BPM 12c throwing, "The process has no start event", Error (Doc ID 1962919.1)

Last updated on JANUARY 21, 2015

Applies to:

Oracle Business Process Management Suite - Version 12.1.3.0.0 and later
Information in this document applies to any platform.

Symptoms

When trying to generate a report for a process in the BPM Composer you get an "Error 500" page. When looking at the logs the following exception is seen.

 

java.lang.RuntimeException: The process has no start event
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:238)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.traverse(ProcessSequencer.java:199)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.sequence(ProcessSequencer.java:175)
  at oracle.bpm.processview.sequencer.model.ProcessSequencer.getSequencedNodes(ProcessSequencer.java:151)
  at oracle.bpm.tutor.reporter.Extractor._setSequencedNodes(Extractor.java:289)
  at oracle.bpm.tutor.reporter.Extractor.extractDefinitions(Extractor.java:383)
  at oracle.bpm.composer.bpm.beans.toolbar.tutor.reporter.ProcessReportBean.extractDefinitions(ProcessReportBean.java:457)
  at oracle.bpm.composer.bpm.beans.toolbar.tutor.reporter.ProcessReportBean.createDomDoc(ProcessReportBean.java:150)
  at oracle.bpm.composer.util.ComposerProcessReport.streamReportToBrowser(ComposerProcessReport.java:83)
  at oracle.bpm.composer.util.ComposerProcessReport.doGet(ComposerProcessReport.java:74)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
  at javax.servlet.http.HttpServlet.service(HttpServlet.java:844)
  at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:280)
  at weblogic.servlet.internal.StubSecurityHelper$ServletServiceAction.run(StubSecurityHelper.java:254)
 ....
 

 

Cause

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