java.lang.ClassCastException: org.jboss.tm.usertx.client.ServerVMClientUserTransaction cannot be cast to javax.transaction.UserTransaction in jBPM application deployed on JBoss EAP

Solution Verified - Updated -

Issue

  • I get the following Exception when I deploy jbpm-human-task.war.
ERROR [[/jbpm-human-task]] Servlet /jbpm-human-task threw load() exception
java.lang.ClassCastException: org.jboss.tm.usertx.client.ServerVMClientUserTransaction cannot be cast to javax.transaction.UserTransaction
        at org.drools.persistence.jta.JtaTransactionManager.findUserTransaction(JtaTransactionManager.java:119)
  • Also, I get the following Exception with my jBPM application as well.
ERROR [STDERR] java.lang.ClassCastException: org.jboss.tm.usertx.client.ServerVMClientUserTransaction cannot be cast to javax.transaction.UserTransaction
ERROR [STDERR]     at com.example.ProcessManager.getTransactionManager(ProcessManager.java:405)
ERROR [STDERR]     at com.example.ProcessManager.beginTransaction(ProcessManager.java:412)
ERROR [STDERR]     at com.example.ProcessManager.startProcess(ProcessManager.java:82)

Can you please suggest me the how to solve this issue?

Environment

  • JBoss Enterprise Business Rules Management System (BRMS)
    • 5.3.0
  • jBPM
    • 5

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