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Posted to dev@flink.apache.org by "Arseniy Tashoyan (Jira)" <ji...@apache.org> on 2022/08/30 13:05:00 UTC
[jira] [Created] (FLINK-29144) Enable multiple jar entries for jarURI
Arseniy Tashoyan created FLINK-29144:
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Summary: Enable multiple jar entries for jarURI
Key: FLINK-29144
URL: https://issues.apache.org/jira/browse/FLINK-29144
Project: Flink
Issue Type: Improvement
Components: Kubernetes Operator
Affects Versions: 1.15.1
Reporter: Arseniy Tashoyan
The setting _job.jarURI_ accepts a string with the path to the jar-file:
{code:yaml}
job:
jarURI: local:///opt/flink/examples/streaming/StateMachineExample.jar
{code}
This could be improved to accept a list of jars:
{code:yaml}
job:
jarURIs:
- local:///opt/flink/examples/streaming/StateMachineExample.jar
- local:///opt/libext/scala-logging.jar
{code}
This could also be improved to accept a directory with jars:
{code:yaml}
job:
jarDir: ///opt/basic/lib
{code}
Internally, Flink Kubernetes Operator uses the property _pipeline.jars_ - see [FlinkConfigBuilder.java |https://github.com/apache/flink-kubernetes-operator/blob/main/flink-kubernetes-operator/src/main/java/org/apache/flink/kubernetes/operator/config/FlinkConfigBuilder.java#L259]:
{code:java}
effectiveConfig.set(PipelineOptions.JARS, Collections.singletonList(uri.toString()));
{code}
The property _pipeline.jars_ allows to pass more than one jar entry.
This improvement allows to avoid building a fat-jar. Instead we could provide a directory with normal jars.
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