diff --git a/hyracks/hyracks-hdfs/pom.xml b/hyracks/hyracks-hdfs/pom.xml
index b80dbd5..9e26a67 100644
--- a/hyracks/hyracks-hdfs/pom.xml
+++ b/hyracks/hyracks-hdfs/pom.xml
@@ -57,6 +57,66 @@
 		</plugins>
 	</build>
 
+	<profiles>
+		<profile>
+			<activation>
+				<activeByDefault>true</activeByDefault>
+			</activation>
+			<dependencies>
+				<dependency>
+					<groupId>org.apache.hadoop</groupId>
+					<artifactId>hadoop-core</artifactId>
+					<version>0.20.2</version>
+					<type>jar</type>
+					<scope>compile</scope>
+				</dependency>
+				<dependency>
+					<groupId>org.apache.hadoop</groupId>
+					<artifactId>hadoop-test</artifactId>
+					<version>0.20.2</version>
+					<type>jar</type>
+					<scope>compile</scope>
+				</dependency>
+			</dependencies>
+		</profile>
+		<profile>
+			<activation>
+				<activeByDefault>false</activeByDefault>
+			</activation>
+			<id>hadoop-0.22.0</id>
+			<dependencies>
+				<dependency>
+					<groupId>org.apache.hadoop</groupId>
+					<artifactId>hadoop-common</artifactId>
+					<version>0.22.0</version>
+					<type>jar</type>
+					<scope>compile</scope>
+				</dependency>
+				<dependency>
+					<groupId>org.apache.hadoop</groupId>
+					<artifactId>hadoop-mapred</artifactId>
+					<version>0.22.0</version>
+					<type>jar</type>
+					<scope>compile</scope>
+				</dependency>
+				<dependency>
+					<groupId>org.apache.hadoop</groupId>
+					<artifactId>hadoop-hdfs</artifactId>
+					<version>0.22.0</version>
+					<type>jar</type>
+					<scope>compile</scope>
+				</dependency>
+				<dependency>
+					<groupId>org.apache.hadoop</groupId>
+					<artifactId>hadoop-hdfs-test</artifactId>
+					<version>0.22.0</version>
+					<type>jar</type>
+					<scope>compile</scope>
+				</dependency>
+			</dependencies>
+		</profile>
+	</profiles>
+
 	<dependencies>
 		<dependency>
 			<groupId>junit</groupId>
@@ -83,13 +143,6 @@
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.hadoop</groupId>
-			<artifactId>hadoop-core</artifactId>
-			<version>0.20.2</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>
@@ -101,13 +154,7 @@
 			<version>0.2.3-SNAPSHOT</version>
 			<scope>test</scope>
 		</dependency>
-		<dependency>
-			<groupId>org.apache.hadoop</groupId>
-			<artifactId>hadoop-test</artifactId>
-			<version>0.20.2</version>
-			<type>jar</type>
-			<scope>test</scope>
-		</dependency>
+
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-io</artifactId>
diff --git a/hyracks/hyracks-hdfs/src/main/java/edu/uci/ics/hyracks/hdfs2/dataflow/HDFSReadOperatorDescriptor.java b/hyracks/hyracks-hdfs/src/main/java/edu/uci/ics/hyracks/hdfs2/dataflow/HDFSReadOperatorDescriptor.java
index b000c75..19f795d 100644
--- a/hyracks/hyracks-hdfs/src/main/java/edu/uci/ics/hyracks/hdfs2/dataflow/HDFSReadOperatorDescriptor.java
+++ b/hyracks/hyracks-hdfs/src/main/java/edu/uci/ics/hyracks/hdfs2/dataflow/HDFSReadOperatorDescriptor.java
@@ -22,8 +22,9 @@
 import org.apache.hadoop.mapreduce.InputFormat;
 import org.apache.hadoop.mapreduce.InputSplit;
 import org.apache.hadoop.mapreduce.Job;
+import org.apache.hadoop.mapreduce.Mapper;
+import org.apache.hadoop.mapreduce.Mapper.Context;
 import org.apache.hadoop.mapreduce.RecordReader;
-import org.apache.hadoop.mapreduce.TaskAttemptContext;
 import org.apache.hadoop.mapreduce.TaskAttemptID;
 import org.apache.hadoop.mapreduce.lib.input.FileSplit;
 import org.apache.hadoop.util.ReflectionUtils;
@@ -108,11 +109,11 @@
                 ClassLoader ctxCL = Thread.currentThread().getContextClassLoader();
                 try {
                     Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
-                    Job conf = confFactory.getConf();
+                    Job job = confFactory.getConf();
                     IKeyValueParser parser = tupleParserFactory.createKeyValueParser(ctx);
                     writer.open();
-                    InputFormat inputFormat = ReflectionUtils.newInstance(conf.getInputFormatClass(),
-                            conf.getConfiguration());
+                    InputFormat inputFormat = ReflectionUtils.newInstance(job.getInputFormatClass(),
+                            job.getConfiguration());
                     int size = inputSplits.size();
                     for (int i = 0; i < size; i++) {
                         /**
@@ -134,8 +135,8 @@
                             /**
                              * read the split
                              */
-                            TaskAttemptContext context = new TaskAttemptContext(conf.getConfiguration(),
-                                    new TaskAttemptID());
+                            Context context = new Mapper().new Context(job.getConfiguration(), new TaskAttemptID(),
+                                    null, null, null, null, inputSplits.get(i));
                             RecordReader reader = inputFormat.createRecordReader(inputSplits.get(i), context);
                             reader.initialize(inputSplits.get(i), context);
                             while (reader.nextKeyValue() == true) {
diff --git a/hyracks/hyracks-hdfs/src/main/java/edu/uci/ics/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java b/hyracks/hyracks-hdfs/src/main/java/edu/uci/ics/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
index 87c1c47..390a7b5 100644
--- a/hyracks/hyracks-hdfs/src/main/java/edu/uci/ics/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
+++ b/hyracks/hyracks-hdfs/src/main/java/edu/uci/ics/hyracks/hdfs2/dataflow/HDFSWriteOperatorDescriptor.java
@@ -22,8 +22,6 @@
 import org.apache.hadoop.fs.FileSystem;
 import org.apache.hadoop.fs.Path;
 import org.apache.hadoop.mapreduce.Job;
-import org.apache.hadoop.mapreduce.JobContext;
-import org.apache.hadoop.mapreduce.JobID;
 import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;
 
 import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
@@ -87,8 +85,7 @@
                 ctxCL = Thread.currentThread().getContextClassLoader();
                 Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());
                 Job conf = confFactory.getConf();
-                String outputPath = FileOutputFormat
-                        .getOutputPath(new JobContext(conf.getConfiguration(), new JobID())).toString();
+                String outputPath = FileOutputFormat.getOutputPath(conf).toString();
                 String fileName = outputPath + File.separator + "part-" + partition;
 
                 tupleWriter = tupleWriterFactory.getTupleWriter();
diff --git a/hyracks/hyracks-net/src/main/java/edu/uci/ics/hyracks/net/protocols/muxdemux/ChannelSet.java b/hyracks/hyracks-net/src/main/java/edu/uci/ics/hyracks/net/protocols/muxdemux/ChannelSet.java
index eb5f716..8fa99be 100644
--- a/hyracks/hyracks-net/src/main/java/edu/uci/ics/hyracks/net/protocols/muxdemux/ChannelSet.java
+++ b/hyracks/hyracks-net/src/main/java/edu/uci/ics/hyracks/net/protocols/muxdemux/ChannelSet.java
@@ -58,7 +58,7 @@
 
     ChannelControlBlock allocateChannel() throws NetException {
         synchronized (mConn) {
-       	    //cleanupClosedChannels();
+       	    cleanupClosedChannels();
             int idx = allocationBitmap.nextClearBit(0);
             if (idx < 0 || idx >= ccbArray.length) {
                 cleanupClosedChannels();
diff --git a/pregelix/pregelix-api/pom.xml b/pregelix/pregelix-api/pom.xml
index 2caa93b..cdb5adf 100644
--- a/pregelix/pregelix-api/pom.xml
+++ b/pregelix/pregelix-api/pom.xml
@@ -77,11 +77,11 @@
 			<scope>test</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.hadoop</groupId>
-			<artifactId>hadoop-core</artifactId>
-			<version>0.20.2</version>
-			<type>jar</type>
-			<scope>compile</scope>
-		</dependency>
+                        <groupId>edu.uci.ics.hyracks</groupId>
+                        <artifactId>hyracks-hdfs</artifactId>
+                        <version>0.2.3-SNAPSHOT</version>
+                        <type>jar</type>
+                        <scope>compile</scope>
+                </dependency>
 	</dependencies>
 </project>
diff --git a/pregelix/pregelix-core/pom.xml b/pregelix/pregelix-core/pom.xml
index 34faa82..c630145 100644
--- a/pregelix/pregelix-core/pom.xml
+++ b/pregelix/pregelix-core/pom.xml
@@ -246,12 +246,10 @@
 			<version>0.2.3-SNAPSHOT</version>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.hadoop</groupId>
-			<artifactId>hadoop-core</artifactId>
-			<version>0.20.2</version>
-			<type>jar</type>
-			<scope>compile</scope>
-		</dependency>
+                        <groupId>edu.uci.ics.hyracks</groupId>
+                        <artifactId>hyracks-hdfs</artifactId>
+                        <version>0.2.3-SNAPSHOT</version>
+                </dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-storage-am-common</artifactId>
@@ -281,13 +279,6 @@
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.hadoop</groupId>
-			<artifactId>hadoop-test</artifactId>
-			<version>0.20.2</version>
-			<type>jar</type>
-			<scope>compile</scope>
-		</dependency>
-		<dependency>
 			<groupId>com.kenai.nbpwr</groupId>
 			<artifactId>org-apache-commons-io</artifactId>
 			<version>1.3.1-201002241208</version>
diff --git a/pregelix/pregelix-dataflow-std/pom.xml b/pregelix/pregelix-dataflow-std/pom.xml
index 6c039bf..fede9e0 100644
--- a/pregelix/pregelix-dataflow-std/pom.xml
+++ b/pregelix/pregelix-dataflow-std/pom.xml
@@ -101,14 +101,16 @@
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-data-std</artifactId>
 			<version>0.2.3-SNAPSHOT</version>
+			<type>jar</type>
+                        <scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.hadoop</groupId>
-			<artifactId>hadoop-core</artifactId>
-			<version>0.20.2</version>
-			<type>jar</type>
-			<scope>compile</scope>
-		</dependency>
+                        <groupId>edu.uci.ics.hyracks</groupId>
+                        <artifactId>hyracks-hdfs</artifactId>
+                        <version>0.2.3-SNAPSHOT</version>
+                        <type>jar</type>
+                        <scope>compile</scope>
+                </dependency>
 		<dependency>
 			<groupId>edu.uci.ics.hyracks</groupId>
 			<artifactId>hyracks-storage-am-common</artifactId>
diff --git a/pregelix/pregelix-dataflow/pom.xml b/pregelix/pregelix-dataflow/pom.xml
index 31b6adc..8948fc0 100644
--- a/pregelix/pregelix-dataflow/pom.xml
+++ b/pregelix/pregelix-dataflow/pom.xml
@@ -103,13 +103,6 @@
 			<version>0.2.3-SNAPSHOT</version>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.hadoop</groupId>
-			<artifactId>hadoop-core</artifactId>
-			<version>0.20.2</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>
diff --git a/pregelix/pregelix-runtime/pom.xml b/pregelix/pregelix-runtime/pom.xml
index 1c414ff..82be6b9 100644
--- a/pregelix/pregelix-runtime/pom.xml
+++ b/pregelix/pregelix-runtime/pom.xml
@@ -117,13 +117,6 @@
 			<version>0.2.3-SNAPSHOT</version>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.hadoop</groupId>
-			<artifactId>hadoop-core</artifactId>
-			<version>0.20.2</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>