jBpm EJB Cluster configuration
tranceaddict Jan 14, 2005 4:29 PMHi everybody.
I'm developing a web application on Tomcat based on jBoss jBpm, and I would like to create a jBpm EJB cluster to access it remotely from the application.
Here is what I've done to configure it:
I executed the ant deploy command in my ejb directory inside my jBpm proyect. This deployed de ejb.module into JBoss. I added the ejb.client and every jboss/client .jar archive to my web application WEB-INF/lib directory.
I configured the jbpm-jboss cluster host IP with the required IP address, in jbpm-ds.xml file (as explained in jBpm web page documentation). I configure it for my localhost Ip and port 1701.
I deployed the jBpm process archives on jBpm.
I execute the client remote call from the web application on running on a Tomcat instance in the same machine where the jboss cluster server is (I only have one machine).
When doing it, I get this exception:
javax.naming.CommunicationException: Failed to retrieve stub from server 172.25.7.224:1100 [Root exception is java.io.StreamCorruptedException: unexpected block data]
at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:207)
at org.jnp.interfaces.NamingContext.discoverServer(NamingContext.java:1111)
at org.jnp.interfaces.NamingContext.checkRef(NamingContext.java:1196)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:516)
at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:509)
at javax.naming.InitialContext.lookup(InitialContext.java:347)
at org.jbpm.ejb.JbpmEjbServiceLocator.getExecutionServiceRemote(JbpmEjbServiceLocator.java:35)
at com.ga.gms.services.integration.modificaciones.ModificacionesEjbService.startProcesoModificaciones(ModificacionesEjbService.java:95)
at com.ga.gms.services.integration.modificaciones.ModificacionesEjbService.requestModificaciones(ModificacionesEjbService.java:47)
at com.ga.gms.services.integration.modificaciones.ObtenerModificaciones.getModificaciones(ObtenerModificaciones.java:30)
at com.ga.gms.web.ordenestrabajo.ordenestrabajo.actions.OrdenesTrabajoViewAction.execute(OrdenesTrabajoViewAction.java:89)
at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1480)
at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:506)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:284)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204)
at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:305)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:233)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:257)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:245)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:199)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:184)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)
at org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:206)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:833)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:732)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:619)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:688)
at java.lang.Thread.run(Thread.java:534)
Caused by: java.io.StreamCorruptedException: unexpected block data
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1288)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1845)
at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:1769)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1646)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1274)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:324)
at java.rmi.MarshalledObject.get(MarshalledObject.java:135)
at org.jnp.interfaces.NamingContext.getServer(NamingContext.java:196)
... 43 more
I'm accesing port 1100 on client, and on server I put 1701. I don't know if this is write, but I put it as it was written in the jBpm ejb example.
I also tried to deploy the jBpm ejb example application that comes with jBpm package, I run the tests and it works, so I must be doing something wrong with my application that I cannot acced to the cluster.
I hope anyone can help me.
Thanks in advance.
Regards.