diff --git a/pom.xml b/pom.xml
index 03f22e5..d7621ac 100644
--- a/pom.xml
+++ b/pom.xml
@@ -102,13 +102,6 @@
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.derby</groupId>
-			<artifactId>derby</artifactId>
-			<version>10.6.1.0</version>
-			<type>jar</type>
-			<scope>compile</scope>
-		</dependency>
-		<dependency>
 			<groupId>commons-collections</groupId>
 			<artifactId>commons-collections</artifactId>
 			<version>3.2.1</version>
@@ -230,13 +223,6 @@
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>org.apache.derby</groupId>
-			<artifactId>derby</artifactId>
-			<version>10.4.2.0</version>
-			<type>jar</type>
-			<scope>compile</scope>
-		</dependency>
-		<dependency>
 			<groupId>commons-cli</groupId>
 			<artifactId>commons-cli</artifactId>
 			<version>1.2</version>
@@ -273,13 +259,6 @@
 			<scope>compile</scope>
 		</dependency>
 		<dependency>
-			<groupId>jline</groupId>
-			<artifactId>jline</artifactId>
-			<version>0.9.94</version>
-			<type>jar</type>
-			<scope>compile</scope>
-		</dependency>
-		<dependency>
 			<groupId>org.antlr</groupId>
 			<artifactId>stringtemplate</artifactId>
 			<version>3.2</version>
@@ -336,6 +315,7 @@
 			<plugin>
 				<groupId>org.codehaus.mojo</groupId>
 				<artifactId>appassembler-maven-plugin</artifactId>
+                <version>1.3</version>
 				<executions>
 					<execution>
 						<configuration>
@@ -508,6 +488,7 @@
 			</plugin>
 			<plugin>
 				<artifactId>maven-clean-plugin</artifactId>
+                <version>2.4.1</version>
 				<configuration>
 					<filesets>
 						<fileset>
diff --git a/src/main/java/edu/uci/ics/hivesterix/runtime/exec/HyracksExecutionEngine.java b/src/main/java/edu/uci/ics/hivesterix/runtime/exec/HyracksExecutionEngine.java
index 6c1ac72..f6aef75 100644
--- a/src/main/java/edu/uci/ics/hivesterix/runtime/exec/HyracksExecutionEngine.java
+++ b/src/main/java/edu/uci/ics/hivesterix/runtime/exec/HyracksExecutionEngine.java
@@ -511,14 +511,13 @@
     private void executeHyraxJob(JobSpecification job) throws Exception {
         String ipAddress = conf.get("hive.hyracks.host");
         int port = Integer.parseInt(conf.get("hive.hyracks.port"));
-        String applicationName = conf.get("hive.hyracks.app");
         //System.out.println("connect to " + ipAddress + " " + port);
 
         IHyracksClientConnection hcc = new HyracksConnection(ipAddress, port);
 
         //System.out.println("get connected");
         long start = System.currentTimeMillis();
-        JobId jobId = hcc.startJob(applicationName, job);
+        JobId jobId = hcc.startJob(job);
         hcc.waitForCompletion(jobId);
 
         //System.out.println("job finished: " + jobId.toString());
diff --git a/src/test/java/edu/uci/ics/hivesterix/perf/base/AbstractPerfTestSuiteClass.java b/src/test/java/edu/uci/ics/hivesterix/perf/base/AbstractPerfTestSuiteClass.java
index 05474ca..d90756e 100644
--- a/src/test/java/edu/uci/ics/hivesterix/perf/base/AbstractPerfTestSuiteClass.java
+++ b/src/test/java/edu/uci/ics/hivesterix/perf/base/AbstractPerfTestSuiteClass.java
@@ -87,16 +87,14 @@
 		ConfUtil.setHiveConf(hconf);
 	}
 
-	private void setupHyracks() throws Exception {
-		// read hive conf
-		HiveConf hconf = new HiveConf(SessionState.class);
-		hconf.addResource(new Path(PATH_TO_HIVE_CONF));
-		SessionState.start(hconf);
-		String ipAddress = hconf.get("hive.hyracks.host");
-		int clientPort = Integer.parseInt(hconf.get("hive.hyracks.port"));
-		int clusterPort = clientPort;
-		String applicationName = hconf.get("hive.hyracks.app");
-
+    private void setupHyracks() throws Exception {
+        // read hive conf
+        HiveConf hconf = new HiveConf(SessionState.class);
+        hconf.addResource(new Path(PATH_TO_HIVE_CONF));
+        SessionState.start(hconf);
+        String ipAddress = hconf.get("hive.hyracks.host");
+        int clientPort = Integer.parseInt(hconf.get("hive.hyracks.port"));
+        int clusterPort = clientPort;
 		// start hyracks cc
 		CCConfig ccConfig = new CCConfig();
 		ccConfig.clientNetIpAddress = ipAddress;
@@ -121,12 +119,10 @@
 			ncs.put(ncConfig.nodeId, nc);
 		}
 
-		IHyracksClientConnection hcc = new HyracksConnection(
-				ccConfig.clientNetIpAddress, clientPort);
-		hcc.createApplication(applicationName, null);
-	}
+        IHyracksClientConnection hcc = new HyracksConnection(ccConfig.clientNetIpAddress, clientPort);
+    }
 
-	protected void makeDir(String path) throws IOException {
+    protected void makeDir(String path) throws IOException {
 		dfs.mkdirs(new Path(path));
 	}
 
diff --git a/src/test/java/edu/uci/ics/hivesterix/test/base/AbstractTestSuiteClass.java b/src/test/java/edu/uci/ics/hivesterix/test/base/AbstractTestSuiteClass.java
index e9a5736..c03e0a3 100644
--- a/src/test/java/edu/uci/ics/hivesterix/test/base/AbstractTestSuiteClass.java
+++ b/src/test/java/edu/uci/ics/hivesterix/test/base/AbstractTestSuiteClass.java
@@ -89,15 +89,14 @@
 		ConfUtil.setHiveConf(hconf);
 	}
 
-	private void setupHyracks() throws Exception {
-		// read hive conf
-		HiveConf hconf = new HiveConf(SessionState.class);
-		hconf.addResource(new Path(PATH_TO_HIVE_CONF));
-		SessionState.start(hconf);
-		String ipAddress = hconf.get("hive.hyracks.host");
-		int clientPort = Integer.parseInt(hconf.get("hive.hyracks.port"));
-		int netPort = clientPort + 1;
-		String applicationName = hconf.get("hive.hyracks.app");
+    private void setupHyracks() throws Exception {
+        // read hive conf
+        HiveConf hconf = new HiveConf(SessionState.class);
+        hconf.addResource(new Path(PATH_TO_HIVE_CONF));
+        SessionState.start(hconf);
+        String ipAddress = hconf.get("hive.hyracks.host");
+        int clientPort = Integer.parseInt(hconf.get("hive.hyracks.port"));
+        int netPort = clientPort + 1;
 
 		// start hyracks cc
 		CCConfig ccConfig = new CCConfig();
@@ -124,10 +123,8 @@
 			ncs.put(ncConfig.nodeId, nc);
 		}
 
-		IHyracksClientConnection hcc = new HyracksConnection(
-				ccConfig.clientNetIpAddress, clientPort);
-		hcc.createApplication(applicationName, null);
-	}
+        IHyracksClientConnection hcc = new HyracksConnection(ccConfig.clientNetIpAddress, clientPort);
+    }
 
 	protected void makeDir(String path) throws IOException {
 		dfs.mkdirs(new Path(path));