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https://issues.apache.org/jira/browse/FLINK-29144?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17597873#comment-17597873
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Arseniy Tashoyan commented on FLINK-29144:
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For API compatibility, we can preserve the old parameter _jarURI_. New
parameters _jarURIs_ and _jarDirs_ do not break backward compatibility.
> 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
> Reporter: Arseniy Tashoyan
> Priority: Major
>
> 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/common/scala-logging.jar
> {code}
> This could also be improved to accept one or more directories with jars:
> {code:yaml}
> job:
> jarDirs:
> - local:///opt/app/lib
> - local:///opt/common/lib
> {code}
> The order of entries in the list defines the order of jars in the classpath.
> 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
> directories with normal jars.
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