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javax.persistence.PersistenceException: org.hibernate.exception.GenericJDBCException: Field ‘id’ doesn’t have a default value	at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1361)	at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1289)	at org.hibernate.ejb.AbstractEntityManagerImpl.convert(AbstractEntityManagerImpl.java:1295)	at org.hibernate.ejb.AbstractEntityManagerImpl.persist(AbstractEntityManagerImpl.java:859)	at org.jbpm.services.task.persistence.JPATaskPersistenceContext.persistTask(JPATaskPersistenceContext.java:83)	at org.jbpm.services.task.impl.TaskInstanceServiceImpl.addTask(TaskInstanceServiceImpl.java:103)	at org.jbpm.services.task.commands.AddTaskCommand.execute(AddTaskCommand.java:105)	at org.jbpm.services.task.commands.AddTaskCommand.execute(AddTaskCommand.java:53)	at org.jbpm.services.task.commands.TaskCommandExecutorImpl$SelfExecutionCommandService.execute(TaskCommandExecutorImpl.java:65)	at org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:41)	at org.jbpm.services.task.persistence.TaskTransactionInterceptor.execute(TaskTransactionInterceptor.java:53)	at org.jbpm.services.task.commands.TaskCommandExecutorImpl.execute(TaskCommandExecutorImpl.java:40)	at org.jbpm.services.task.impl.command.CommandBasedTaskService.addTask(CommandBasedTaskService.java:471)	at org.jbpm.runtime.manager.impl.task.SynchronizedTaskService.addTask(SynchronizedTaskService.java:456)	at org.jbpm.services.task.wih.LocalHTWorkItemHandler.executeWorkItem(LocalHTWorkItemHandler.java:60)	at org.drools.persistence.jpa.processinstance.JPAWorkItemManager.internalExecuteWorkItem(JPAWorkItemManager.java:56)	at org.jbpm.workflow.instance.node.WorkItemNodeInstance.internalTrigger(WorkItemNodeInstance.java:124)	at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:155)	at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerNodeInstance(NodeInstanceImpl.java:337)	at org.jbpm.workflow.instance.impl.NodeInstanceImpl.triggerCompleted(NodeInstanceImpl.java:296)	at org.jbpm.workflow.instance.node.StartNodeInstance.triggerCompleted(StartNodeInstance.java:66)	at org.jbpm.workflow.instance.node.StartNodeInstance.internalTrigger(StartNodeInstance.java:43)	at org.jbpm.workflow.instance.impl.NodeInstanceImpl.trigger(NodeInstanceImpl.java:155)	at org.jbpm.ruleflow.instance.RuleFlowProcessInstance.internalStart(RuleFlowProcessInstance.java:35)	at org.jbpm.process.instance.impl.ProcessInstanceImpl.start(ProcessInstanceImpl.java:222)	at org.jbpm.workflow.instance.impl.WorkflowProcessInstanceImpl.start(WorkflowProcessInstanceImpl.java:358)	at org.jbpm.process.instance.ProcessRuntimeImpl.startProcessInstance(ProcessRuntimeImpl.java:189)	at org.jbpm.process.instance.ProcessRuntimeImpl.startProcess(ProcessRuntimeImpl.java:171)	at org.drools.core.common.AbstractWorkingMemory.startProcess(AbstractWorkingMemory.java:1580)	at org.drools.core.impl.StatefulKnowledgeSessionImpl.startProcess(StatefulKnowledgeSessionImpl.java:366)	at org.drools.core.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:121)	at org.drools.core.command.runtime.process.StartProcessCommand.execute(StartProcessCommand.java:40)	at org.drools.core.command.impl.DefaultCommandService.execute(DefaultCommandService.java:36)	at org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:41)	at org.drools.persistence.SingleSessionCommandService$TransactionInterceptor.execute(SingleSessionCommandService.java:527)	at org.drools.core.command.impl.AbstractInterceptor.executeNext(AbstractInterceptor.java:41)	at org.drools.persistence.jpa.OptimisticLockRetryInterceptor.execute(OptimisticLockRetryInterceptor.java:73)	at org.drools.persistence.SingleSessionCommandService.execute(SingleSessionCommandService.java:375)	at org.drools.core.command.impl.CommandBasedStatefulKnowledgeSession.startProcess(CommandBasedStatefulKnowledgeSession.java:232)	at org.jbpm.console.ng.bd.backend.server.KieSessionEntryPointImpl.startProcess(KieSessionEntryPointImpl.java:74)	at org.jbpm.console.ng.bd.backend.server.KieSessionEntryPointImpl$Proxy$_$$_WeldClientProxy.startProcess(KieSessionEntryPointImpl$Proxy$_$$_WeldClientProxy.java)	at org.jbpm.console.ng.ht.backend.server.FormModelerProcessStarterEntryPointImpl.startProcessFromRenderContext(FormModelerProcessStarterEntryPointImpl.java:44)	at org.jbpm.console.ng.ht.backend.server.FormModelerProcessStarterEntryPointImpl$Proxy$_$$_WeldClientProxy.startProcessFromRenderContext(FormModelerProcessStarterEntryPointImpl$Proxy$_$$_WeldClientProxy.java)	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:597)	at org.jboss.errai.bus.server.io.AbstractRPCMethodCallback.invokeMethodFromMessage(AbstractRPCMethodCallback.java:48)	at org.jboss.errai.bus.server.io.ValueReplyRPCEndpointCallback.callback(ValueReplyRPCEndpointCallback.java:22)	at org.jboss.errai.bus.server.io.RemoteServiceCallback.callback(RemoteServiceCallback.java:54)	at org.jboss.errai.cdi.server.CDIExtensionPoints$3.callback(CDIExtensionPoints.java:499)	at org.jboss.errai.bus.server.DeliveryPlan.deliver(DeliveryPlan.java:47)	at org.jboss.errai.bus.server.ServerMessageBusImpl.sendGlobal(ServerMessageBusImpl.java:284)	at org.jboss.errai.bus.server.SimpleDispatcher.dispatchGlobal(SimpleDispatcher.java:46)	at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:92)	at org.jboss.errai.bus.server.service.ErraiServiceImpl.store(ErraiServiceImpl.java:109)	at org.jboss.errai.bus.server.servlet.DefaultBlockingServlet.doPost(DefaultBlockingServlet.java:140)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:754)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:847)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.jboss.weld.servlet.ConversationPropagationFilter.doFilter(ConversationPropagationFilter.java:62)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.jboss.solder.servlet.exception.CatchExceptionFilter.doFilter(CatchExceptionFilter.java:65)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.jboss.solder.servlet.event.ServletEventBridgeFilter.doFilter(ServletEventBridgeFilter.java:74)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.jbpm.designer.web.filter.impl.PluggableFilter.doFilter(PluggableFilter.java:70)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.uberfire.security.server.UberFireSecurityFilter.doFilter(UberFireSecurityFilter.java:266)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:489)	at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50)	at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)	at org.apache.catalina.authenticator.SingleSignOn.invoke(SingleSignOn.java:416)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368)	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877)	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671)	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930)	at java.lang.Thread.run(Thread.java:662)