Aljoscha Krettek created FLINK-5713:
---------------------------------------
Summary: Protect against NPE in WindowOperator window cleanup
Key: FLINK-5713
URL: https://issues.apache.org/jira/browse/FLINK-5713
Project: Flink
Issue Type: Improvement
Components: DataStream API
Affects Versions: 1.2.0
Reporter: Aljoscha Krettek
Assignee: Aljoscha Krettek
Fix For: 1.2.1
Some (misbehaved) WindowAssigners can cause windows to be dropped from the
merging window set while a cleanup timer is still active. This will trigger a
NullPointerException when that timer fires.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
