"nuvole" wrote : Hi, all~! | I'm using jbpm4-beta2 version and jpdl java activity. | but i don't know how java activity invoke method with Object type argument. | | <?xml version="1.0" encoding="UTF-8"?> | | | | <process name="Java" xmlns="http://jbpm.org/4.0/jpdl"> | | | | <start g="20,20,48,48"> | | <transition name="" to="invoke java method"/> | | </start> | | | | <java class="com.xener.jbpm.JohnDoe" g="96,16,127,52" method="hello" name="invoke java method" var="answer"> | | | | <field name="state"><string value="fine"/></field> | | <field name="session"><env type="org.hibernate.Session"/></field> | | | | <arg> | | <object class="com.xener.jbpm.JohnDoeMsg"> | | <field name="msg"><string value="#{msgObject}"/></field> | | </object> | | </arg> | | | | <transition name="" to="wait"/> | | | | </java> | | | | <state g="255,16,88,52" name="wait"/> | | | | </process> | | but this error occured: | | | 16:38:12,187 ERROR [STDERR] org.hibernate.HibernateException: instance not of expected entity type: | | org.jbpm.pvm.internal.type.variable.UnpersistableVariable is not a: org.jbpm.pvm.internal.type.Vari | | ble | | at org.hibernate.persister.entity.AbstractEntityPersister.getSubclassEntityPersister(Abstra | | tEntityPersister.java:3663) | | at org.hibernate.impl.SessionImpl.getEntityPersister(SessionImpl.java:1374) | | at org.hibernate.engine.ForeignKeys.isTransient(ForeignKeys.java:203) | | at org.hibernate.event.def.AbstractSaveEventListener.getEntityState(AbstractSaveEventListen | | r.java:535) | | at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.performSaveOrUpdate(DefaultSave | | rUpdateEventListener.java:103) | | at org.hibernate.event.def.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpd | | teEventListener.java:93) | | at org.hibernate.impl.SessionImpl.fireSaveOrUpdate(SessionImpl.java:534) | | at org.hibernate.impl.SessionImpl.saveOrUpdate(SessionImpl.java:526) | | at org.hibernate.engine.CascadingAction$5.cascade(CascadingAction.java:241) | | at org.hibernate.engine.Cascade.cascadeToOne(Cascade.java:291) | | at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:239) | | at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:192) | | at org.hibernate.engine.Cascade.cascadeCollectionElements(Cascade.java:319) | | at org.hibernate.engine.Cascade.cascadeCollection(Cascade.java:265) | | at org.hibernate.engine.Cascade.cascadeAssociation(Cascade.java:242) | | at org.hibernate.engine.Cascade.cascadeProperty(Cascade.java:192) | | at org.hibernate.engine.Cascade.cascade(Cascade.java:153) | | at org.hibernate.event.def.AbstractFlushingEventListener.cascadeOnFlush(AbstractFlushingEve | | tListener.java:154) | | at org.hibernate.event.def.AbstractFlushingEventListener.prepareEntityFlushes(AbstractFlush | | ngEventListener.java:145) | | at org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(Abstra | | tFlushingEventListener.java:88) | | at org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java | | 49) | | at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1027) | | at org.jbpm.pvm.internal.tx.HibernateSessionResource.prepare(HibernateSessionResource.java: | | 4) | | at org.jbpm.pvm.internal.tx.StandardTransaction.commit(StandardTransaction.java:106) | | at org.jbpm.pvm.internal.tx.StandardTransaction.complete(StandardTransaction.java:65) | | at org.jbpm.pvm.internal.tx.StandardTransactionInterceptor.execute(StandardTransactionInter | | eptor.java:61) | | at org.jbpm.pvm.internal.svc.EnvironmentInterceptor.execute(EnvironmentInterceptor.java:54) | | at org.jbpm.pvm.internal.svc.RetryInterceptor.execute(RetryInterceptor.java:55) | | at org.jbpm.pvm.internal.svc.ExecutionServiceImpl.startProcessInstanceByKey(ExecutionServic | | Impl.java:72) | | at com.xener.jbpm.JavaInstantiateTest.testJavaInstantiate(JavaInstantiateTest.java:65) | | at com.xener.jbpm.web.JBPMServlet.doGet(JBPMServlet.java:23) | | at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) | | at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) | | at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain. | | ava:290) | | 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. | | ava: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.j | | va:190) | | at org.jboss.web.tomcat.security.JaccContextValve.invoke(JaccContextValve.java:92) | | at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.process(SecurityContextE | | tablishmentValve.java:126) | | at org.jboss.web.tomcat.security.SecurityContextEstablishmentValve.invoke(SecurityContextEs | | ablishmentValve.java:70) | | 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 | | 158) | | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) | | at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:330) | | at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:829) | | at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.j | | va:601) | | at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:447) | | at java.lang.Thread.run(Thread.java:619) | | | | Thanks for any help~! View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4233811#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...