diff --git a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
index 12ebd87..33d2225 100644
--- a/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
+++ b/src/main/java/org/gcube/portlets/user/td/gwtservice/server/TDGWTServiceImpl.java
@@ -82,6 +82,7 @@ import org.gcube.data.analysis.tabulardata.service.exception.NoSuchTemplateExcep
 import org.gcube.data.analysis.tabulardata.service.impl.TabularDataServiceFactory;
 import org.gcube.data.analysis.tabulardata.service.operation.Job;
 import org.gcube.data.analysis.tabulardata.service.operation.Task;
+import org.gcube.data.analysis.tabulardata.service.operation.TaskId;
 import org.gcube.data.analysis.tabulardata.service.tabular.HistoryStep;
 import org.gcube.data.analysis.tabulardata.service.tabular.HistoryStepId;
 import org.gcube.data.analysis.tabulardata.service.tabular.TabularResource;
@@ -6711,7 +6712,7 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 				logger.error("Error in getConnection(): No TableDescriptorMetadata found for table "+table);
 				throw new TDGWTServiceException("Error in getConnection(): No TableDescriptorMetadata found for table "+table);
 			}
-			if(tableDesc.getRefId()==0){
+	 		if(tableDesc.getRefId()==0){
 				logger.error("Error refId=0 for Table:"+table.toString());
 				throw new TDGWTServiceException("Error refId=0 for Table:"+table.toString());
 			}
@@ -6740,17 +6741,26 @@ public class TDGWTServiceImpl extends RemoteServiceServlet implements
 			HttpSession session = this.getThreadLocalRequest().getSession();
 			SessionUtil.setTaskResubmitSession(session, taskResubmitSession);
 			ASLSession aslSession = SessionUtil.getAslSession(session);
-
+			logger.debug("StartTaskResubmit: "+taskResubmitSession);
 			AuthorizationProvider.instance.set(new AuthorizationToken(
 					aslSession.getUsername()));
-			//TabularDataService service = TabularDataServiceFactory.getService();
+			TabularDataService service = TabularDataServiceFactory.getService();
 
-			//TRId trId=taskResubmitSession.getTrId();
+			if(taskResubmitSession==null){
+				logger.error("TaskResubmitSession is null");
+				throw new TDGWTServiceException("Error in resubmit task: TaskResubmitSession is null");
+			}
+			if(taskResubmitSession.getTaskId()==null
+				|| taskResubmitSession.getTaskId().isEmpty()){
+				logger.error("Task Id is: "+taskResubmitSession.getTaskId());
+				throw new TDGWTServiceException("Error in resubmit task, Task Id is: "+taskResubmitSession.getTaskId());
+			}
 			
-			//TabularResourceId serviceTR = new TabularResourceId(id);
-			//Task trTask = service.execute(invocation, serviceTR);
-			//logger.debug("Start Task on service: TaskId " + trTask.getId());
-			//SessionUtil.setTaskResubmitTask(session, trTask);
+			TaskId taskId=new TaskId(taskResubmitSession.getTaskId());
+			
+			Task trTask = service.resubmit(taskId);
+			logger.debug("Resubmit Task on service: TaskId " + trTask.getId());
+			SessionUtil.setTaskResubmitTask(session, trTask);
 			return;
 
 		} catch (TDGWTSessionExpiredException e) {