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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 ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org > 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} > > -- This message was sent by Atlassian JIRA (v7.6.3#76005)