hyracks-dist/src/main/resources/bin/startcc.sh
index efb79ce..484ecac 100755
--- a/hyracks/hyracks-dist/src/main/resources/bin/startcc.sh
+++ b/hyracks/hyracks-dist/src/main/resources/bin/startcc.sh
@@ -22,4 +22,10 @@
 
 #Launch hyracks cc script
 chmod -R 755 $HYRACKS_HOME
+if [ -f "conf/topology.xml"  ]; then
+#Launch hyracks cc script with topology
+$HYRACKS_HOME/hyracks-server/target/appassembler/bin/hyrackscc -client-net-ip-address $CCHOST -cluster-net-ip-address $CCHOST -client-net-port $CC_CLIENTPORT -cluster-net-port $CC_CLUSTERPORT -max-heartbeat-lapse-periods 999999 -default-max-job-attempts 0 -job-history-size 0 -cluster-topology "conf/topology.xml" &> $CCLOGS_DIR/cc.log &
+else
+#Launch hyracks cc script without toplogy
 $HYRACKS_HOME/hyracks-server/target/appassembler/bin/hyrackscc -client-net-ip-address $CCHOST -cluster-net-ip-address $CCHOST -client-net-port $CC_CLIENTPORT -cluster-net-port $CC_CLUSTERPORT -max-heartbeat-lapse-periods 999999 -default-max-job-attempts 0 -job-history-size 0 &> $CCLOGS_DIR/cc.log &
+fi
diff --git a/hyracks/hyracks-dist/src/main/resources/conf/topology-template.xml b/hyracks/hyracks-dist/src/main/resources/conf/topology-template.xml
new file mode 100755
index 0000000..4710706
--- /dev/null
+++ b/hyracks/hyracks-dist/src/main/resources/conf/topology-template.xml
@@ -0,0 +1,7 @@
+<cluster-topology>
+    <network-switch name="Global">
+        <network-switch name="local">
+            <terminal name="127.0.0.1"/>
+        </network-switch>
+    </network-switch>
+</cluster-topology>
\ No newline at end of file
diff --git a/hyracks/hyracks-documentation/pom.xml b/hyracks/hyracks-documentation/pom.xml
index 7aedd57..b5e42ad 100644
--- a/hyracks/hyracks-documentation/pom.xml
+++ b/hyracks/hyracks-documentation/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
diff --git a/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml b/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
index f941a5b..64e30f9 100644
--- a/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/btreeclient/pom.xml
@@ -6,26 +6,26 @@
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>btree-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks.examples.btree</groupId>
   		<artifactId>btreehelper</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml b/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
index eb651ce..7f212ab 100644
--- a/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/btreehelper/pom.xml
@@ -6,32 +6,32 @@
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>btree-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   	</dependency>
   </dependencies>
   <build>
diff --git a/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml b/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml
index ec6747d..93b5f4f 100644
--- a/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/btreeserver/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks.examples.btree</groupId>
   <artifactId>btreeserver</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>btreeserver</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>btree-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -63,20 +63,20 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks.examples.btree</groupId>
   		<artifactId>btreehelper</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-examples/btree-example/pom.xml b/hyracks/hyracks-examples/btree-example/pom.xml
index d8a4367..135665a 100644
--- a/hyracks/hyracks-examples/btree-example/pom.xml
+++ b/hyracks/hyracks-examples/btree-example/pom.xml
@@ -2,14 +2,14 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks.examples</groupId>
   <artifactId>btree-example</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>btree-example</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
index f52536c..31809c7 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatclient/pom.xml
@@ -7,20 +7,20 @@
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>hadoop-compat-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks.examples.compat</groupId>
   		<artifactId>hadoopcompathelper</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
index c397a72..e8a9a1b 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompathelper/pom.xml
@@ -7,20 +7,20 @@
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>hadoop-compat-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   </dependencies>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/pom.xml
index b538db5..36d612b 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/hadoopcompatserver/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks.examples.compat</groupId>
   <artifactId>hadoopcompatserver</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hadoopcompatserver</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>hadoop-compat-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -60,7 +60,7 @@
       <plugin>
       	<groupId>edu.uci.ics.hyracks</groupId>
       	<artifactId>hyracks-virtualcluster-maven-plugin</artifactId>
-      	<version>0.2.3-SNAPSHOT</version>
+      	<version>0.2.4-SNAPSHOT</version>
         <configuration>
           <hyracksServerHome>${basedir}/target/hadoopcompatserver-${project.version}-binary-assembly</hyracksServerHome>
           <jvmOptions>${jvm.extraargs}</jvmOptions>
@@ -135,27 +135,27 @@
      <dependency>
         <groupId>edu.uci.ics.hyracks.examples.compat</groupId>
         <artifactId>hadoopcompathelper</artifactId>
-        <version>0.2.3-SNAPSHOT</version>
+        <version>0.2.4-SNAPSHOT</version>
         <scope>compile</scope>
      </dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
      <dependency>
         <groupId>edu.uci.ics.hyracks.examples.compat</groupId>
   	    <artifactId>hadoopcompatclient</artifactId>
-  	    <version>0.2.3-SNAPSHOT</version>
+  	    <version>0.2.4-SNAPSHOT</version>
   	    <type>jar</type>
   	    <scope>test</scope>
      </dependency>
diff --git a/hyracks/hyracks-examples/hadoop-compat-example/pom.xml b/hyracks/hyracks-examples/hadoop-compat-example/pom.xml
index 103d762..b4ba2a3 100644
--- a/hyracks/hyracks-examples/hadoop-compat-example/pom.xml
+++ b/hyracks/hyracks-examples/hadoop-compat-example/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
@@ -29,7 +29,7 @@
       <dependency>
          <groupId>edu.uci.ics.hyracks</groupId>
          <artifactId>hyracks-hadoop-compat</artifactId>
-         <version>0.2.3-SNAPSHOT</version>
+         <version>0.2.4-SNAPSHOT</version>
          <type>jar</type>
          <scope>compile</scope>
       </dependency>
diff --git a/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml b/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
index 5e7b5c9..f019b44 100644
--- a/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
+++ b/hyracks/hyracks-examples/hyracks-integration-tests/pom.xml
@@ -6,7 +6,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -34,63 +34,63 @@
   	<dependency>
         <groupId>edu.uci.ics.hyracks</groupId>
         <artifactId>hyracks-client</artifactId>
-        <version>0.2.3-SNAPSHOT</version>
+        <version>0.2.4-SNAPSHOT</version>
         <type>jar</type>
         <scope>compile</scope>
     </dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-invertedindex</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-rtree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>test</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   	</dependency>
   </dependencies>
 </project>
diff --git a/hyracks/hyracks-examples/pom.xml b/hyracks/hyracks-examples/pom.xml
index 551e2be..541220a 100644
--- a/hyracks/hyracks-examples/pom.xml
+++ b/hyracks/hyracks-examples/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
diff --git a/hyracks/hyracks-examples/text-example/pom.xml b/hyracks/hyracks-examples/text-example/pom.xml
index 469fd0e..a4b0311 100644
--- a/hyracks/hyracks-examples/text-example/pom.xml
+++ b/hyracks/hyracks-examples/text-example/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
diff --git a/hyracks/hyracks-examples/text-example/textclient/pom.xml b/hyracks/hyracks-examples/text-example/textclient/pom.xml
index 4aace73..633f480 100644
--- a/hyracks/hyracks-examples/text-example/textclient/pom.xml
+++ b/hyracks/hyracks-examples/text-example/textclient/pom.xml
@@ -7,20 +7,20 @@
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>text-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks.examples.text</groupId>
   		<artifactId>texthelper</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-examples/text-example/texthelper/pom.xml b/hyracks/hyracks-examples/text-example/texthelper/pom.xml
index bcb280c..5cf5da3 100644
--- a/hyracks/hyracks-examples/text-example/texthelper/pom.xml
+++ b/hyracks/hyracks-examples/text-example/texthelper/pom.xml
@@ -7,26 +7,26 @@
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>text-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   	</dependency>
   </dependencies>
   <build>
diff --git a/hyracks/hyracks-examples/text-example/textserver/pom.xml b/hyracks/hyracks-examples/text-example/textserver/pom.xml
index 1b1f2d4..bfbb0f4 100644
--- a/hyracks/hyracks-examples/text-example/textserver/pom.xml
+++ b/hyracks/hyracks-examples/text-example/textserver/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks.examples.text</groupId>
   <artifactId>textserver</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>textserver</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>text-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -60,7 +60,7 @@
       <plugin>
       	<groupId>edu.uci.ics.hyracks</groupId>
       	<artifactId>hyracks-virtualcluster-maven-plugin</artifactId>
-      	<version>0.2.3-SNAPSHOT</version>
+      	<version>0.2.4-SNAPSHOT</version>
         <configuration>
           <hyracksServerHome>${basedir}/target/textserver-${project.version}-binary-assembly</hyracksServerHome>
           <jvmOptions>${jvm.extraargs}</jvmOptions>
@@ -135,27 +135,27 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks.examples.text</groupId>
   		<artifactId>texthelper</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks.examples.text</groupId>
   		<artifactId>textclient</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>test</scope>
   	</dependency>
diff --git a/hyracks/hyracks-examples/tpch-example/pom.xml b/hyracks/hyracks-examples/tpch-example/pom.xml
index 7d676dc..5389ca3 100644
--- a/hyracks/hyracks-examples/tpch-example/pom.xml
+++ b/hyracks/hyracks-examples/tpch-example/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-examples</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
diff --git a/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml b/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
index 4e0d9f0..d6f1d17 100644
--- a/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
+++ b/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
@@ -6,20 +6,20 @@
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>tpch-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <dependencies>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-data-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   	</dependency>
   </dependencies>
   <build>
diff --git a/hyracks/hyracks-examples/tpch-example/tpchserver/pom.xml b/hyracks/hyracks-examples/tpch-example/tpchserver/pom.xml
index 94d897a..0110fc4 100644
--- a/hyracks/hyracks-examples/tpch-example/tpchserver/pom.xml
+++ b/hyracks/hyracks-examples/tpch-example/tpchserver/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks.examples.tpch</groupId>
   <artifactId>tpchserver</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>tpchserver</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks.examples</groupId>
     <artifactId>tpch-example</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -63,25 +63,25 @@
     <dependency>
         <groupId>edu.uci.ics.hyracks</groupId>
         <artifactId>hyracks-dataflow-std</artifactId>
-        <version>0.2.3-SNAPSHOT</version>
+        <version>0.2.4-SNAPSHOT</version>
         <scope>compile</scope>
     </dependency>
     <dependency>
     	<groupId>edu.uci.ics.hyracks</groupId>
     	<artifactId>hyracks-data-std</artifactId>
-    	<version>0.2.3-SNAPSHOT</version>
+    	<version>0.2.4-SNAPSHOT</version>
     </dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-hadoop-compat/pom.xml b/hyracks/hyracks-hadoop-compat/pom.xml
index 87aaaa7..09d3127 100644
--- a/hyracks/hyracks-hadoop-compat/pom.xml
+++ b/hyracks/hyracks-hadoop-compat/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-hadoop-compat</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-hadoop-compat</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -82,7 +82,7 @@
     <dependency>
     	<groupId>edu.uci.ics.hyracks</groupId>
     	<artifactId>hyracks-dataflow-hadoop</artifactId>
-    	<version>0.2.3-SNAPSHOT</version>
+    	<version>0.2.4-SNAPSHOT</version>
     	<type>jar</type>
     	<scope>compile</scope>
     </dependency>
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-0.20.2/pom.xml b/hyracks/hyracks-hdfs/hyracks-hdfs-0.20.2/pom.xml
index 9092655..c708b0d 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-0.20.2/pom.xml
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-0.20.2/pom.xml
@@ -1,14 +1,12 @@
 <?xml version="1.0"?>
-<project
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>hyracks-hdfs-0.20.2</artifactId>
 	<name>hyracks-hdfs-0.20.2</name>
 	<parent>
 		<artifactId>hyracks-hdfs</artifactId>
 		<groupId>edu.uci.ics.hyracks</groupId>
-		<version>0.2.3-SNAPSHOT</version>
+		<version>0.2.4-SNAPSHOT</version>
 	</parent>
 
 	<build>
@@ -100,7 +98,7 @@
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-api</artifactId>
-			<version>0.2.3-SNAPSHOT</version>
+			<version>0.2.4-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-0.23.1/pom.xml b/hyracks/hyracks-hdfs/hyracks-hdfs-0.23.1/pom.xml
index 8b7ecf0..9f96ac1 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-0.23.1/pom.xml
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-0.23.1/pom.xml
@@ -1,14 +1,12 @@
 <?xml version="1.0"?>
-<project
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>hyracks-hdfs-0.23.1</artifactId>
 	<name>hyracks-hdfs-0.23.1</name>
 	<parent>
 		<artifactId>hyracks-hdfs</artifactId>
 		<groupId>edu.uci.ics.hyracks</groupId>
-		<version>0.2.3-SNAPSHOT</version>
+		<version>0.2.4-SNAPSHOT</version>
 	</parent>
 	<build>
 		<plugins>
@@ -204,7 +202,7 @@
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-api</artifactId>
-			<version>0.2.3-SNAPSHOT</version>
+			<version>0.2.4-SNAPSHOT</version>
 			<type>jar</type>
 			<scope>compile</scope>
 		</dependency>
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/pom.xml b/hyracks/hyracks-hdfs/hyracks-hdfs-core/pom.xml
index a28c698a..2a4b0d1 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/pom.xml
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/pom.xml
@@ -1,14 +1,12 @@
 <?xml version="1.0"?>
-<project
-	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"
-	xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>hyracks-hdfs-core</artifactId>
 	<name>hyracks-hdfs-core</name>
 	<parent>
 		<artifactId>hyracks-hdfs</artifactId>
 		<groupId>edu.uci.ics.hyracks</groupId>
-		<version>0.2.3-SNAPSHOT</version>
+		<version>0.2.4-SNAPSHOT</version>
 	</parent>
 
 	<build>
@@ -67,7 +65,7 @@
 				<dependency>
 					<groupId>edu.uci.ics.hyracks</groupId>
 					<artifactId>hyracks-hdfs-0.20.2</artifactId>
-					<version>0.2.3-SNAPSHOT</version>
+					<version>${project.version}</version>
 					<type>jar</type>
 					<scope>compile</scope>
 				</dependency>
@@ -86,7 +84,7 @@
 				<dependency>
 					<groupId>edu.uci.ics.hyracks</groupId>
 					<artifactId>hyracks-hdfs-0.20.2</artifactId>
-					<version>0.2.3-SNAPSHOT</version>
+					<version>${project.version}</version>
 					<type>jar</type>
 					<scope>compile</scope>
 				</dependency>
@@ -105,7 +103,7 @@
 				<dependency>
 					<groupId>edu.uci.ics.hyracks</groupId>
 					<artifactId>hyracks-hdfs-0.23.1</artifactId>
-					<version>0.2.3-SNAPSHOT</version>
+					<version>${project.version}</version>
 					<type>jar</type>
 					<scope>compile</scope>
 				</dependency>
@@ -124,7 +122,7 @@
 				<dependency>
 					<groupId>edu.uci.ics.hyracks</groupId>
 					<artifactId>hyracks-hdfs-0.23.1</artifactId>
-					<version>0.2.3-SNAPSHOT</version>
+					<version>${project.version}</version>
 					<type>jar</type>
 					<scope>compile</scope>
 				</dependency>
@@ -143,7 +141,7 @@
 				<dependency>
 					<groupId>edu.uci.ics.hyracks</groupId>
 					<artifactId>hyracks-hdfs-0.23.1</artifactId>
-					<version>0.2.3-SNAPSHOT</version>
+					<version>${project.version}</version>
 					<type>jar</type>
 					<scope>compile</scope>
 				</dependency>
@@ -162,7 +160,7 @@
 				<dependency>
 					<groupId>edu.uci.ics.hyracks</groupId>
 					<artifactId>hyracks-hdfs-0.23.1</artifactId>
-					<version>0.2.3-SNAPSHOT</version>
+					<version>${project.version}</version>
 					<type>jar</type>
 					<scope>compile</scope>
 				</dependency>
@@ -180,31 +178,31 @@
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-api</artifactId>
-			<version>0.2.3-SNAPSHOT</version>
+			<version>0.2.4-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-dataflow-std</artifactId>
-			<version>0.2.3-SNAPSHOT</version>
+			<version>0.2.4-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-dataflow-common</artifactId>
-			<version>0.2.3-SNAPSHOT</version>
+			<version>0.2.4-SNAPSHOT</version>
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-control-cc</artifactId>
-			<version>0.2.3-SNAPSHOT</version>
+			<version>0.2.4-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-control-nc</artifactId>
-			<version>0.2.3-SNAPSHOT</version>
+			<version>0.2.4-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
diff --git a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/edu/uci/ics/hyracks/hdfs/scheduler/RackAwareNcCollectionBuilder.java b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/edu/uci/ics/hyracks/hdfs/scheduler/RackAwareNcCollectionBuilder.java
index 2b9e899..fa5e7ae 100644
--- a/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/edu/uci/ics/hyracks/hdfs/scheduler/RackAwareNcCollectionBuilder.java
+++ b/hyracks/hyracks-hdfs/hyracks-hdfs-core/src/main/java/edu/uci/ics/hyracks/hdfs/scheduler/RackAwareNcCollectionBuilder.java
@@ -38,6 +38,11 @@
                 String ipAddress = InetAddress.getByAddress(
                         ncNameToNcInfos.get(NCs[i]).getNetworkAddress().getIpAddress()).getHostAddress();
                 topology.lookupNetworkTerminal(ipAddress, path);
+                if (path.size() <= 0) {
+                    // if the hyracks nc is not in the defined cluster
+                    path.add(Integer.MIN_VALUE);
+                    LOGGER.info(NCs[i] + "'s IP address is not in the cluster toplogy file!");
+                }
                 List<String> ncs = pathToNCs.get(path);
                 if (ncs == null) {
                     ncs = new ArrayList<String>();
@@ -70,6 +75,10 @@
                     String ipAddress = InetAddress.getByAddress(
                             ncNameToNcInfos.get(NCs[i]).getNetworkAddress().getIpAddress()).getHostAddress();
                     topology.lookupNetworkTerminal(ipAddress, path);
+                    if (path.size() <= 0) {
+                        // if the hyracks nc is not in the defined cluster
+                        path.add(Integer.MIN_VALUE);
+                    }
                     IntWritable availableSlot = availableIpsToSlots.get(path);
                     if (availableSlot == null) {
                         availableSlot = new IntWritable(slotLimit - workloads[i]);
diff --git a/hyracks/hyracks-hdfs/pom.xml b/hyracks/hyracks-hdfs/pom.xml
index 5ed76e9..bea1244 100644
--- a/hyracks/hyracks-hdfs/pom.xml
+++ b/hyracks/hyracks-hdfs/pom.xml
@@ -8,7 +8,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
diff --git a/hyracks/hyracks-ipc/pom.xml b/hyracks/hyracks-ipc/pom.xml
index 6f5e09f..14121fd 100644
--- a/hyracks/hyracks-ipc/pom.xml
+++ b/hyracks/hyracks-ipc/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
diff --git a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/pom.xml b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/pom.xml
index a8fc29e..e8342a3 100644
--- a/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/pom.xml
+++ b/hyracks/hyracks-maven-plugins/hyracks-virtualcluster-maven-plugin/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-maven-plugins</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
diff --git a/hyracks/hyracks-maven-plugins/pom.xml b/hyracks/hyracks-maven-plugins/pom.xml
index d9223ba..ee97d58 100644
--- a/hyracks/hyracks-maven-plugins/pom.xml
+++ b/hyracks/hyracks-maven-plugins/pom.xml
@@ -7,7 +7,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <dependencies>
diff --git a/hyracks/hyracks-net/pom.xml b/hyracks/hyracks-net/pom.xml
index fb486df..de2a2a0 100644
--- a/hyracks/hyracks-net/pom.xml
+++ b/hyracks/hyracks-net/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
diff --git a/hyracks/hyracks-server/pom.xml b/hyracks/hyracks-server/pom.xml
index e0fc40a..85af7f2 100644
--- a/hyracks/hyracks-server/pom.xml
+++ b/hyracks/hyracks-server/pom.xml
@@ -5,7 +5,7 @@
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -74,14 +74,14 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-cc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-storage-am-btree/pom.xml b/hyracks/hyracks-storage-am-btree/pom.xml
index f251d51..4555ea4 100644
--- a/hyracks/hyracks-storage-am-btree/pom.xml
+++ b/hyracks/hyracks-storage-am-btree/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-am-btree</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-am-btree</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -29,28 +29,28 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
         <dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
diff --git a/hyracks/hyracks-storage-am-common/pom.xml b/hyracks/hyracks-storage-am-common/pom.xml
index dbc4f41d..48f91fa 100644
--- a/hyracks/hyracks-storage-am-common/pom.xml
+++ b/hyracks/hyracks-storage-am-common/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-am-common</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-am-common</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -29,28 +29,28 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-storage-am-invertedindex/pom.xml b/hyracks/hyracks-storage-am-invertedindex/pom.xml
index 5fe2d96..8fc8855 100644
--- a/hyracks/hyracks-storage-am-invertedindex/pom.xml
+++ b/hyracks/hyracks-storage-am-invertedindex/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-am-invertedindex</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-am-invertedindex</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -29,28 +29,28 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>    
diff --git a/hyracks/hyracks-storage-am-rtree/pom.xml b/hyracks/hyracks-storage-am-rtree/pom.xml
index 6c2d734..74d8927 100644
--- a/hyracks/hyracks-storage-am-rtree/pom.xml
+++ b/hyracks/hyracks-storage-am-rtree/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-am-rtree</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-am-rtree</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -29,21 +29,21 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-dataflow-std</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>  	
diff --git a/hyracks/hyracks-storage-common/pom.xml b/hyracks/hyracks-storage-common/pom.xml
index 3360097..568b0ba 100644
--- a/hyracks/hyracks-storage-common/pom.xml
+++ b/hyracks/hyracks-storage-common/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-common</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-common</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -29,7 +29,7 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-api</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-test-support/pom.xml b/hyracks/hyracks-test-support/pom.xml
index 89233c9..1ddd1df 100644
--- a/hyracks/hyracks-test-support/pom.xml
+++ b/hyracks/hyracks-test-support/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-test-support</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-test-support</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -29,33 +29,33 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-control-nc</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-rtree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-invertedindex</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/pom.xml
index d0bb883..880cba5 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-btree-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-btree-test/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-am-btree-test</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-am-btree-test</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -36,14 +36,14 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-btree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>test</scope>
   	</dependency>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-invertedindex-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-invertedindex-test/pom.xml
index 59c8c46..5eda528 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-invertedindex-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-invertedindex-test/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-am-invertedindex-test</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-am-invertedindex-test</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -30,14 +30,14 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-invertedindex</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>test</scope>
   	</dependency>
diff --git a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/pom.xml
index 7b1a3f3..5031dba 100644
--- a/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-am-rtree-test/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-am-rtree-test</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-am-rtree-test</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -36,14 +36,14 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-am-rtree</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>test</scope>
   	</dependency>
diff --git a/hyracks/hyracks-tests/hyracks-storage-common-test/pom.xml b/hyracks/hyracks-tests/hyracks-storage-common-test/pom.xml
index 8e429f9..72d76e0 100644
--- a/hyracks/hyracks-tests/hyracks-storage-common-test/pom.xml
+++ b/hyracks/hyracks-tests/hyracks-storage-common-test/pom.xml
@@ -2,13 +2,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-storage-common-test</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <name>hyracks-storage-common-test</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks-tests</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <build>
@@ -36,13 +36,13 @@
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-storage-common</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<scope>compile</scope>
   	</dependency>
   	<dependency>
   		<groupId>edu.uci.ics.hyracks</groupId>
   		<artifactId>hyracks-test-support</artifactId>
-  		<version>0.2.3-SNAPSHOT</version>
+  		<version>0.2.4-SNAPSHOT</version>
   		<type>jar</type>
   		<scope>compile</scope>
   	</dependency>
diff --git a/hyracks/hyracks-tests/pom.xml b/hyracks/hyracks-tests/pom.xml
index 054ec68..5a3d594 100644
--- a/hyracks/hyracks-tests/pom.xml
+++ b/hyracks/hyracks-tests/pom.xml
@@ -2,14 +2,14 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks-tests</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>hyracks-tests</name>
 
   <parent>
     <groupId>edu.uci.ics.hyracks</groupId>
     <artifactId>hyracks</artifactId>
-    <version>0.2.3-SNAPSHOT</version>
+    <version>0.2.4-SNAPSHOT</version>
   </parent>
 
   <modules>
diff --git a/hyracks/pom.xml b/hyracks/pom.xml
index 9c324df..6c84eb8 100644
--- a/hyracks/pom.xml
+++ b/hyracks/pom.xml
@@ -3,12 +3,12 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks</groupId>
   <artifactId>hyracks</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
+  <version>0.2.4-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>hyracks</name>
 
   <properties>
-    <jvm.extraargs/>
+    <jvm.extraargs />
   </properties>
 
   <build>