Repository: airavata
Updated Branches:
  refs/heads/master a5cb91f0f -> 8d16d0ec5


http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/gfac/gfac-core/src/main/java/org/apache/airavata/gfac/core/RequestData.java
----------------------------------------------------------------------
diff --git 
a/modules/gfac/gfac-core/src/main/java/org/apache/airavata/gfac/core/RequestData.java
 
b/modules/gfac/gfac-core/src/main/java/org/apache/airavata/gfac/core/RequestData.java
index 0bf56d2..73538b0 100644
--- 
a/modules/gfac/gfac-core/src/main/java/org/apache/airavata/gfac/core/RequestData.java
+++ 
b/modules/gfac/gfac-core/src/main/java/org/apache/airavata/gfac/core/RequestData.java
@@ -29,7 +29,6 @@ package org.apache.airavata.gfac.core;
 
 import org.apache.airavata.common.exception.ApplicationSettingsException;
 import org.apache.airavata.common.utils.ServerSettings;
-import org.apache.airavata.gfac.core.Constants;
 
 /**
  * Encapsulates GFac specific data that are coming in the request.

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/impl/OutputUtils.java
----------------------------------------------------------------------
diff --git 
a/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/impl/OutputUtils.java
 
b/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/impl/OutputUtils.java
index 81bcf66..904839c 100644
--- 
a/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/impl/OutputUtils.java
+++ 
b/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/impl/OutputUtils.java
@@ -21,7 +21,6 @@
 package org.apache.airavata.gfac.impl;
 
 import org.apache.airavata.common.utils.StringUtil;
-import org.apache.airavata.gfac.core.handler.GFacHandlerException;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.model.appcatalog.appinterface.OutputDataObjectType;
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/monitor/email/EmailMonitorFactory.java
----------------------------------------------------------------------
diff --git 
a/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/monitor/email/EmailMonitorFactory.java
 
b/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/monitor/email/EmailMonitorFactory.java
index 3a75331..870cfa4 100644
--- 
a/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/monitor/email/EmailMonitorFactory.java
+++ 
b/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/monitor/email/EmailMonitorFactory.java
@@ -25,8 +25,6 @@ import 
org.apache.airavata.model.appcatalog.computeresource.ResourceJobManagerTy
 
 import java.util.Calendar;
 import java.util.Date;
-import java.util.HashMap;
-import java.util.Map;
 
 public class EmailMonitorFactory {
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/ssh/provider/impl/SSHProvider.java
----------------------------------------------------------------------
diff --git 
a/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/ssh/provider/impl/SSHProvider.java
 
b/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/ssh/provider/impl/SSHProvider.java
index d00c698..38de3ba 100644
--- 
a/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/ssh/provider/impl/SSHProvider.java
+++ 
b/modules/gfac/gfac-impl/src/main/java/org/apache/airavata/gfac/ssh/provider/impl/SSHProvider.java
@@ -58,7 +58,6 @@ import 
org.apache.airavata.model.appcatalog.computeresource.ResourceJobManagerTy
 import org.apache.airavata.model.appcatalog.computeresource.SSHJobSubmission;
 import org.apache.airavata.model.workspace.experiment.CorrectiveAction;
 import org.apache.airavata.model.workspace.experiment.ErrorCategory;
-import org.apache.airavata.model.workspace.experiment.ExperimentState;
 import org.apache.airavata.model.workspace.experiment.JobDetails;
 import org.apache.airavata.model.workspace.experiment.JobState;
 import org.apache.xmlbeans.XmlException;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/gfac/gfac-service/pom.xml
----------------------------------------------------------------------
diff --git a/modules/gfac/gfac-service/pom.xml 
b/modules/gfac/gfac-service/pom.xml
index f1d4d6c..47595b8 100644
--- a/modules/gfac/gfac-service/pom.xml
+++ b/modules/gfac/gfac-service/pom.xml
@@ -42,7 +42,7 @@
         <!--</dependency>-->
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
         <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/gfac/gfac-service/src/main/java/org/apache/airavata/gfac/server/GfacServerHandler.java
----------------------------------------------------------------------
diff --git 
a/modules/gfac/gfac-service/src/main/java/org/apache/airavata/gfac/server/GfacServerHandler.java
 
b/modules/gfac/gfac-service/src/main/java/org/apache/airavata/gfac/server/GfacServerHandler.java
index 770eb98..9e89788 100644
--- 
a/modules/gfac/gfac-service/src/main/java/org/apache/airavata/gfac/server/GfacServerHandler.java
+++ 
b/modules/gfac/gfac-service/src/main/java/org/apache/airavata/gfac/server/GfacServerHandler.java
@@ -102,6 +102,7 @@ public class GfacServerHandler implements GfacService.Iface 
{
 
     public GfacServerHandler() throws Exception {
         try {
+
             // start curator client
             String zkhostPort = AiravataZKUtils.getZKhostPort();
             RetryPolicy retryPolicy = new ExponentialBackoffRetry(1000, 5);

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/messaging/core/pom.xml
----------------------------------------------------------------------
diff --git a/modules/messaging/core/pom.xml b/modules/messaging/core/pom.xml
index 1c42bf7..4e2915a 100644
--- a/modules/messaging/core/pom.xml
+++ b/modules/messaging/core/pom.xml
@@ -30,7 +30,7 @@
         </dependency>
         <dependency>
         <groupId>org.apache.airavata</groupId>
-        <artifactId>airavata-common-utils</artifactId>
+        <artifactId>airavata-commons</artifactId>
         <version>${project.version}</version>
         </dependency>
         <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/Publisher.java
----------------------------------------------------------------------
diff --git 
a/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/Publisher.java
 
b/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/Publisher.java
index 4878254..dea8b00 100644
--- 
a/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/Publisher.java
+++ 
b/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/Publisher.java
@@ -22,7 +22,6 @@
 package org.apache.airavata.messaging.core;
 
 import org.apache.airavata.common.exception.AiravataException;
-import org.apache.airavata.model.messaging.event.*;
 
 /**
  * This is the basic publisher interface.

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/impl/RabbitMQTaskLaunchPublisher.java
----------------------------------------------------------------------
diff --git 
a/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/impl/RabbitMQTaskLaunchPublisher.java
 
b/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/impl/RabbitMQTaskLaunchPublisher.java
index 34e2545..53bf373 100644
--- 
a/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/impl/RabbitMQTaskLaunchPublisher.java
+++ 
b/modules/messaging/core/src/main/java/org/apache/airavata/messaging/core/impl/RabbitMQTaskLaunchPublisher.java
@@ -28,7 +28,6 @@ import org.apache.airavata.messaging.core.MessageContext;
 import org.apache.airavata.messaging.core.MessagingConstants;
 import org.apache.airavata.messaging.core.Publisher;
 import org.apache.airavata.model.messaging.event.*;
-import org.apache.catalina.Server;
 import org.apache.thrift.TException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/orchestrator/orchestrator-core/pom.xml
----------------------------------------------------------------------
diff --git a/modules/orchestrator/orchestrator-core/pom.xml 
b/modules/orchestrator/orchestrator-core/pom.xml
index f0bbafb..6bf5171 100644
--- a/modules/orchestrator/orchestrator-core/pom.xml
+++ b/modules/orchestrator/orchestrator-core/pom.xml
@@ -41,7 +41,7 @@ the License. -->
         </dependency>
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
         <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/registry/registry-core/pom.xml
----------------------------------------------------------------------
diff --git a/modules/registry/registry-core/pom.xml 
b/modules/registry/registry-core/pom.xml
index fb80c1f..25eb17d 100644
--- a/modules/registry/registry-core/pom.xml
+++ b/modules/registry/registry-core/pom.xml
@@ -30,7 +30,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
         <!-- Test -->

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/registry/registry-cpi/pom.xml
----------------------------------------------------------------------
diff --git a/modules/registry/registry-cpi/pom.xml 
b/modules/registry/registry-cpi/pom.xml
index 8b5f84f..f5a54cc 100644
--- a/modules/registry/registry-cpi/pom.xml
+++ b/modules/registry/registry-cpi/pom.xml
@@ -30,7 +30,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
         <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/security/pom.xml
----------------------------------------------------------------------
diff --git a/modules/security/pom.xml b/modules/security/pom.xml
index c968e91..ffba9b8 100644
--- a/modules/security/pom.xml
+++ b/modules/security/pom.xml
@@ -24,7 +24,7 @@
     <dependencies>
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
         <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/security/src/test/java/org/apache/airavata/security/userstore/SessionDBUserStoreTest.java
----------------------------------------------------------------------
diff --git 
a/modules/security/src/test/java/org/apache/airavata/security/userstore/SessionDBUserStoreTest.java
 
b/modules/security/src/test/java/org/apache/airavata/security/userstore/SessionDBUserStoreTest.java
index 9059c9a..0a8b7ab 100644
--- 
a/modules/security/src/test/java/org/apache/airavata/security/userstore/SessionDBUserStoreTest.java
+++ 
b/modules/security/src/test/java/org/apache/airavata/security/userstore/SessionDBUserStoreTest.java
@@ -23,7 +23,6 @@
 
 package org.apache.airavata.security.userstore;
 
-import junit.framework.TestCase;
 import org.apache.airavata.common.utils.DatabaseTestCases;
 import org.apache.airavata.common.utils.DerbyUtil;
 import org.junit.*;
@@ -32,7 +31,6 @@ import org.w3c.dom.NodeList;
 
 import javax.xml.parsers.DocumentBuilder;
 import javax.xml.parsers.DocumentBuilderFactory;
-import java.io.File;
 import java.io.InputStream;
 
 /**

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/server/pom.xml
----------------------------------------------------------------------
diff --git a/modules/server/pom.xml b/modules/server/pom.xml
index 37ba141..d8f4419 100644
--- a/modules/server/pom.xml
+++ b/modules/server/pom.xml
@@ -37,7 +37,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
                <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/server/src/main/java/org/apache/airavata/server/ServerMain.java
----------------------------------------------------------------------
diff --git 
a/modules/server/src/main/java/org/apache/airavata/server/ServerMain.java 
b/modules/server/src/main/java/org/apache/airavata/server/ServerMain.java
index d90c21b..0117f7a 100644
--- a/modules/server/src/main/java/org/apache/airavata/server/ServerMain.java
+++ b/modules/server/src/main/java/org/apache/airavata/server/ServerMain.java
@@ -24,10 +24,8 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.RandomAccessFile;
-import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.Properties;
 
 import org.apache.airavata.common.exception.ApplicationSettingsException;
 import org.apache.airavata.common.utils.*;
@@ -36,8 +34,6 @@ import org.apache.airavata.common.utils.IServer.ServerStatus;
 import org.apache.airavata.common.utils.StringUtil.CommandLineParameters;
 import org.apache.commons.cli.ParseException;
 import org.apache.zookeeper.server.ServerCnxnFactory;
-import org.apache.zookeeper.server.ServerConfig;
-import org.apache.zookeeper.server.quorum.QuorumPeerConfig;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/test-suite/multi-tenanted-airavata/pom.xml
----------------------------------------------------------------------
diff --git a/modules/test-suite/multi-tenanted-airavata/pom.xml 
b/modules/test-suite/multi-tenanted-airavata/pom.xml
index 6c3f41f..58a3b53 100644
--- a/modules/test-suite/multi-tenanted-airavata/pom.xml
+++ b/modules/test-suite/multi-tenanted-airavata/pom.xml
@@ -65,7 +65,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
         <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-engine/pom.xml
----------------------------------------------------------------------
diff --git a/modules/workflow-model/workflow-engine/pom.xml 
b/modules/workflow-model/workflow-engine/pom.xml
index 1361781..6f9bf15 100644
--- a/modules/workflow-model/workflow-engine/pom.xml
+++ b/modules/workflow-model/workflow-engine/pom.xml
@@ -242,7 +242,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
         <!--<dependency>-->

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/invoker/SimpleInvoker.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/invoker/SimpleInvoker.java
 
b/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/invoker/SimpleInvoker.java
index e205459..eef2f8e 100644
--- 
a/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/invoker/SimpleInvoker.java
+++ 
b/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/invoker/SimpleInvoker.java
@@ -21,13 +21,10 @@
 
 package org.apache.airavata.workflow.engine.invoker;
 
-import java.util.Iterator;
-
 import org.apache.airavata.common.utils.XMLUtil;
 import org.apache.airavata.workflow.model.exceptions.WorkflowException;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.v1.builder.XmlElement;
 
 //import xsul.wsdl.WsdlDefinitions;
 //import xsul.wsif.WSIFMessage;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/InterpreterUtil.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/InterpreterUtil.java
 
b/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/InterpreterUtil.java
index c88f6ab..5beda25 100644
--- 
a/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/InterpreterUtil.java
+++ 
b/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/InterpreterUtil.java
@@ -23,7 +23,6 @@ package org.apache.airavata.workflow.engine.util;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -36,20 +35,11 @@ import 
org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;
 import org.apache.airavata.workflow.model.graph.DataPort;
 import org.apache.airavata.workflow.model.graph.Node;
 import org.apache.airavata.workflow.model.graph.Node.NodeExecutionState;
-import org.apache.airavata.workflow.model.graph.amazon.InstanceNode;
 import org.apache.airavata.workflow.model.graph.impl.NodeImpl;
-import org.apache.airavata.workflow.model.graph.system.ConstantNode;
-import org.apache.airavata.workflow.model.graph.system.DifferedInputNode;
-import org.apache.airavata.workflow.model.graph.system.DoWhileNode;
-import org.apache.airavata.workflow.model.graph.system.EndDoWhileNode;
 import org.apache.airavata.workflow.model.graph.system.EndForEachNode;
-import org.apache.airavata.workflow.model.graph.system.EndifNode;
 import org.apache.airavata.workflow.model.graph.system.ForEachNode;
 import org.apache.airavata.workflow.model.graph.system.InputNode;
-import org.apache.airavata.workflow.model.graph.system.SystemDataPort;
 import org.apache.airavata.workflow.model.graph.ws.WSGraph;
-import org.apache.airavata.workflow.model.graph.ws.WSPort;
-import org.xmlpull.infoset.XmlElement;
 
 //import xsul5.XmlConstants;
 //import org.apache.airavata.xbaya.ui.monitor.MonitorEventHandler;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/XBayaUtil.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/XBayaUtil.java
 
b/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/XBayaUtil.java
index 7aaac5d..f56aeca 100644
--- 
a/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/XBayaUtil.java
+++ 
b/modules/workflow-model/workflow-engine/src/main/java/org/apache/airavata/workflow/engine/util/XBayaUtil.java
@@ -28,15 +28,11 @@ import 
org.apache.airavata.workflow.model.exceptions.WorkflowException;
 import org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;
 import org.apache.airavata.workflow.model.graph.DataPort;
 import org.apache.airavata.workflow.model.graph.Node;
-import org.apache.airavata.workflow.model.graph.amazon.InstanceNode;
-import org.apache.airavata.workflow.model.graph.system.ConstantNode;
 import org.apache.airavata.workflow.model.graph.system.EndForEachNode;
-import org.apache.airavata.workflow.model.graph.system.EndifNode;
 import org.apache.airavata.workflow.model.graph.system.ForEachNode;
 import org.apache.airavata.workflow.model.graph.system.InputNode;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.infoset.XmlElement;
 //import xsul5.XmlConstants;
 
 import java.net.HttpURLConnection;
@@ -44,7 +40,6 @@ import java.net.SocketTimeoutException;
 import java.net.URL;
 import java.util.Arrays;
 import java.util.Collection;
-import java.util.Iterator;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-component/pom.xml
----------------------------------------------------------------------
diff --git a/modules/workflow-model/workflow-model-component/pom.xml 
b/modules/workflow-model/workflow-model-component/pom.xml
index c45de00..aa99ab0 100644
--- a/modules/workflow-model/workflow-model-component/pom.xml
+++ b/modules/workflow-model/workflow-model-component/pom.xml
@@ -66,7 +66,7 @@
         </dependency>
        <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
                <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/pom.xml
----------------------------------------------------------------------
diff --git a/modules/workflow-model/workflow-model-core/pom.xml 
b/modules/workflow-model/workflow-model-core/pom.xml
index 3b31fb7..2e78243 100644
--- a/modules/workflow-model/workflow-model-core/pom.xml
+++ b/modules/workflow-model/workflow-model-core/pom.xml
@@ -67,7 +67,7 @@
 
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
        <dependency>

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/amazon/InstanceComponentDataPort.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/amazon/InstanceComponentDataPort.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/amazon/InstanceComponentDataPort.java
index 85e7e4a..9702658 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/amazon/InstanceComponentDataPort.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/amazon/InstanceComponentDataPort.java
@@ -21,8 +21,6 @@
 
 package org.apache.airavata.workflow.model.component.amazon;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.ComponentDataPort;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/dynamic/DynamicComponentPort.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/dynamic/DynamicComponentPort.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/dynamic/DynamicComponentPort.java
index 0adc686..f5fa500 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/dynamic/DynamicComponentPort.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/dynamic/DynamicComponentPort.java
@@ -21,8 +21,6 @@
 
 package org.apache.airavata.workflow.model.component.dynamic;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.ComponentDataPort;
 import org.apache.airavata.workflow.model.graph.DataPort;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/url/URLComponentRegistry.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/url/URLComponentRegistry.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/url/URLComponentRegistry.java
index df56cc4..b5bd3b5 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/url/URLComponentRegistry.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/url/URLComponentRegistry.java
@@ -31,7 +31,6 @@ import 
org.apache.airavata.workflow.model.component.ComponentReference;
 import org.apache.airavata.workflow.model.component.ComponentRegistry;
 import org.apache.airavata.workflow.model.component.ComponentRegistryException;
 import org.apache.airavata.workflow.model.component.ws.WSComponent;
-import org.apache.airavata.workflow.model.component.ws.WSComponentFactory;
 
 //import xsul.wsdl.WsdlDefinitions;
 //import xsul.wsdl.WsdlResolver;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/web/WebComponentRegistry.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/web/WebComponentRegistry.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/web/WebComponentRegistry.java
index 3f66877..052868a 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/web/WebComponentRegistry.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/web/WebComponentRegistry.java
@@ -39,7 +39,6 @@ import javax.swing.text.html.HTMLEditorKit;
 import javax.swing.text.html.parser.ParserDelegator;
 
 import org.apache.airavata.common.utils.IOUtil;
-import org.apache.airavata.workflow.model.component.ComponentException;
 import org.apache.airavata.workflow.model.component.ComponentReference;
 import org.apache.airavata.workflow.model.component.ComponentRegistry;
 import org.apache.airavata.workflow.model.component.ComponentRegistryException;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentApplication.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentApplication.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentApplication.java
index 1ebc006..c51f39f 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentApplication.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentApplication.java
@@ -34,7 +34,6 @@ import javax.xml.bind.annotation.XmlAttribute;
 import javax.xml.bind.annotation.XmlElement;
 import javax.xml.bind.annotation.XmlRootElement;
 import javax.xml.bind.annotation.XmlType;
-import javax.xml.namespace.QName;
 
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
@@ -48,7 +47,6 @@ import 
org.apache.airavata.model.appcatalog.appinterface.OutputDataObjectType;
 import org.apache.airavata.workflow.model.utils.WorkflowConstants;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.infoset.XmlNamespace;
 
 //import xsul5.XmlConstants;
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentPort.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentPort.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentPort.java
index b216b3d..ac4780a 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentPort.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentPort.java
@@ -21,8 +21,6 @@
 
 package org.apache.airavata.workflow.model.component.ws;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.common.utils.XMLUtil;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentRegistry.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentRegistry.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentRegistry.java
index 083aa89..bacb90c 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentRegistry.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/component/ws/WSComponentRegistry.java
@@ -24,7 +24,6 @@ package org.apache.airavata.workflow.model.component.ws;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
-import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
@@ -34,7 +33,6 @@ import 
org.apache.airavata.workflow.model.component.ComponentReference;
 import org.apache.airavata.workflow.model.component.ComponentRegistry;
 import org.apache.airavata.workflow.model.component.ComponentRegistryException;
 import 
org.apache.airavata.workflow.model.component.system.SubWorkflowComponent;
-import org.apache.airavata.workflow.model.component.url.URLComponentReference;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/DSCUtil.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/DSCUtil.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/DSCUtil.java
index 7a67672..a7a64e7 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/DSCUtil.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/DSCUtil.java
@@ -23,23 +23,13 @@ package org.apache.airavata.workflow.model.gpel;
 
 import java.io.UnsupportedEncodingException;
 import java.net.URI;
-import java.net.URISyntaxException;
 import java.net.URLEncoder;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
 
 import javax.xml.namespace.QName;
 
 import org.apache.airavata.common.exception.UtilsException;
 import org.apache.airavata.common.utils.WSDLUtil;
 import org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;
-import org.apache.airavata.workflow.model.gpel.script.BPELScript;
-import org.apache.airavata.workflow.model.graph.Graph;
-import org.apache.airavata.workflow.model.graph.util.GraphUtil;
-import org.apache.airavata.workflow.model.graph.ws.WSNode;
-import org.apache.airavata.workflow.model.wf.Workflow;
 
 //import xsul5.wsdl.WsdlDefinitions;
 //import xsul5.wsdl.WsdlPortType;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/BPELScript.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/BPELScript.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/BPELScript.java
index 182c0e8..9063207 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/BPELScript.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/BPELScript.java
@@ -28,40 +28,29 @@ import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.StringUtil;
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.common.utils.XMLUtil;
 import org.apache.airavata.workflow.model.component.ComponentPort;
 import org.apache.airavata.workflow.model.component.ws.WSComponent;
 import org.apache.airavata.workflow.model.component.ws.WSComponentPort;
-import org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;
-import org.apache.airavata.workflow.model.graph.DataPort;
 import org.apache.airavata.workflow.model.graph.EPRPort;
 import org.apache.airavata.workflow.model.graph.Graph;
 import org.apache.airavata.workflow.model.graph.GraphException;
 import org.apache.airavata.workflow.model.graph.Node;
 import org.apache.airavata.workflow.model.graph.Port;
-import org.apache.airavata.workflow.model.graph.amazon.InstanceNode;
-import org.apache.airavata.workflow.model.graph.amazon.ResourceNode;
 import org.apache.airavata.workflow.model.graph.system.BlockNode;
 import org.apache.airavata.workflow.model.graph.system.ConstantNode;
 import org.apache.airavata.workflow.model.graph.system.EndBlockNode;
 import org.apache.airavata.workflow.model.graph.system.EndForEachNode;
 import org.apache.airavata.workflow.model.graph.system.EndifNode;
-import org.apache.airavata.workflow.model.graph.system.ExitNode;
 import org.apache.airavata.workflow.model.graph.system.ForEachNode;
 import org.apache.airavata.workflow.model.graph.system.IfNode;
 import org.apache.airavata.workflow.model.graph.system.InputNode;
 import org.apache.airavata.workflow.model.graph.system.MemoNode;
 import org.apache.airavata.workflow.model.graph.system.OutputNode;
-import org.apache.airavata.workflow.model.graph.system.ReceiveNode;
-import org.apache.airavata.workflow.model.graph.system.StreamSourceNode;
 import org.apache.airavata.workflow.model.graph.util.GraphUtil;
 import org.apache.airavata.workflow.model.graph.ws.WSNode;
-import org.apache.airavata.workflow.model.utils.WorkflowConstants;
-import org.apache.airavata.workflow.model.utils.ApplicationVersion;
 import org.apache.airavata.workflow.model.wf.Workflow;
 //import org.gpel.GpelConstants;
 //import org.gpel.model.GpelAssign;
@@ -82,9 +71,7 @@ import org.apache.airavata.workflow.model.wf.Workflow;
 //import org.gpel.model.GpelVariable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.infoset.XmlComment;
 import org.xmlpull.infoset.XmlElement;
-import org.xmlpull.infoset.XmlInfosetBuilder;
 import org.xmlpull.infoset.XmlNamespace;
 
 //import xsul5.wsdl.WsdlPortType;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/WorkflowWSDL.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/WorkflowWSDL.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/WorkflowWSDL.java
index 5017d24..ee8f40b 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/WorkflowWSDL.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/gpel/script/WorkflowWSDL.java
@@ -21,9 +21,7 @@
 
 package org.apache.airavata.workflow.model.gpel.script;
 
-import java.util.HashMap;
 import java.util.List;
-import java.util.Map;
 
 import javax.xml.namespace.QName;
 
@@ -32,22 +30,16 @@ import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.common.utils.WSDLUtil;
 import org.apache.airavata.common.utils.XMLUtil;
 import org.apache.airavata.workflow.model.component.ws.WSComponentPort;
-import org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;
-import org.apache.airavata.workflow.model.graph.DataPort;
 import org.apache.airavata.workflow.model.graph.GraphException;
 import org.apache.airavata.workflow.model.graph.Node;
 import org.apache.airavata.workflow.model.graph.system.InputNode;
 import org.apache.airavata.workflow.model.graph.system.ParameterNode;
-import org.apache.airavata.workflow.model.graph.system.ReceiveNode;
 import org.apache.airavata.workflow.model.graph.system.SystemDataPort;
-import org.apache.airavata.workflow.model.graph.util.GraphUtil;
 import org.apache.airavata.workflow.model.graph.ws.WSGraph;
 import org.apache.airavata.workflow.model.utils.WorkflowConstants;
-import org.apache.airavata.workflow.model.utils.ApplicationVersion;
 import org.apache.airavata.workflow.model.wf.Workflow;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.infoset.XmlComment;
 import org.xmlpull.infoset.XmlElement;
 import org.xmlpull.infoset.XmlNamespace;
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/EdgeImpl.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/EdgeImpl.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/EdgeImpl.java
index 03b867d..bb2519f 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/EdgeImpl.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/EdgeImpl.java
@@ -21,7 +21,6 @@
 
 package org.apache.airavata.workflow.model.graph.impl;
 
-import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import org.apache.airavata.common.utils.XMLUtil;
 import org.apache.airavata.workflow.model.graph.Edge;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/PortImpl.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/PortImpl.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/PortImpl.java
index 5231a01..6504d2b 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/PortImpl.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/impl/PortImpl.java
@@ -25,7 +25,6 @@ import java.util.ArrayList;
 import java.util.LinkedList;
 import java.util.List;
 
-import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonPrimitive;
 import org.apache.airavata.common.utils.XMLUtil;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ConstantNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ConstantNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ConstantNode.java
index b69fcae..405dc3b 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ConstantNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ConstantNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.Component;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/DifferedInputNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/DifferedInputNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/DifferedInputNode.java
index 5ef7b1c..2902128 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/DifferedInputNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/DifferedInputNode.java
@@ -22,8 +22,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.Component;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndBlockNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndBlockNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndBlockNode.java
index c515f63..f57294c 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndBlockNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndBlockNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.ComponentDataPort;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndDoWhileNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndDoWhileNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndDoWhileNode.java
index 6c763aa..7b92714 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndDoWhileNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndDoWhileNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.ComponentDataPort;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndForEachNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndForEachNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndForEachNode.java
index feb07c0..c565ed2 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndForEachNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndForEachNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.ComponentDataPort;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndifNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndifNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndifNode.java
index 63c26d6..dbc8382 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndifNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/EndifNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.ComponentDataPort;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ForEachNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ForEachNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ForEachNode.java
index 86dcdef..8962cd8 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ForEachNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ForEachNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.ComponentDataPort;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/InputNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/InputNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/InputNode.java
index ffe017f..5a4c236 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/InputNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/InputNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import org.apache.airavata.common.utils.WSConstants;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ParameterNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ParameterNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ParameterNode.java
index b819e4f..739b231 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ParameterNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/ParameterNode.java
@@ -24,8 +24,6 @@ package org.apache.airavata.workflow.model.graph.system;
 import java.util.ArrayList;
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import org.apache.airavata.common.exception.UtilsException;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/S3InputNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/S3InputNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/S3InputNode.java
index a51849c..320135f 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/S3InputNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/S3InputNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.component.Component;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemDataPort.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemDataPort.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemDataPort.java
index 2967f5c..dc821ce 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemDataPort.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemDataPort.java
@@ -21,8 +21,6 @@
 
 package org.apache.airavata.workflow.model.graph.system;
 
-import javax.xml.namespace.QName;
-
 import com.google.gson.JsonObject;
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemNode.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemNode.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemNode.java
index eb83b6b..1962290 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemNode.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/system/SystemNode.java
@@ -23,8 +23,6 @@ package org.apache.airavata.workflow.model.graph.system;
 
 import java.util.List;
 
-import javax.xml.namespace.QName;
-
 import com.google.gson.JsonObject;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSGraphFactory.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSGraphFactory.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSGraphFactory.java
index 9fc9567..cca707d 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSGraphFactory.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSGraphFactory.java
@@ -24,7 +24,6 @@ package org.apache.airavata.workflow.model.graph.ws;
 import java.io.File;
 import java.io.IOException;
 
-import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import org.apache.airavata.common.utils.IOUtil;
 import org.apache.airavata.common.utils.JSONUtil;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSPort.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSPort.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSPort.java
index 0140993..3db6ae6 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSPort.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/graph/ws/WSPort.java
@@ -21,8 +21,6 @@
 
 package org.apache.airavata.workflow.model.graph.ws;
 
-import javax.xml.namespace.QName;
-
 import com.google.gson.JsonObject;
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/TridentTransformer.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/TridentTransformer.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/TridentTransformer.java
index 51e1f11..d4fbc38 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/TridentTransformer.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/TridentTransformer.java
@@ -21,13 +21,7 @@
 
 package org.apache.airavata.workflow.model.wf;
 
-import java.util.LinkedList;
-
 import org.apache.airavata.common.utils.XMLUtil;
-import org.apache.airavata.workflow.model.xsd.GFacSimpleTypesXSD;
-import org.apache.airavata.workflow.model.xsd.LeadContextHeaderXSD;
-import org.apache.airavata.workflow.model.xsd.LeadCrosscutXSD;
-import org.xmlpull.infoset.XmlElement;
 
 //import xsul5.wsdl.WsdlDefinitions;
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/Workflow.java
----------------------------------------------------------------------
diff --git 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/Workflow.java
 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/Workflow.java
index eb6ebf7..705b4ae 100644
--- 
a/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/Workflow.java
+++ 
b/modules/workflow-model/workflow-model-core/src/main/java/org/apache/airavata/workflow/model/wf/Workflow.java
@@ -28,16 +28,13 @@ import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.HashMap;
-import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
 import javax.imageio.ImageIO;
 import javax.xml.namespace.QName;
 
-import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import com.google.gson.JsonPrimitive;
 import org.apache.airavata.common.exception.UtilsException;
@@ -52,8 +49,6 @@ import 
org.apache.airavata.workflow.model.component.ws.WSComponentPort;
 import org.apache.airavata.workflow.model.exceptions.WorkflowException;
 import org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;
 import org.apache.airavata.workflow.model.gpel.script.BPELScript;
-import org.apache.airavata.workflow.model.gpel.script.BPELScriptType;
-import org.apache.airavata.workflow.model.graph.Graph;
 import org.apache.airavata.workflow.model.graph.GraphException;
 import org.apache.airavata.workflow.model.graph.GraphSchema;
 import org.apache.airavata.workflow.model.graph.Node;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/pom.xml
----------------------------------------------------------------------
diff --git a/modules/xbaya-gui/pom.xml b/modules/xbaya-gui/pom.xml
index fa25025..d15c231 100644
--- a/modules/xbaya-gui/pom.xml
+++ b/modules/xbaya-gui/pom.xml
@@ -201,7 +201,7 @@
         </dependency>
         <dependency>
             <groupId>org.apache.airavata</groupId>
-            <artifactId>airavata-common-utils</artifactId>
+            <artifactId>airavata-commons</artifactId>
             <version>${project.version}</version>
         </dependency>
         <!--<dependency>-->

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/BPELFiler.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/BPELFiler.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/BPELFiler.java
index cd3954a..eeb6f3c 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/BPELFiler.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/BPELFiler.java
@@ -22,7 +22,6 @@
 package org.apache.airavata.xbaya.core.generators;
 
 import java.io.File;
-import java.io.IOException;
 import java.util.ArrayList;
 
 import javax.swing.JFileChooser;
@@ -30,15 +29,10 @@ import javax.swing.filechooser.FileFilter;
 
 import org.apache.airavata.common.utils.XMLUtil;
 import org.apache.airavata.workflow.model.gpel.script.BPELScript;
-import org.apache.airavata.workflow.model.gpel.script.BPELScriptType;
-import org.apache.airavata.workflow.model.gpel.script.WorkflowWSDL;
-import org.apache.airavata.workflow.model.graph.GraphException;
 import org.apache.airavata.workflow.model.wf.Workflow;
 import org.apache.airavata.xbaya.XBayaConstants;
 import org.apache.airavata.xbaya.XBayaEngine;
 import org.apache.airavata.xbaya.file.XBayaPathConstants;
-import org.apache.airavata.xbaya.ui.utils.ErrorMessages;
-import org.gpel.model.GpelProcess;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/ODEScriptFiler.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/ODEScriptFiler.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/ODEScriptFiler.java
index 7649754..dbf0044 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/ODEScriptFiler.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/core/generators/ODEScriptFiler.java
@@ -22,20 +22,13 @@
 package org.apache.airavata.xbaya.core.generators;
 
 import java.io.File;
-import java.io.FileWriter;
-import java.io.IOException;
 import java.net.URI;
 import java.net.URISyntaxException;
-import java.util.Map;
-import java.util.Set;
 
 import javax.swing.JFileChooser;
 import javax.swing.filechooser.FileFilter;
-import javax.xml.namespace.QName;
 
 import org.apache.airavata.common.utils.WSDLUtil;
-import org.apache.airavata.workflow.model.component.ComponentException;
-import org.apache.airavata.workflow.model.graph.GraphException;
 import org.apache.airavata.workflow.model.wf.Workflow;
 import org.apache.airavata.xbaya.XBayaConstants;
 import org.apache.airavata.xbaya.XBayaEngine;
@@ -44,10 +37,6 @@ import org.apache.airavata.xbaya.ui.utils.ErrorMessages;
 import org.gpel.model.GpelProcess;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.infoset.XmlElement;
-
-import xsul5.XmlConstants;
-import xsul5.wsdl.WsdlDefinitions;
 
 public class ODEScriptFiler {
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/StandaloneNotificationSender.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/StandaloneNotificationSender.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/StandaloneNotificationSender.java
index 432bc56..cd06c60 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/StandaloneNotificationSender.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/interpretor/StandaloneNotificationSender.java
@@ -31,11 +31,9 @@ import 
org.apache.airavata.workflow.model.graph.system.OutputNode;
 import org.apache.airavata.workflow.model.graph.util.GraphUtil;
 import org.apache.airavata.workflow.model.wf.Workflow;
 import org.apache.airavata.xbaya.XBayaConstants;
-import org.apache.airavata.xbaya.graph.controller.NodeController;
 import org.apache.airavata.xbaya.jython.lib.ServiceNotifiable;
 import 
org.apache.airavata.xbaya.jython.lib.StandaloneServiceNotificationSender;
 import org.apache.airavata.xbaya.jython.lib.WorkflowNotifiable;
-import org.apache.airavata.xbaya.ui.monitor.MonitorEventHandler.NodeState;
 import org.apache.axis2.addressing.EndpointReference;
 import org.python.core.PyObject;
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/messaging/EventData.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/messaging/EventData.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/messaging/EventData.java
index ab02662..ba70109 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/messaging/EventData.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/messaging/EventData.java
@@ -27,14 +27,11 @@ import org.apache.airavata.messaging.core.MessageContext;
 import org.apache.airavata.model.messaging.event.ExperimentStatusChangeEvent;
 import org.apache.airavata.model.messaging.event.JobIdentifier;
 import org.apache.airavata.model.messaging.event.JobStatusChangeEvent;
-import org.apache.airavata.model.messaging.event.Message;
-import org.apache.airavata.model.messaging.event.MessageLevel;
 import org.apache.airavata.model.messaging.event.MessageType;
 import org.apache.airavata.model.messaging.event.TaskIdentifier;
 import org.apache.airavata.model.messaging.event.TaskStatusChangeEvent;
 import org.apache.airavata.model.messaging.event.WorkflowIdentifier;
 import org.apache.airavata.model.messaging.event.WorkflowNodeStatusChangeEvent;
-import org.apache.thrift.TException;
 
 import java.util.Date;
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/modifier/WorkflowModifier.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/modifier/WorkflowModifier.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/modifier/WorkflowModifier.java
index f8a495a..3b38b1f 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/modifier/WorkflowModifier.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/modifier/WorkflowModifier.java
@@ -51,10 +51,6 @@ import org.apache.airavata.xbaya.messaging.MonitorException;
 import org.apache.airavata.xbaya.ui.monitor.MonitorEventHandler.NodeState;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.infoset.XmlElement;
-
-import xsul.XmlConstants;
-import xsul5.wsdl.WsdlPortTypeOperation;
 
 public class WorkflowModifier {
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/XBayaGUI.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/XBayaGUI.java 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/XBayaGUI.java
index fb1a0b0..3c7a1d4 100644
--- a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/XBayaGUI.java
+++ b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/XBayaGUI.java
@@ -52,7 +52,6 @@ import org.apache.airavata.common.utils.SwingUtil;
 import org.apache.airavata.workflow.model.component.Component;
 import org.apache.airavata.workflow.model.exceptions.WorkflowException;
 import org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;
-import org.apache.airavata.workflow.model.graph.Graph;
 import org.apache.airavata.workflow.model.graph.Node;
 import org.apache.airavata.workflow.model.graph.Port;
 import org.apache.airavata.workflow.model.wf.Workflow;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/ConstantConfigurationDialog.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/ConstantConfigurationDialog.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/ConstantConfigurationDialog.java
index 63b7850..9a99baf 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/ConstantConfigurationDialog.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/ConstantConfigurationDialog.java
@@ -26,7 +26,6 @@ import java.awt.event.ActionEvent;
 import javax.swing.AbstractAction;
 import javax.swing.JButton;
 import javax.swing.JPanel;
-import javax.xml.namespace.QName;
 
 import org.apache.airavata.common.utils.XMLUtil;
 import org.apache.airavata.model.appcatalog.appinterface.DataType;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/DifferedInputConfigurationDialog.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/DifferedInputConfigurationDialog.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/DifferedInputConfigurationDialog.java
index e81a033..1fc19c7 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/DifferedInputConfigurationDialog.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/DifferedInputConfigurationDialog.java
@@ -26,7 +26,6 @@ import java.awt.event.ActionEvent;
 import javax.swing.AbstractAction;
 import javax.swing.JButton;
 import javax.swing.JPanel;
-import javax.xml.namespace.QName;
 
 import org.apache.airavata.common.utils.WSConstants;
 import org.apache.airavata.common.utils.XMLUtil;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/InputConfigurationDialog.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/InputConfigurationDialog.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/InputConfigurationDialog.java
index b0c5f57..fa88ff1 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/InputConfigurationDialog.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/InputConfigurationDialog.java
@@ -26,10 +26,8 @@ import java.awt.event.ActionEvent;
 import javax.swing.AbstractAction;
 import javax.swing.JButton;
 import javax.swing.JPanel;
-import javax.xml.namespace.QName;
 
 import org.apache.airavata.common.utils.XMLUtil;
-import org.apache.airavata.model.appcatalog.appinterface.DataType;
 import org.apache.airavata.workflow.model.graph.system.InputNode;
 import org.apache.airavata.xbaya.ui.XBayaGUI;
 import org.apache.airavata.xbaya.ui.dialogs.XBayaDialog;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/OutputConfigurationDialog.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/OutputConfigurationDialog.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/OutputConfigurationDialog.java
index 7862959..428b0db 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/OutputConfigurationDialog.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/system/OutputConfigurationDialog.java
@@ -36,7 +36,6 @@ import org.apache.airavata.xbaya.ui.widgets.GridPanel;
 import org.apache.airavata.xbaya.ui.widgets.XBayaLabel;
 import org.apache.airavata.xbaya.ui.widgets.XBayaTextArea;
 import org.apache.airavata.xbaya.ui.widgets.XBayaTextField;
-import org.xmlpull.infoset.XmlElement;
 
 public class OutputConfigurationDialog {
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/ws/WSNodeWindow.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/ws/WSNodeWindow.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/ws/WSNodeWindow.java
index f5ce749..b23c84b 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/ws/WSNodeWindow.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/graph/ws/WSNodeWindow.java
@@ -37,8 +37,6 @@ import org.apache.airavata.xbaya.ui.widgets.XBayaLabel;
 import org.apache.airavata.xbaya.ui.widgets.XBayaTextArea;
 import org.apache.airavata.xbaya.ui.widgets.XBayaTextField;
 
-import xsul5.wsdl.WsdlDefinitions;
-
 public class WSNodeWindow {
 
     private XBayaEngine engine;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowImportWindow.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowImportWindow.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowImportWindow.java
index 07d2f46..7feb932 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowImportWindow.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowImportWindow.java
@@ -41,8 +41,6 @@ import org.apache.airavata.common.utils.XMLUtil;
 import org.apache.airavata.model.error.AiravataClientException;
 import org.apache.airavata.model.error.AiravataSystemException;
 import org.apache.airavata.model.error.InvalidRequestException;
-import org.apache.airavata.workflow.model.graph.ws.WSGraph;
-import org.apache.airavata.workflow.model.graph.ws.WSGraphFactory;
 import org.apache.airavata.workflow.model.wf.Workflow;
 import org.apache.airavata.xbaya.ThriftClientData;
 import org.apache.airavata.xbaya.ThriftServiceType;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowPropertyWindow.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowPropertyWindow.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowPropertyWindow.java
index d4bd884..d94054b 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowPropertyWindow.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/dialogs/workflow/WorkflowPropertyWindow.java
@@ -22,7 +22,6 @@
 package org.apache.airavata.xbaya.ui.dialogs.workflow;
 
 import java.awt.event.ActionEvent;
-import java.net.URI;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -31,9 +30,6 @@ import javax.swing.JButton;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 
-import com.google.gson.Gson;
-import com.google.gson.GsonBuilder;
-import com.google.gson.JsonObject;
 import org.apache.airavata.common.utils.JSONUtil;
 import org.apache.airavata.common.utils.StringUtil;
 import org.apache.airavata.common.utils.WSConstants;
@@ -46,7 +42,6 @@ import org.apache.airavata.xbaya.ui.widgets.GridPanel;
 import org.apache.airavata.xbaya.ui.widgets.XBayaLabel;
 import org.apache.airavata.xbaya.ui.widgets.XBayaTextArea;
 import org.apache.airavata.xbaya.ui.widgets.XBayaTextField;
-import org.xmlpull.infoset.XmlElement;
 
 public class WorkflowPropertyWindow {
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/RegistryWorkflowPublisherWindow.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/RegistryWorkflowPublisherWindow.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/RegistryWorkflowPublisherWindow.java
index 1b4c383..0e9c765 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/RegistryWorkflowPublisherWindow.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/RegistryWorkflowPublisherWindow.java
@@ -21,7 +21,6 @@
 
 package org.apache.airavata.xbaya.ui.experiment;
 
-import java.awt.HeadlessException;
 import java.awt.event.ActionEvent;
 
 import javax.swing.AbstractAction;
@@ -35,11 +34,6 @@ import javax.swing.border.TitledBorder;
 import org.apache.airavata.api.Airavata.Client;
 import org.apache.airavata.api.client.AiravataClientFactory;
 import org.apache.airavata.common.utils.XMLUtil;
-import org.apache.airavata.model.error.AiravataClientConnectException;
-import org.apache.airavata.model.error.AiravataClientException;
-import org.apache.airavata.model.error.AiravataSystemException;
-import org.apache.airavata.model.error.InvalidRequestException;
-import org.apache.airavata.workflow.catalog.WorkflowCatalogFactory;
 import org.apache.airavata.workflow.model.wf.Workflow;
 import org.apache.airavata.xbaya.ThriftClientData;
 import org.apache.airavata.xbaya.ThriftServiceType;
@@ -50,7 +44,6 @@ import org.apache.airavata.xbaya.ui.widgets.GridPanel;
 import org.apache.airavata.xbaya.ui.widgets.XBayaLabel;
 import org.apache.airavata.xbaya.ui.widgets.XBayaTextArea;
 import org.apache.airavata.xbaya.ui.widgets.XBayaTextField;
-import org.apache.thrift.TException;
 
 public class RegistryWorkflowPublisherWindow {
 

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/WorkflowInterpreterLaunchWindow.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/WorkflowInterpreterLaunchWindow.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/WorkflowInterpreterLaunchWindow.java
index 5ae0c94..ed73d31 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/WorkflowInterpreterLaunchWindow.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/experiment/WorkflowInterpreterLaunchWindow.java
@@ -67,7 +67,6 @@ import javax.swing.JLabel;
 import javax.swing.JOptionPane;
 import javax.swing.JPanel;
 import javax.swing.border.EtchedBorder;
-import javax.xml.namespace.QName;
 import java.awt.event.ActionEvent;
 import java.util.ArrayList;
 import java.util.Collection;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/graph/GraphCanvas.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/graph/GraphCanvas.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/graph/GraphCanvas.java
index 6e89cbe..24f03ed 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/graph/GraphCanvas.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/graph/GraphCanvas.java
@@ -56,7 +56,6 @@ import javax.swing.JPanel;
 import javax.swing.JPopupMenu;
 import javax.swing.JScrollPane;
 
-import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
 import org.apache.airavata.common.utils.JSONUtil;
 import org.apache.airavata.common.utils.SwingUtil;
@@ -92,7 +91,6 @@ import org.apache.airavata.xbaya.ui.utils.ErrorMessages;
 import 
org.apache.airavata.xbaya.ui.widgets.component.ComponentSourceTransferable;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.infoset.XmlElement;
 
 
 /**

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/widgets/XBayaToolBar.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/widgets/XBayaToolBar.java
 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/widgets/XBayaToolBar.java
index 9f18440..ac7f034 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/widgets/XBayaToolBar.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/ui/widgets/XBayaToolBar.java
@@ -25,11 +25,9 @@ import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
-import java.util.Set;
 
 import javax.swing.AbstractAction;
 import javax.swing.BorderFactory;
@@ -47,8 +45,6 @@ import 
org.apache.airavata.workflow.model.wf.WorkflowExecutionState;
 import org.apache.airavata.xbaya.XBayaEngine;
 import org.apache.airavata.xbaya.ui.utils.ErrorMessages;
 
-import com.amazonaws.transform.MapEntry;
-
 public class XBayaToolBar implements XBayaComponent {
 
     private XBayaEngine engine;

http://git-wip-us.apache.org/repos/asf/airavata/blob/8d16d0ec/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/util/XBayaUtil.java
----------------------------------------------------------------------
diff --git 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/util/XBayaUtil.java 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/util/XBayaUtil.java
index c67a4c3..d004f18 100644
--- 
a/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/util/XBayaUtil.java
+++ 
b/modules/xbaya-gui/src/main/java/org/apache/airavata/xbaya/util/XBayaUtil.java
@@ -23,41 +23,26 @@ package org.apache.airavata.xbaya.util;
 
 import java.net.HttpURLConnection;
 import java.net.SocketTimeoutException;
-import java.net.URISyntaxException;
 import java.net.URL;
 import java.util.Collection;
-import java.util.Iterator;
 import java.util.List;
-import java.util.Map;
 
 import org.apache.airavata.api.Airavata;
 import org.apache.airavata.api.Airavata.Client;
 import org.apache.airavata.api.client.AiravataClientFactory;
 import org.apache.airavata.common.utils.StringUtil;
 import org.apache.airavata.model.error.AiravataClientConnectException;
-import org.apache.airavata.workflow.model.exceptions.WorkflowException;
 import org.apache.airavata.workflow.model.exceptions.WorkflowRuntimeException;
 import org.apache.airavata.workflow.model.graph.DataPort;
 import org.apache.airavata.workflow.model.graph.Node;
-import org.apache.airavata.workflow.model.graph.amazon.InstanceNode;
-import org.apache.airavata.workflow.model.graph.system.ConstantNode;
 import org.apache.airavata.workflow.model.graph.system.EndForEachNode;
-import org.apache.airavata.workflow.model.graph.system.EndifNode;
 import org.apache.airavata.workflow.model.graph.system.ForEachNode;
-import org.apache.airavata.workflow.model.graph.system.InputNode;
-import org.apache.airavata.workflow.model.wf.Workflow;
 import org.apache.airavata.xbaya.ThriftClientData;
 import org.apache.airavata.xbaya.ThriftServiceType;
-import org.apache.airavata.xbaya.XBayaConfiguration;
 import org.apache.airavata.xbaya.XBayaEngine;
 import org.apache.airavata.xbaya.ui.dialogs.registry.RegistryWindow;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import org.xmlpull.infoset.XmlElement;
-
-import xsul.lead.LeadContextHeader;
-import xsul.lead.LeadResourceMapping;
-import xsul5.XmlConstants;
 
 public class XBayaUtil {
 

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