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aheomzfnceogvvweaaaaa(a)technodom.kz
17 years, 11 months
[EJB/JBoss] - Re: RMI Dynamic Classloading
by dubacher
Hi there.
Unfortunately nobody replied to my initial post. With this post I would like to precise my initial post, hoping that somebody can help me:
My setup:
I have a JBoss (version 4.2.2) to which a war-file is deployed. The war-file contains a ServletContextListener which registers a ServerAccessService class in JNDI on startup. The ServerAccessService class extends from UnicastRemoteObject. So methods defined on ServerAccessService are accessible via RMI from remote clients. So far so good...
What do I want to do?
Let's assume ServerAccessService provides a method "public Foo getFoo (int id)". This method will return an instance of FooImpl which implements Foo. On the remote client I would like to deploy the Foo interface only (and not the class FooImpl). As RMI provides the feature of dynamic class loading it should be possible that FooImpl is loaded from the server as soon as an instance of FooImpl is transmitted to the client. So to wrap it up: When the remote client calls "getFoo(..)" it will get an instance of "FooImpl" which class should be dynamically loaded from the server.
The problem:
It doesn't work out!!! The configuration of the WebService in JBoss is as far as I know correct. WebService is running on port 8083; I also tried to load the class with the tomcat server running on 8080; the system property java.rmi.server.codebase is set etc.
So now to my investigations:
When the FooImpl class is transmitted to the client, a codebase property is sent along with the instance (The codebase is finally used on the client as a hint where to load the class from). But different from the classes like ArrayList etc. the codebase of FooImpl is not something like "http://myserver:8083" or "http://myserver:8080" but something like "file:/..............". So why that? The reason are ClassLoaders... obviously. When annotating the instances transmitted back to the client with the codebase, something like the following stack trace shows is executed:
Daemon System Thread [RMI TCP Connection(6)-10.130.202.179] (Suspended) LoaderHandler.getClassAnnotation(Class)
line: 174 RMIClassLoader$2.getClassAnnotation(Class<?>)
line: 639 JBossRMIClassLoader.getClassAnnotation(Class) line: 112 RMIClassLoader.getClassAnnotation(Class<?>)
line: 364 ConnectionOutputStream(MarshalOutputStream).annotateClass(Class<?>)
line: 75 ConnectionOutputStream(ObjectOutputStream).writeNonProxyDesc(ObjectStreamClass, boolean)
line: 1250 ConnectionOutputStream(ObjectOutputStream).writeClassDesc(ObjectStreamClass, boolean)
line: 1203 ConnectionOutputStream(ObjectOutputStream).writeOrdinaryObject(Object, ObjectStreamClass, boolean)
line: 1387 ConnectionOutputStream(ObjectOutputStream).writeObject0(Object, boolean)
line: 1150 ConnectionOutputStream(ObjectOutputStream).writeObject(Object)
line: 326 UnicastRef.marshalValue(Class<?>, Object, ObjectOutput) line: 274 UnicastServerRef.dispatch(Remote, RemoteCall)
line: 315 ........
Ok. So far so "good". Classes like ArrayList are loaded initially loaded by "SystemClassLoaders" but the class FooImpl is loaded by theWebAppClassLoader (yes you are the author of this class :-)). In the class LoaderHandler the "SystemClassLoader" are registered to return the defined codebase (i.e. the one defined with java.rmi.server.codebase) when the method getClassAnnotation is called. The WebAppClassLoader however doesn't belong to this list. That's why the LoaderHandler will return as codebase the URLs returned by the method WebAppClassLoader(URLClassLoader).getURLs. This is obviously something like "file:/...".
So the client gets a instance of FooImpl and its classes codebase is something like "file:/....". Obviously it cannot find the class FooImpl on the local file system as it has not been deployed > ClassNotFoundException is final result.
The question now: How do I solve this problem?
- Do I need to configure my app differently so that the LoaderHandler will return the codebase defined by java.rmi.server.codebase for the WebAppClassLoader as well?
- Is dynamic class loading not intended to be used with applications deployed as war?
- ...?
View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4164171#4164171
Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4164171
17 years, 11 months
[JBoss jBPM] - Re: How to deploy a BPEL process using the APIs?
by dhanushgopinath
Hello Alex,
Thanks Again. I actually followed the hibernate configuration route. Now my sample code is running. But even though the line builder.buildModule(processDefinition); in the deployWebModule method will execute without any exception, it causes a server side exception to be thrown, which is as given below.
14:15:12,272 INFO [ServiceEndpointManager] WebService stopped: http://127.0.0.1:9090/Workflow3/StartWorkflow3PortTypeRole
| 14:15:12,272 INFO [ServiceEndpointManager] WebService stopped: http://127.0.0.1:9090/Workflow3/ReceiveWS2CBServicePortRole
| 14:15:12,272 INFO [ServiceEndpointManager] WebService stopped: http://127.0.0.1:9090/Workflow3/ReceiveWS1CBServicePortRole
| 14:15:12,272 INFO [ServiceEndpointManager] WebService stopped: http://127.0.0.1:9090/Workflow3/ReceiveWS3CBServicePortRole
| 14:15:13,224 INFO [TomcatDeployer] deploy, ctxPath=/Workflow3, warUrl=.../tmp/deploy/tmp9437Workflow3-exp.war/
| 14:15:13,396 ERROR [[/Workflow3]] Exception sending context initialized event to listener instance of class org.jbpm.bpel.integration.server.IntegrationConfigurator
| org.jbpm.bpel.BpelException: process not found: name=Workflow3, targetNamespace=http://www.altair.com/Workflow3, version=null
| at org.jbpm.bpel.deploy.DeploymentDescriptor.findProcessDefinition(DeploymentDescriptor.java:89)
| at org.jbpm.bpel.integration.server.IntegrationConfigurator.contextInitialized(IntegrationConfigurator.java:56)
| at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3854)
| at org.apache.catalina.core.StandardContext.start(StandardContext.java:4359)
| at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:761)
| at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:741)
| at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:553)
| 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.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297)
| at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:164)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.apache.catalina.core.StandardContext.init(StandardContext.java:5310)
| 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.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:297)
| at org.jboss.mx.server.RawDynamicInvoker.invoke(RawDynamicInvoker.java:164)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.web.tomcat.service.TomcatDeployer.performDeployInternal(TomcatDeployer.java:301)
| at org.jboss.web.tomcat.service.TomcatDeployer.performDeploy(TomcatDeployer.java:104)
| at org.jboss.web.AbstractWebDeployer.start(AbstractWebDeployer.java:375)
| at org.jboss.web.WebModule.startModule(WebModule.java:83)
| at org.jboss.web.WebModule.startService(WebModule.java:61)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
| 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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
|
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
| at $Proxy0.start(Unknown Source)
| at org.jboss.system.ServiceController.start(ServiceController.java:417)
| at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy45.start(Unknown Source)
| at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:466)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
| at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
| at org.jboss.ws.integration.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:93)
| at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
| at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy46.start(Unknown Source)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
| at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy9.deploy(Unknown Source)
| at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
| at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:610)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
| 14:15:13,817 ERROR [StandardContext] Error listenerStart
| 14:15:13,817 ERROR [StandardContext] Context [/Workflow3] startup failed due to previous errors
| 14:15:13,817 WARN [ServiceController] Problem starting service jboss.web.deployment:war=Workflow3.war,id=1423543122
| org.jboss.deployment.DeploymentException: URL file:/D:/JBOSS/jboss-4.2.0.GA/server/default/tmp/deploy/tmp9437Workflow3-exp.war/ deployment failed
| at org.jboss.web.tomcat.service.TomcatDeployer.performDeployInternal(TomcatDeployer.java:379)
| at org.jboss.web.tomcat.service.TomcatDeployer.performDeploy(TomcatDeployer.java:104)
| at org.jboss.web.AbstractWebDeployer.start(AbstractWebDeployer.java:375)
| at org.jboss.web.WebModule.startModule(WebModule.java:83)
| at org.jboss.web.WebModule.startService(WebModule.java:61)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
| 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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
| at $Proxy0.start(Unknown Source)
| at org.jboss.system.ServiceController.start(ServiceController.java:417)
| at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy45.start(Unknown Source)
| at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:466)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
|
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
| at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
| at org.jboss.ws.integration.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:93)
| at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
| at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
|
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy46.start(Unknown Source)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
| at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy9.deploy(Unknown Source)
| at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
| at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:610)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
| 14:15:13,833 ERROR [MainDeployer] Could not start deployment: file:/D:/JBOSS/jboss-4.2.0.GA/server/default/deploy/Workflow3.war
| org.jboss.deployment.DeploymentException: URL file:/D:/JBOSS/jboss-4.2.0.GA/server/default/tmp/deploy/tmp9437Workflow3-exp.war/ deployment failed
| at org.jboss.web.tomcat.service.TomcatDeployer.performDeployInternal(TomcatDeployer.java:379)
| at org.jboss.web.tomcat.service.TomcatDeployer.performDeploy(TomcatDeployer.java:104)
| at org.jboss.web.AbstractWebDeployer.start(AbstractWebDeployer.java:375)
| at org.jboss.web.WebModule.startModule(WebModule.java:83)
| at org.jboss.web.WebModule.startService(WebModule.java:61)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalStart(ServiceMBeanSupport.java:289)
| at org.jboss.system.ServiceMBeanSupport.jbossInternalLifecycle(ServiceMBeanSupport.java:245)
| 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.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.system.ServiceController$ServiceProxy.invoke(ServiceController.java:978)
| at $Proxy0.start(Unknown Source)
| at org.jboss.system.ServiceController.start(ServiceController.java:417)
| at sun.reflect.GeneratedMethodAccessor9.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:86)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy45.start(Unknown Source)
| at org.jboss.web.AbstractWebContainer.start(AbstractWebContainer.java:466)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:97)
| at org.jboss.system.InterceptorServiceMBeanSupport.invokeNext(InterceptorServiceMBeanSupport.java:238)
| at org.jboss.ws.integration.jboss42.DeployerInterceptor.start(DeployerInterceptor.java:93)
| at org.jboss.deployment.SubDeployerInterceptorSupport$XMBeanInterceptor.start(SubDeployerInterceptorSupport.java:188)
| at org.jboss.deployment.SubDeployerInterceptor.invoke(SubDeployerInterceptor.java:95)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy46.start(Unknown Source)
| at org.jboss.deployment.MainDeployer.start(MainDeployer.java:1025)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:819)
| at org.jboss.deployment.MainDeployer.deploy(MainDeployer.java:782)
| at sun.reflect.GeneratedMethodAccessor18.invoke(Unknown Source)
| at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.mx.interceptor.ReflectedDispatcher.invoke(ReflectedDispatcher.java:155)
| at org.jboss.mx.server.Invocation.dispatch(Invocation.java:94)
| at org.jboss.mx.interceptor.AbstractInterceptor.invoke(AbstractInterceptor.java:133)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.interceptor.ModelMBeanOperationInterceptor.invoke(ModelMBeanOperationInterceptor.java:142)
| at org.jboss.mx.server.Invocation.invoke(Invocation.java:88)
| at org.jboss.mx.server.AbstractMBeanInvoker.invoke(AbstractMBeanInvoker.java:264)
| at org.jboss.mx.server.MBeanServerImpl.invoke(MBeanServerImpl.java:659)
| at org.jboss.mx.util.MBeanProxyExt.invoke(MBeanProxyExt.java:210)
| at $Proxy9.deploy(Unknown Source)
| at org.jboss.deployment.scanner.URLDeploymentScanner.deploy(URLDeploymentScanner.java:421)
| at org.jboss.deployment.scanner.URLDeploymentScanner.scan(URLDeploymentScanner.java:610)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.doScan(AbstractDeploymentScanner.java:263)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.loop(AbstractDeploymentScanner.java:274)
| at org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread.run(AbstractDeploymentScanner.java:225)
|
Any idea why this is happening ? Please let me know if you have some idea. Meanwhile I will try the other route you mentioned.
Thanks Again
Dhanush
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17 years, 11 months
Delivery Status Notification (Failure)
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17 years, 11 months
Delivery Status Notification (Failure)
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17 years, 11 months
[JBoss jBPM] - My experience to promote jBPM on a large scale project
by fmarchioni
Dear all,
sorry for pestering so much the forum today :-)
Not talking about bugs but I'd like to share "commercial" thoughts about jBPM. I have completed an analysis for re-engineering a BPM application which is using the old Oracle Workflow tool.
Though I have been able to explain to the management that jBPM is a layer to your processes written in Java which makes it quite flexible, scalable, easy to integrate with a mix of systems via the Service Bus etc. etc. critics came about the graphical interface of jBPM-plugin which is poor.
The Java 2D graphics isn't much exciting and it's not easy to draw very large processes with the Eclipse plugin, worse then all, all the Nodes are drawn with the same square icon while on huge workflows every kind of node has a different icon and that's important because the User can understand much better the workflow when the icons are comprensive and clear.
Ok, you can use every kind of editor to draw your process and let the developer translate into into jPDL's XML.
Ok but at runtime ? ok do you show your workflow using the same graphics ? and most important you should be able to interact with the workflow for example clicking on Nodes you might get info / unlock a Node etc.
I have suggested to invest a little of the budget on creating a plugin (written in Flash since they like silly nice-looking gadgets :-) ) that draws an interactive client for the Workflow, based on the jPDL and the Process runtime data.
Yet the management is not quite convinced about jBPM and honestly speaking some critics about the graphical interface I think are true, or at least appear true for the basic user.
What do you think about it ?
Thanks for your time
Francesco
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17 years, 11 months
