diff --git a/fullstack/hyracks/hyracks-examples/tpch-example/pom.xml b/fullstack/hyracks/hyracks-examples/tpch-example/pom.xml
index b237c9b..9951792 100644
--- a/fullstack/hyracks/hyracks-examples/tpch-example/pom.xml
+++ b/fullstack/hyracks/hyracks-examples/tpch-example/pom.xml
@@ -2,7 +2,6 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>edu.uci.ics.hyracks.examples</groupId>
   <artifactId>tpch-example</artifactId>
-  <version>0.2.3-SNAPSHOT</version>
   <packaging>pom</packaging>
   <name>tpch-example</name>
 
diff --git a/fullstack/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml b/fullstack/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
index 3170306..4e0d9f0 100644
--- a/fullstack/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
+++ b/fullstack/hyracks/hyracks-examples/tpch-example/tpchclient/pom.xml
@@ -29,13 +29,15 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.6</source>
-          <target>1.6</target>
+          <source>1.7</source>
+          <target>1.7</target>
+          <fork>true</fork>
         </configuration>
       </plugin>
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>appassembler-maven-plugin</artifactId>
+        <version>1.3</version>
         <executions>
           <execution>
             <configuration>
diff --git a/fullstack/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/edu/uci/ics/hyracks/examples/tpch/client/Main.java b/fullstack/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/edu/uci/ics/hyracks/examples/tpch/client/Main.java
index 01ccdef..0ad0ff0 100644
--- a/fullstack/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/edu/uci/ics/hyracks/examples/tpch/client/Main.java
+++ b/fullstack/hyracks/hyracks-examples/tpch-example/tpchclient/src/main/java/edu/uci/ics/hyracks/examples/tpch/client/Main.java
@@ -199,7 +199,7 @@
 
         if ("nestedloop".equalsIgnoreCase(algo)) {
             join = new NestedLoopJoinOperatorDescriptor(spec, new JoinComparatorFactory(
-                    PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY), 0, 1), custOrderJoinDesc, memSize);
+                    PointableBinaryComparatorFactory.of(UTF8StringPointable.FACTORY), 0, 1), custOrderJoinDesc, memSize, false, null);
 
         } else if ("gracehash".equalsIgnoreCase(algo)) {
             join = new GraceHashJoinOperatorDescriptor(