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https://issues.apache.org/jira/browse/FLINK-17359?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17311956#comment-17311956
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Chen Qin commented on FLINK-17359:
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[https://github.com/apache/flink/pull/15442]
> Entropy key is not resolved if flink-s3-fs-hadoop is added as a plugin
> ----------------------------------------------------------------------
>
> Key: FLINK-17359
> URL: https://issues.apache.org/jira/browse/FLINK-17359
> Project: Flink
> Issue Type: Bug
> Components: FileSystems
> Reporter: Prem Santosh
> Assignee: Prem Santosh
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.10.1, 1.11.0
>
>
> Using flink 1.10
> I added the flink-s3-fs-hadoop jar in plugins dir but I am seeing the
> checkpoints paths like
> {{s3://my_app/__ENTROPY__/app_name-staging/flink/checkpoints/e10f47968ae74934bd833108d2272419/chk-3071}}
> which means the entropy injection key is not being resolved. After some
> debugging I found that in the
> [EntropyInjector|https://github.com/apache/flink/blob/release-1.10.0/flink-core/src/main/java/org/apache/flink/core/fs/EntropyInjector.java#L97]
> we check if the given fileSystem is of type {{SafetyNetWrapperFileSystem}}
> and if so we check if the delegate is of type {{EntropyInjectingFileSystem}}
> but don't check for {{[ClassLoaderFixingFileSystem
> |https://github.com/apache/flink/blob/release-1.10.0/flink-core/src/main/java/org/apache/flink/core/fs/PluginFileSystemFactory.java#L65]}}
> which would be the type if S3 file system dependencies are added as a plugin.
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