[jboss-user] [jBPM] - Problem when deploying a jbpm web app into jboss

[Hongsi Hu]

Hongsi Hu [https://community.jboss.org/people/crazyindark] created the document:

"Problem when deploying a jbpm web app into jboss"

To view the document, visit: https://community.jboss.org/docs/DOC-48734

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Hi all
    I'm a newbie to jBPM & jBoss,
    I used jBPM installer and tested it well, but then I try to develop a web-app myself, so I download this  https://community.jboss.org/people/bpmn2user/blog/2011/09/21/jbpm5-web-example#comment-12030 https://community.jboss.org/people/bpmn2user/blog/2011/09/21/jbpm5-web-example#comment-12030 example.  I made war package and put it into jboss deployment folder,  but it keeps failing.  The log says: 

16:47:04,169 ERROR [org.jboss.msc.service.fail] (MSC service thread 1-2) MSC00001: Failed to start service jboss.deployment.unit."jbpm5webexample.war".INSTALL: org.jboss.msc.service.StartException in service jboss.deployment.unit."jbpm5webexample.war".INSTALL: *Failed to process phase INSTALL of deployment "jbpm5webexample.war"*
          at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:119) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
          at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_17]
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_17]
          at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_17]
Caused by: org.jboss.as.server.deployment.DeploymentUnitProcessingException: *JBAS011446: Failed to add persistence unit service for org.jbpm.task*
          at org.jboss.as.jpa.processor.PersistenceUnitDeploymentProcessor.deployPersistenceUnit(PersistenceUnitDeploymentProcessor.java:383)
          at org.jboss.as.jpa.processor.PersistenceUnitDeploymentProcessor.addPuService(PersistenceUnitDeploymentProcessor.java:258)
          at org.jboss.as.jpa.processor.PersistenceUnitDeploymentProcessor.handleWarDeployment(PersistenceUnitDeploymentProcessor.java:194)
          at org.jboss.as.jpa.processor.PersistenceUnitDeploymentProcessor.deploy(PersistenceUnitDeploymentProcessor.java:118)
          at org.jboss.as.server.deployment.DeploymentUnitPhaseService.start(DeploymentUnitPhaseService.java:113) [jboss-as-server-7.1.1.Final.jar:7.1.1.Final]
          ... 5 more
Caused by: org.jboss.msc.service.DuplicateServiceException: *Service jboss.persistenceunit."jbpm5webexample.war#org.jbpm.task" is already registered*
          at org.jboss.msc.service.ServiceRegistrationImpl.setInstance(ServiceRegistrationImpl.java:154) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.msc.service.ServiceControllerImpl.startInstallation(ServiceControllerImpl.java:227) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.msc.service.ServiceContainerImpl.install(ServiceContainerImpl.java:560) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.msc.service.ServiceTargetImpl.install(ServiceTargetImpl.java:201) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.msc.service.ServiceControllerImpl$ChildServiceTarget.install(ServiceControllerImpl.java:2228) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.msc.service.ServiceTargetImpl.install(ServiceTargetImpl.java:201) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.msc.service.ServiceControllerImpl$ChildServiceTarget.install(ServiceControllerImpl.java:2228) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.msc.service.ServiceBuilderImpl.install(ServiceBuilderImpl.java:307) [jboss-msc-1.0.2.GA.jar:1.0.2.GA]
          at org.jboss.as.jpa.processor.PersistenceUnitDeploymentProcessor.deployPersistenceUnit(PersistenceUnitDeploymentProcessor.java:374)
          ... 9 more

How to resolve this *"jbpm5webexample.war#org.jbpm.task" is already registered* problem?  Pls help me on this!

Regards
Hu Hongsi
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