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https://issues.apache.org/jira/browse/FLINK-16794?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-16794:
-----------------------------------
Labels: auto-deprioritized-major (was: stale-major)
> ClassNotFoundException caused by ClassLoader.getSystemClassLoader using
> impertinently
> ---------------------------------------------------------------------------------------
>
> Key: FLINK-16794
> URL: https://issues.apache.org/jira/browse/FLINK-16794
> Project: Flink
> Issue Type: Improvement
> Components: Client / Job Submission, Runtime / REST
> Affects Versions: 1.8.0
> Reporter: victor.jiang
> Priority: Major
> Labels: auto-deprioritized-major
>
> In some containerization environment，the context classloader is not the
> SystemClassLoader，it uses the customized classloader usually for the classes
> isolation ，so the ClassNotFoundException may be caused。recommends using
> getClass/Caller/ThreadCurrentContext 's ClassLoader。
> The related sources below:
> #
> [ClusterClient.java:113|https://github.com/apache/flink/blob/c6997c97c575d334679915c328792b8a3067cfb5/flink-clients/src/main/java/org/apache/flink/client/program/ClusterClient.java#L113]:
> {{return getAccumulators(jobID, ClassLoader.getSystemClassLoader());}}
> #
> [BlobUtils.java:290|https://github.com/apache/flink/blob/c6997c97c575d334679915c328792b8a3067cfb5/flink-runtime/src/main/java/org/apache/flink/runtime/blob/BlobUtils.java#L290]:
> {{return (Throwable) InstantiationUtil.deserializeObject(bytes,
> ClassLoader.getSystemClassLoader());}}
> #
> [SerializedThrowableDeserializer.java:50|https://github.com/apache/flink/blob/c6997c97c575d334679915c328792b8a3067cfb5/flink-runtime/src/main/java/org/apache/flink/runtime/rest/messages/json/SerializedThrowableDeserializer.java#L50]:
> {{return InstantiationUtil.deserializeObject(serializedException,
> ClassLoader.getSystemClassLoader());}}
> #
> [RemoteRpcInvocation.java:121|https://github.com/apache/flink/blob/c6997c97c575d334679915c328792b8a3067cfb5/flink-runtime/src/main/java/org/apache/flink/runtime/rpc/messages/RemoteRpcInvocation.java#L121]:
> {{methodInvocation =
> serializedMethodInvocation.deserializeValue(ClassLoader.getSystemClassLoader());}}
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