Till Rohrmann created FLINK-14561:
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Summary: Don't write FLINK_PLUGINS_DIR ENV variable to Flink
configuration
Key: FLINK-14561
URL: https://issues.apache.org/jira/browse/FLINK-14561
Project: Flink
Issue Type: Bug
Components: Runtime / Coordination
Affects Versions: 1.9.1, 1.10.0
Reporter: Till Rohrmann
Assignee: Till Rohrmann
Fix For: 1.10.0, 1.9.2
With FLINK-12143 we introduced the plugin mechanism. As part of this feature,
we now write the {{FLINK_PLUGINS_DIR}} environment variable to the Flink
{{Configuration}} we use for the cluster components. This is problematic,
because we also use this {{Configuration}} to start new processes (Yarn and
Mesos {{TaskExecutors}}). If the {{Configuration}} contains a configured
{{FLINK_PLUGINS_DIR}} which differs from the one used by the newly created
process, then this leads to problems.
In order to solve this problem, I suggest to not write env variables which are
intended for local usage within the started process into the {{Configuration}}.
Instead we should directly read the environment variable at the required site
similar to what we do with the env variable {{FLINK_LIB_DIR}}.
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