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https://issues.apache.org/jira/browse/FLINK-3730?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15238854#comment-15238854
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ASF GitHub Bot commented on FLINK-3730:
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Github user aljoscha closed the pull request at:
https://github.com/apache/flink/pull/1873
> Fix RocksDB Local Directory Initialization
> ------------------------------------------
>
> Key: FLINK-3730
> URL: https://issues.apache.org/jira/browse/FLINK-3730
> Project: Flink
> Issue Type: Bug
> Components: state backends, Streaming
> Reporter: Aljoscha Krettek
> Assignee: Aljoscha Krettek
>
> The test that checks whether a directory is viable is not correct and the
> tests in `RocksDBStateBackendConfigTest` fail to catch them:
> `testFailWhenNoLocalStorageDir()` and
> `testContinueOnSomeDbDirectoriesMissing()`
> The problem is that the backend tests whether the dir exists or can be
> created. The tests create the directory and set it to non-writable. This
> means that the check accepts these. The job would only fail later when
> actually trying to create a directory in the initialized data directory.
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