diff --git a/algebricks/algebricks-common/pom.xml b/algebricks/algebricks-common/pom.xml
index 521ef12..ad2e8f7 100644
--- a/algebricks/algebricks-common/pom.xml
+++ b/algebricks/algebricks-common/pom.xml
@@ -16,8 +16,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
           <fork>true</fork>
         </configuration>
       </plugin>
diff --git a/algebricks/algebricks-compiler/pom.xml b/algebricks/algebricks-compiler/pom.xml
index bd35835..9d2a115 100644
--- a/algebricks/algebricks-compiler/pom.xml
+++ b/algebricks/algebricks-compiler/pom.xml
@@ -16,8 +16,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
           <fork>true</fork>
         </configuration>
       </plugin>
diff --git a/algebricks/algebricks-core/pom.xml b/algebricks/algebricks-core/pom.xml
index def5b35..1166842 100644
--- a/algebricks/algebricks-core/pom.xml
+++ b/algebricks/algebricks-core/pom.xml
@@ -16,8 +16,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
           <fork>true</fork>
         </configuration>
       </plugin>
diff --git a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/config/AlgebricksConfig.java b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/config/AlgebricksConfig.java
index 11ec043..061dbe4 100644
--- a/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/config/AlgebricksConfig.java
+++ b/algebricks/algebricks-core/src/main/java/edu/uci/ics/hyracks/algebricks/core/config/AlgebricksConfig.java
@@ -20,20 +20,4 @@
     public static final boolean DEBUG = true;
     public static final String ALGEBRICKS_LOGGER_NAME = "edu.uci.ics.hyracks.algebricks";
     public static final Logger ALGEBRICKS_LOGGER = Logger.getLogger(ALGEBRICKS_LOGGER_NAME);
-    public static final String HYRACKS_APP_NAME = "algebricks";
-
-    // public static final Level ALGEBRICKS_LOG_LEVEL = Level.FINEST;
-    //
-    // static {
-    // Handler h;
-    // try {
-    // h = new ConsoleHandler();
-    // h.setFormatter(new SysoutFormatter());
-    // } catch (Exception e) {
-    // h = new ConsoleHandler();
-    // }
-    // h.setLevel(ALGEBRICKS_LOG_LEVEL);
-    // ALGEBRICKS_LOGGER.addHandler(h);
-    // ALGEBRICKS_LOGGER.setLevel(ALGEBRICKS_LOG_LEVEL);
-    // }
 }
diff --git a/algebricks/algebricks-data/pom.xml b/algebricks/algebricks-data/pom.xml
index 9536416..04fc66f 100644
--- a/algebricks/algebricks-data/pom.xml
+++ b/algebricks/algebricks-data/pom.xml
@@ -16,8 +16,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
           <fork>true</fork>
         </configuration>
       </plugin>
diff --git a/algebricks/algebricks-examples/piglet-example/pom.xml b/algebricks/algebricks-examples/piglet-example/pom.xml
index ca7467b..0cf1bab 100644
--- a/algebricks/algebricks-examples/piglet-example/pom.xml
+++ b/algebricks/algebricks-examples/piglet-example/pom.xml
@@ -16,8 +16,8 @@
 				<artifactId>maven-compiler-plugin</artifactId>
 				<version>2.0.2</version>
 				<configuration>
-					<source>1.7</source>
-					<target>1.7</target>
+					<source>1.6</source>
+					<target>1.6</target>
 					<fork>true</fork>
 				</configuration>
 			</plugin>
diff --git a/algebricks/algebricks-examples/piglet-example/src/main/java/edu/uci/ics/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java b/algebricks/algebricks-examples/piglet-example/src/main/java/edu/uci/ics/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java
index 0efe0ae..15b290e 100644
--- a/algebricks/algebricks-examples/piglet-example/src/main/java/edu/uci/ics/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java
+++ b/algebricks/algebricks-examples/piglet-example/src/main/java/edu/uci/ics/hyracks/algebricks/examples/piglet/metadata/PigletMetadataProvider.java
@@ -62,10 +62,13 @@
 
     @SuppressWarnings("unchecked")
     @Override
-    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getScannerRuntime(IDataSource<String> dataSource,
-            List<LogicalVariable> scanVariables, List<LogicalVariable> projectVariables, boolean projectPushed,
-            IOperatorSchema opSchema, IVariableTypeEnvironment typeEnv, JobGenContext context, JobSpecification jobSpec)
-            throws AlgebricksException {
+	public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getScannerRuntime(
+			IDataSource<String> dataSource,
+			List<LogicalVariable> scanVariables,
+			List<LogicalVariable> projectVariables, boolean projectPushed,
+			IOperatorSchema opSchema, IVariableTypeEnvironment typeEnv,
+			JobGenContext context, JobSpecification jobSpec)
+			throws AlgebricksException {
         PigletFileDataSource ds = (PigletFileDataSource) dataSource;
 
         FileSplit[] fileSplits = ds.getFileSplits();
@@ -136,15 +139,15 @@
     }
 
     @Override
-    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getResultHandleRuntime(IDataSink sink,
-            int[] printColumns, IPrinterFactory[] printerFactories, RecordDescriptor inputDesc, boolean ordered,
-            JobSpecification spec) throws AlgebricksException {
+    public IDataSourceIndex<String, String> findDataSourceIndex(String indexId, String dataSourceId)
+            throws AlgebricksException {
         return null;
     }
 
     @Override
-    public IDataSourceIndex<String, String> findDataSourceIndex(String indexId, String dataSourceId)
-            throws AlgebricksException {
+    public Pair<IOperatorDescriptor, AlgebricksPartitionConstraint> getResultHandleRuntime(IDataSink sink,
+            int[] printColumns, IPrinterFactory[] printerFactories, RecordDescriptor inputDesc, boolean ordered,
+            JobSpecification spec) throws AlgebricksException {
         return null;
     }
 
@@ -191,7 +194,7 @@
         // TODO Auto-generated method stub
         return null;
     }
-
+    
     @Override
     public IFunctionInfo lookupFunction(FunctionIdentifier fid) {
         return FN_MAP.get(fid);
diff --git a/algebricks/algebricks-rewriter/pom.xml b/algebricks/algebricks-rewriter/pom.xml
index 7968773..9ba1603 100644
--- a/algebricks/algebricks-rewriter/pom.xml
+++ b/algebricks/algebricks-rewriter/pom.xml
@@ -16,8 +16,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
           <fork>true</fork>
         </configuration>
       </plugin>
diff --git a/algebricks/algebricks-runtime/pom.xml b/algebricks/algebricks-runtime/pom.xml
index e438283..458b5ee 100644
--- a/algebricks/algebricks-runtime/pom.xml
+++ b/algebricks/algebricks-runtime/pom.xml
@@ -16,8 +16,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
           <fork>true</fork>
         </configuration>
       </plugin>
diff --git a/algebricks/algebricks-tests/pom.xml b/algebricks/algebricks-tests/pom.xml
index c114881..a62398c 100644
--- a/algebricks/algebricks-tests/pom.xml
+++ b/algebricks/algebricks-tests/pom.xml
@@ -16,8 +16,8 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>2.0.2</version>
         <configuration>
-          <source>1.7</source>
-          <target>1.7</target>
+          <source>1.6</source>
+          <target>1.6</target>
           <fork>true</fork>
 	  <encoding>UTF-8</encoding>
 	</configuration>
diff --git a/algebricks/algebricks-tests/src/test/java/edu/uci/ics/hyracks/algebricks/tests/util/AlgebricksHyracksIntegrationUtil.java b/algebricks/algebricks-tests/src/test/java/edu/uci/ics/hyracks/algebricks/tests/util/AlgebricksHyracksIntegrationUtil.java
index dad7cd0..2855eb2 100644
--- a/algebricks/algebricks-tests/src/test/java/edu/uci/ics/hyracks/algebricks/tests/util/AlgebricksHyracksIntegrationUtil.java
+++ b/algebricks/algebricks-tests/src/test/java/edu/uci/ics/hyracks/algebricks/tests/util/AlgebricksHyracksIntegrationUtil.java
@@ -71,7 +71,6 @@
         nc2.start();
 
         hcc = new HyracksConnection(ccConfig.clientNetIpAddress, ccConfig.clientNetPort);
-        hcc.createApplication(AlgebricksConfig.HYRACKS_APP_NAME, null);
     }
 
     public static void deinit() throws Exception {
@@ -82,7 +81,7 @@
 
     public static void runJob(JobSpecification spec) throws Exception {
         AlgebricksConfig.ALGEBRICKS_LOGGER.info(spec.toJSON().toString());
-        JobId jobId = hcc.startJob(AlgebricksConfig.HYRACKS_APP_NAME, spec, EnumSet.of(JobFlag.PROFILE_RUNTIME));
+        JobId jobId = hcc.startJob(spec, EnumSet.of(JobFlag.PROFILE_RUNTIME));
         AlgebricksConfig.ALGEBRICKS_LOGGER.info(jobId.toString());
         hcc.waitForCompletion(jobId);
     }