Fang Yong created FLINK-32265:
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Summary: Use default classloader in jobmanager when there are no
user jars for job
Key: FLINK-32265
URL: https://issues.apache.org/jira/browse/FLINK-32265
Project: Flink
Issue Type: Sub-task
Components: Runtime / Coordination
Affects Versions: 1.18.0
Reporter: Fang Yong
Currently job manager will create a new class loader for each flink job even it
has no user jars, which may cause metaspace increasing. Flink can use system
classloader for the jobs without jars.
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