[jboss-user] [jBPM Users] - Re: NullPointer Exception when starting a process whith Tomc

[hidman78]

Thx,

This is the trace within eclipse :

javax.servlet.ServletException: java.lang.NullPointerException
  | 	org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:286)
  | 	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
  | 	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
  | 	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
  | 	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  | 
  | 
  | cause mère 
  | 
  | java.lang.NullPointerException
  | 	org.jbpm.pvm.internal.svc.ExecutionServiceImpl.startProcessInstanceByKey(ExecutionServiceImpl.java:66)
  | 	javaclass.DAO.BillDAO.findByExample(BillDAO.java:45)
  | 	javaclass.action.ListBillAction.execute(ListBillAction.java:29)
  | 	org.apache.struts.chain.commands.servlet.ExecuteAction.execute(ExecuteAction.java:58)
  | 	org.apache.struts.chain.commands.AbstractExecuteAction.execute(AbstractExecuteAction.java:67)
  | 	org.apache.struts.chain.commands.ActionCommandBase.execute(ActionCommandBase.java:51)
  | 	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
  | 	org.apache.commons.chain.generic.LookupCommand.execute(LookupCommand.java:305)
  | 	org.apache.commons.chain.impl.ChainBase.execute(ChainBase.java:191)
  | 	org.apache.struts.chain.ComposableRequestProcessor.process(ComposableRequestProcessor.java:283)
  | 	org.apache.struts.action.ActionServlet.process(ActionServlet.java:1913)
  | 	org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:449)
  | 	javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
  | 	javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
  | 

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