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https://issues.apache.org/jira/browse/FLINK-35376?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17847168#comment-17847168
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Biao Geng commented on FLINK-35376:
-----------------------------------
hi [~18380428...@163.com], in the implementation of the
`extractContainerdLibraries()`, it would call `tempFile.deleteOnExit();`. So
when the job exits, these temp files should be cleared. (See
https://github.com/apache/flink/blob/f1ecb9e4701d612050da54589a8f561857debf34/flink-clients/src/main/java/org/apache/flink/client/program/PackagedProgram.java#L585
for details)
Have you encountered any residual jars when the job exits?
> When flink submits the job by calling the rest api, the dependent jar package
> generated to the tmp is not removed
> -----------------------------------------------------------------------------------------------------------------
>
> Key: FLINK-35376
> URL: https://issues.apache.org/jira/browse/FLINK-35376
> Project: Flink
> Issue Type: Bug
> Components: Runtime / REST
> Affects Versions: 1.14.4
> Reporter: 中国无锡周良
> Priority: Major
>
> When org. Apache. Flink. Runtime. Webmonitor. Handlers. JarRunHandler#
> handleRequest receives job submission request,
> {code:java}
> final JarHandlerContext context = JarHandlerContext.fromRequest(request,
> jarDir, log);
> context.applyToConfiguration(effectiveConfiguration); {code}
> The toPackagedProgram(configuration) method generates a dependency jar to the
> tmp directory;
> Then,
> final PackagedProgram program =
> context.toPackagedProgram(effectiveConfiguration);
> Will generate a dependent jars, and org. Apache. The flink. Client. The
> program. The PackagedProgram# PackagedProgram method inside
> {code:java}
> this.extractedTempLibraries =
> this.jarFile == null
> ? Collections.emptyList()
> : extractContainedLibraries(this.jarFile); {code}
> Will be overwritten by the second generation;
>
> As a result, the dependent jar package generated for the first time cannot be
> deleted when close. If the job status detection is done and the rest api is
> automatically invoked to pull up, the jar file will always be generated in
> tmp.
>
>
>
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