Vlad Rozov created APEXCORE-362:
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Summary: NPE in StreamingContainerManager
Key: APEXCORE-362
URL: https://issues.apache.org/jira/browse/APEXCORE-362
Project: Apache Apex Core
Issue Type: Bug
Affects Versions: 3.3.0, 3.2.0, 3.2.1, 3.4.0, 3.3.1
Reporter: Vlad Rozov
Assignee: Vlad Rozov
There is a possible race condition while end window statistics is calculated by
application master. While putIfAbsent() and get() are atomic and thread safe by
itself, there is a possibility of thread switch in between, so that entry
inserted by putIfAbasent will be removed and get may return null.
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