Yu Li created FLINK-12688:
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Summary: Make serializer lazy initialization thread safe in
StateDescriptor
Key: FLINK-12688
URL: https://issues.apache.org/jira/browse/FLINK-12688
Project: Flink
Issue Type: Improvement
Components: API / DataStream, API / Type Serialization System
Affects Versions: 1.8.0, 1.7.2, 1.6.4
Reporter: Yu Li
Assignee: Yu Li
Fix For: 1.9.0, 1.8.1
As per
[discussed|https://issues.apache.org/jira/browse/FLINK-11987?focusedCommentId=16832335&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-16832335]
in FLINK-11987, this JIRA aims at resolving the issue of
{{StateDescriptor#initializeSerializerUnlessSet}} under race condition. More
specified, we will assure no NPE thrown as well as the singleton of
{{serializer}} when invoking {{initializeSerializerUnlessSet}} in parallel.
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