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Posted to issues@spark.apache.org by "Tim Chan (JIRA)" <ji...@apache.org> on 2016/12/27 17:40:58 UTC

[jira] [Created] (SPARK-19013) java.util.ConcurrentModificationException when using s3 path as checkpointLocation

Tim Chan created SPARK-19013:
--------------------------------

             Summary: java.util.ConcurrentModificationException when using s3 path as checkpointLocation 
                 Key: SPARK-19013
                 URL: https://issues.apache.org/jira/browse/SPARK-19013
             Project: Spark
          Issue Type: Bug
          Components: Structured Streaming
    Affects Versions: 2.0.2
            Reporter: Tim Chan


I have a structured stream job running on EMR. The job will fail due to this

```
Multiple HDFSMetadataLog are using s3://mybucket/myapp org.apache.spark.sql.execution.streaming.HDFSMetadataLog.org$apache$spark$sql$execution$streaming$HDFSMetadataLog$$writeBatch(HDFSMetadataLog.scala:162)
```

There is only one instance of this stream job running.



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