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jbpm-human-task has dependency on jboss-seam -- causing issues with JSF
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created by <a href="http://community.jboss.org/people/wendyschmitz">Wendy Schmitz</a> in <i>jBPM Development</i> - <a href="http://community.jboss.org/message/641797#641797">View the full discussion</a>
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<div class="jive-rendered-content"><p>I am creating a richfaces web application that will act as the front-end for an embedded jbpm engine. I'm running into the following exception when I launch the first page in the application:</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><code class="jive-code">2011-12-15 10:10:51 SeamPhaseListener [WARN] uncaught exception, passing to exception handler
java.lang.NullPointerException
        at org.jboss.seam.jsf.SeamPhaseListener.raiseEventsAfterPhase(SeamPhaseListener.java:435)
        at org.jboss.seam.jsf.SeamPhaseListener.afterPhase(SeamPhaseListener.java:188)
        at com.sun.faces.lifecycle.Phase.handleAfterPhase(Phase.java:189)
        at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:107)
        at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116)
        at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118)
        at javax.faces.webapp.FacesServlet.service(FacesServlet.java:409)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.j
ava:290)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
        at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
        at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
        at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
        at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
        at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
        at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857)
        at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.ja
va:588)
        at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
        at java.lang.Thread.run(Thread.java:619)
</code></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>It seems like Seam is invoked when I launch my Richfaces/JSF application, causing it to interfere with the normal JSF processing. It turns out that jbpm-human-task has a dependency on jboss-seam, and when I remove jbpm-human-task from my pom, I no longer have this exception. How can I use jbpm's human task component in my Richfaces/JSF web app without it breaking the app?</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks,</p><p>Wendy</p></div>
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