[jboss-user] [jBPM] - JBPM-Console Error org.jbpm.task.service.mina.MinaTaskClientConnector.write(MinaTaskClientConnector.java:118) when opening task form on external port.

[renez]

renez [https://community.jboss.org/people/renez] created the discussion

"JBPM-Console Error org.jbpm.task.service.mina.MinaTaskClientConnector.write(MinaTaskClientConnector.java:118) when opening task form on external port."

To view the discussion, visit: https://community.jboss.org/message/725743#725743

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Hi,

I create for my process a task form by guvnor/ designer. When I run my process using the local port  http://localhost:8080/jbpm-console/ http://localhost:8080/jbpm-console/ everything works fine:
 https://community.jboss.org/servlet/JiveServlet/showImage/2-725743-18261/screen8.png  https://community.jboss.org/servlet/JiveServlet/downloadImage/2-725743-18261/450-245/screen8.png 

But when I try to run the process on my external test server I got a strange behaviour:
* I get asked for credentials again
* When I enter them, I receive an error



org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException
 org.jboss.resteasy.core.SynchronousDispatcher.unwrapException(SynchronousDispatcher.java:345)
 org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:321)
 org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214)
 org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190)
 org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:534)
 org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496)
 org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)
 org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)
 org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
 org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
 org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)

root cause

java.lang.NullPointerException
 org.jbpm.task.service.mina.MinaTaskClientConnector.write(MinaTaskClientConnector.java:118)
 org.jbpm.task.service.TaskClient.getTask(TaskClient.java:83)
 org.jbpm.integration.console.forms.TaskFormDispatcher.provideForm(TaskFormDispatcher.java:73)
 org.jbpm.integration.console.forms.FormDispatcherComposite.provideForm(FormDispatcherComposite.java:50)
 org.jboss.bpm.console.server.FormProcessingFacade.provideForm(FormProcessingFacade.java:205)
 org.jboss.bpm.console.server.FormProcessingFacade.renderTaskUI(FormProcessingFacade.java:127)
 sun.reflect.GeneratedMethodAccessor161.invoke(Unknown Source)
 sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 java.lang.reflect.Method.invoke(Method.java:601)
 org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140)
 org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:255)
 org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:220)
 org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:209)
 org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:519)
 org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:496)
 org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)
 org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)
 org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
 org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:847)
 org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)




 https://community.jboss.org/servlet/JiveServlet/showImage/2-725743-18263/screen7.png  https://community.jboss.org/servlet/JiveServlet/downloadImage/2-725743-18263/450-415/screen7.png 
I read this posts:  https://community.jboss.org/message/643297#643297 https://community.jboss.org/message/643297#643297 but I don't have whitespaces in the task name.

Any suggestions?

Thank you,

René
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