Hi,

In my code i need to delete the memebership. I am using below code for deleting the membership but it is thrwoing error. Please help me on this.

Code:

=====

try{

           IdentitySession isession = helperBean.getIdentitySession();  

            User user = isession.getUserByName("test");

            Group group = isession.getGroupByName("test");

            Membership membership = new Membership();

            membership.setGroup(group);

            membership.setUser(user);

           isession.deleteEntity(memship);//deleting membership

}finally{           

            helperBean.getJbpmContext().close();

        }

Error thrown

=========

[4/28/11 12:11:44:802 IST] 00000116 SystemOut     O Membership id is: 2505User name is: testGroup Name is: test

[4/28/11 12:11:44:802 IST] 00000116 SystemOut     O Hibernate: select permission0_.ENTITY_ as ENTITY1_0_, permission0_.CLASS_ as CLASS2_0_, permission0_.NAME_ as NAME3_0_, permission0_.ACTION_ as ACTION4_0_ from JBPM_ID_PERMISSIONS permission0_ where permission0_.ENTITY_=?

[4/28/11 12:11:45:568 IST] 00000116 ServletWrappe E   SRVE0068E: Uncaught exception thrown in one of the service methods of the servlet: Test18. Exception thrown : org.jbpm.persistence.JbpmPersistenceException: transaction commit failed

    at org.jbpm.persistence.db.DbPersistenceService.endTransaction(DbPersistenceService.java:140)

    at org.jbpm.persistence.db.DbPersistenceService.close(DbPersistenceService.java:201)

    at org.jbpm.svc.Services.close(Services.java:247)

    at org.jbpm.JbpmContext.close(JbpmContext.java:131)

    at com.cisco.bpm.workflow.service.impl.JBPMUserManagementServiceImpl.removeUserFromGroup(JBPMUserManagementServiceImpl.java:567)

    at com.TestClass.<init>(TestClass.java:85)

    at Test18.doGet(Test18.java:32)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)

    at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

    at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1103)

    at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:570)

    at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:486)

    at com.ibm.ws.webcontainer.extension.InvokerExtensionProcessor.handleRequest(InvokerExtensionProcessor.java:449)

    at com.ibm.ws.webcontainer.webapp.WebApp.handleRequest(WebApp.java:3440)

    at com.ibm.ws.webcontainer.webapp.WebGroup.handleRequest(WebGroup.java:267)

    at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:815)

    at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1461)

    at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:118)

    at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458)

    at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:387)

    at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:267)

    at com.ibm.ws.ssl.channel.impl.SSLConnectionLink.determineNextChannel(SSLConnectionLink.java:1037)

    at com.ibm.ws.ssl.channel.impl.SSLConnectionLink$MyReadCompletedCallback.complete(SSLConnectionLink.java:644)

    at com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1818)

    at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)

    at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)

    at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)

    at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)

    at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:195)

    at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:743)

    at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:873)

    at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1473)

Caused by: org.hibernate.ObjectDeletedException: deleted object would be re-saved by cascade (remove deleted object from associations): [org.jbpm.identity.Membership#2502]

    at org.hibernate.impl.SessionImpl.forceFlush(SessionImpl.java:993)

    at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:168)

    at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:98)

    at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:70)

    at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:520)