[jboss-user] [JBoss jBPM] - Re: Problems , when inserting data from the database.

[kukeltje]

read the error: 

anonymous wrote : 
  | Caused by: org.jbpm.identity.assignment.ExpressionAssignmentException: couldn't resolve assignment expression 'user(Aari
  | f)'
  | at org.jbpm.identity.assignment.ExpressionAssignmentHandler.assign(ExpressionAssignmentHandler.java:104)
  | at org.jbpm.taskmgmt.exe.TaskMgmtInstance.performAssignmentDelegation(TaskMgmtInstance.java:259)
  | at org.jbpm.taskmgmt.exe.TaskMgmtInstance.performAssignment(TaskMgmtInstance.java:228)
  | ... 69 more
  | Caused by: java.lang.NullPointerException
  | at org.jbpm.identity.hibernate.IdentitySession.getUserByName(IdentitySession.java:168)
  | at org.jbpm.identity.assignment.ExpressionAssignmentHandler.getUserByName(ExpressionAssignmentHandler.java:226)
  | at org.jbpm.identity.assignment.ExpressionAssignmentHandler.resolveFirstTerm(ExpressionAssignmentHandler.java:15
  | 6)
  | at org.jbpm.identity.assignment.ExpressionAssignmentHandler.assign(ExpressionAssignmentHandler.java:80) 
  | 

The assignment does not return a known user, most likely your user Aarif is not in the userdatabase

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