Zhiyuan Yang created TEZ-3858:
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Summary: Misleading dag level diagnostics in case of invalid
vertex event
Key: TEZ-3858
URL: https://issues.apache.org/jira/browse/TEZ-3858
Project: Apache Tez
Issue Type: Bug
Reporter: Zhiyuan Yang
When a vertex gets invalid event, the state machine will be transited by
InternalErrorTransition. This transition prints this and adds it to dag
diagnostic:
{code}
("Invalid event " + event.getType() + " on Vertex " + vertex.getLogIdentifier()
{code}
But variable event here is V_INTERNAL_ERROR event instead of the event that
caused V_INTERNAL_ERROR. V_INTERNAL_ERROR is not the invalid event, the
original event is.
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