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https://issues.apache.org/jira/browse/FLINK-10918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16697871#comment-16697871
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ASF GitHub Bot commented on FLINK-10918:
----------------------------------------
imamitsehgal commented on issue #7171: FLINK-10918 Fix error while
checkpointing on window keyed state rock …
URL: https://github.com/apache/flink/pull/7171#issuecomment-441378109
What is the purpose of the change?
To fix the issue with creating directory while running on windows with keyed
state and rocksdbbackend.
Brief change log
RockDBKeyedStateBackend class changes to remove leading '/' in the path
string
Verifying this change
This change is already covered by existing tests, such as (please describe
tests).
Documentation
Does this pull request introduce a new feature? NO
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> incremental Keyed state with RocksDB throws cannot create directory error in
> windows
> ------------------------------------------------------------------------------------
>
> Key: FLINK-10918
> URL: https://issues.apache.org/jira/browse/FLINK-10918
> Project: Flink
> Issue Type: Bug
> Components: Queryable State, State Backends, Checkpointing
> Affects Versions: 1.6.2
> Environment: windows
> {code:java}
> val env = StreamExecutionEnvironment.getExecutionEnvironment
> val rocksdb = new RocksDBStateBackend("file:\\C:\\rocksdb\\checkpoint",true)
> rocksdb.setDbStoragePath("file:\\C:\\rocksdb\\storage")
> env.setStateBackend(rocksdb)
> env.enableCheckpointing(10)
> {code}
>
> Reporter: Amit
> Priority: Major
> Labels: pull-request-available
> Attachments:
> 0001-FLINK-10918-Fix-for-checkpoint-creation-on-windows-1.patch
>
>
> Facing error while enabling keyed state with RocksDBBackend with
> checkpointing to a local windows directory
>
> {code:java}
> Caused by: org.rocksdb.RocksDBException: Failed to create dir:
> /c:/tmp/data/job_dbe01128760d4d5cb90809cd94c2a936_op_StreamMap_b5c8d46f3e7b141acf271f12622e752b__3_8__uuid_45c1f62b-a198-44f5-add5-7683079b03f8/chk-1.tmp:
> Invalid argument
> at org.rocksdb.Checkpoint.createCheckpoint(Native Method)
> at org.rocksdb.Checkpoint.createCheckpoint(Checkpoint.java:51)
> at
> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$RocksDBIncrementalSnapshotOperation.takeSnapshot(RocksDBKeyedStateBackend.java:2549)
> at
> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend$IncrementalSnapshotStrategy.performSnapshot(RocksDBKeyedStateBackend.java:2008)
> at
> org.apache.flink.contrib.streaming.state.RocksDBKeyedStateBackend.snapshot(RocksDBKeyedStateBackend.java:498)
> at
> org.apache.flink.streaming.api.operators.AbstractStreamOperator.snapshotState(AbstractStreamOperator.java:406)
> ... 13 more
> {code}
>
>
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