Kuhu Shukla created TEZ-3857:
--------------------------------
Summary: Tez TaskImpl can throw Invalid state transition for leaf
tasks that do Retro Active Transition
Key: TEZ-3857
URL: https://issues.apache.org/jira/browse/TEZ-3857
Project: Apache Tez
Issue Type: Bug
Reporter: Kuhu Shukla
Assignee: Kuhu Shukla
{code}
Invalid event T_ATTEMPT_FAILED on Task task_1234_5678_1_01_000001
{code}
The task had more than one running attempts, while one of them succeeded and
the task was marked succeeded, the second failed and caused the Task state
machine to enter error state since the task was in a leaf vertex and does the
following:
{code}
if (task.leafVertex) {
LOG.error("Unexpected event for task of leaf vertex " + event.getType()
+ ", taskId: "
+ task.getTaskId());
task.internalError(event.getType());
}
{code}
This JIRA tracks fixing this invalid state.
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