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Posted to issues@flink.apache.org by "Aljoscha Krettek (JIRA)" <ji...@apache.org> on 2016/04/11 18:55:25 UTC

[jira] [Created] (FLINK-3730) Fix RocksDB Local Directory Initialization

Aljoscha Krettek created FLINK-3730:
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             Summary: 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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