HI, I use JSF,EJB with Hibernate as Persistence Provider and MySQL 5.
In my Entity CmtUser I have a list with groups: | @ManyToMany(mappedBy="members", fetch=FetchType.EAGER) | @IndexColumn(name="INDEX_COL") | private List <CmtGroup> groups = new ArrayList<CmtGroup>(); and in my entity CmtGroup I have a List with members @ManyToMany(fetch=FetchType.EAGER,cascade=CascadeType.ALL) | @IndexColumn(name="INDEX_COL") | private Set<CmtUser> members = new HashSet<CmtUser>(); | So there is a join table for this relation (generated): groups_id | members_id | INDEX_COL If I now try to persist this relation I get the following error: 11:31:05,515 WARN [JDBCExceptionReporter] SQL Error: 1364, SQLState: HY000 | 11:31:05,515 ERROR [JDBCExceptionReporter] Field 'INDEX_COL' doesn't have a default value | 11:31:05,515 ERROR [AbstractFlushingEventListener] Could not synchronize database state with session | org.hibernate.exception.GenericJDBCException: Could not execute JDBC batch update | at org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126) | at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114) | at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66) | at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:275) | at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:266) | at org.hibernate.engine.ActionQueue.executeActions(ActionQueue.java:170) | at org.hibernate.event.def.AbstractFlushingEventListener.performExecutions(AbstractFlushingEventListener.java:321) | at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:50) | at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027) | at org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:365) | at org.hibernate.ejb.AbstractEntityManagerImpl$1.beforeCompletion(AbstractEntityManagerImpl.java:504) | at com.arjuna.ats.internal.jta.resources.arjunacore.SynchronizationImple.beforeCompletion(SynchronizationImple.java:101) | at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.beforeCompletion(TwoPhaseCoordinator.java:263) | at com.arjuna.ats.arjuna.coordinator.TwoPhaseCoordinator.end(TwoPhaseCoordinator.java:86) | at com.arjuna.ats.arjuna.AtomicAction.commit(AtomicAction.java:177) | at com.arjuna.ats.internal.jta.transaction.arjunacore.TransactionImple.commitAndDisassociate(TransactionImple.java:1414) | at com.arjuna.ats.internal.jta.transaction.arjunacore.BaseTransaction.commit(BaseTransaction.java:135) | at com.arjuna.ats.jbossatx.BaseTransactionManagerDelegate.commit(BaseTransactionManagerDelegate.java:75) | at org.jboss.aspects.tx.TxPolicy.endTransaction(TxPolicy.java:170) | at org.jboss.aspects.tx.TxPolicy.invokeInOurTx(TxPolicy.java:87) | at org.jboss.aspects.tx.TxInterceptor$Required.invoke(TxInterceptor.java:190) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.aspects.tx.TxPropagationInterceptor.invoke(TxPropagationInterceptor.java:76) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.ejb3.tx.NullInterceptor.invoke(NullInterceptor.java:42) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.ejb3.security.Ejb3AuthenticationInterceptorv2.invoke(Ejb3AuthenticationInterceptorv2.java:157) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.ejb3.ENCPropagationInterceptor.invoke(ENCPropagationInterceptor.java:41) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.ejb3.asynchronous.AsynchronousInterceptor.invoke(AsynchronousInterceptor.java:106) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.ejb3.BlockContainerShutdownInterceptor.invoke(BlockContainerShutdownInterceptor.java:65) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.aspects.currentinvocation.CurrentInvocationInterceptor.invoke(CurrentInvocationInterceptor.java:67) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.ejb3.stateless.StatelessContainer.dynamicInvoke(StatelessContainer.java:462) | at org.jboss.ejb3.remoting.IsLocalInterceptor.invokeLocal(IsLocalInterceptor.java:97) | at org.jboss.ejb3.remoting.IsLocalInterceptor.invoke(IsLocalInterceptor.java:74) | at org.jboss.aop.joinpoint.MethodInvocation.invokeNext(MethodInvocation.java:102) | at org.jboss.aspects.remoting.PojiProxy.invoke(PojiProxy.java:62) | at $Proxy201.invoke(Unknown Source) | at org.jboss.ejb3.proxy.handler.session.SessionSpecProxyInvocationHandlerBase.invoke(SessionSpecProxyInvocationHandlerBase.java:125) | at $Proxy203.updateGroup(Unknown Source) | at de.cmt.managedBeans.GroupBean.updateGroup(GroupBean.java:92) | at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) | at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:585) | at org.apache.el.parser.AstValue.invoke(AstValue.java:170) | at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:276) | at com.sun.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:68) | at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88) | at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102) | at javax.faces.component.UICommand.broadcast(UICommand.java:387) | at org.ajax4jsf.component.AjaxViewRoot.processEvents(AjaxViewRoot.java:321) | at org.ajax4jsf.component.AjaxViewRoot.broadcastEvents(AjaxViewRoot.java:296) | at org.ajax4jsf.component.AjaxViewRoot.processPhase(AjaxViewRoot.java:253) | at org.ajax4jsf.component.AjaxViewRoot.processApplication(AjaxViewRoot.java:466) | at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:82) | at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:100) | at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) | at javax.faces.webapp.FacesServlet.service(FacesServlet.java:265) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.ajax4jsf.webapp.BaseXMLFilter.doXmlFilter(BaseXMLFilter.java:177) | at org.ajax4jsf.webapp.BaseFilter.handleRequest(BaseFilter.java:267) | at org.ajax4jsf.webapp.BaseFilter.processUploadsAndHandleRequest(BaseFilter.java:380) | at org.ajax4jsf.webapp.BaseFilter.doFilter(BaseFilter.java:507) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.jboss.web.tomcat.filters.ReplyHeaderFilter.doFilter(ReplyHeaderFilter.java:96) | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235) | at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:235) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) | at org.jboss.web.tomcat.security.SecurityAssociationValve.invoke(SecurityAssociationValve.java:189) | at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525) | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:91) | at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEstablishmentValve.java:92) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) | at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) | at org.jboss.web.tomcat.service.jca.CachedConnectionValve.invoke(CachedConnectionValve.java:157) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:325) | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828) | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:601) | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) | at java.lang.Thread.run(Thread.java:595) | Caused by: java.sql.BatchUpdateException: Field 'INDEX_COL' doesn't have a default value | at com.mysql.jdbc.PreparedStatement.executeBatchSerially(PreparedStatement.java:1269) | at com.mysql.jdbc.PreparedStatement.executeBatch(PreparedStatement.java:955) | at org.jboss.resource.adapter.jdbc.WrappedStatement.executeBatch(WrappedStatement.java:774) | at org.hibernate.jdbc.BatchingBatcher.doExecuteBatch(BatchingBatcher.java:70) | at org.hibernate.jdbc.AbstractBatcher.executeBatch(AbstractBatcher.java:268) | ... 85 more | I have got another relation which is very similar to this and there it works: Course.java @ManyToMany(fetch=FetchType.EAGER) | @IndexColumn(name="INDEX_COL") | private List<CmtUser> participants = new ArrayList<CmtUser>(); CmtUser.java @ManyToMany(mappedBy="participants", fetch=FetchType.EAGER) @IndexColumn(name="INDEX_COL") | private List <Course> courses = new ArrayList<Course>(); Thanks for your ideas, Nicki View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4196511#4196511 Reply to the post : 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