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Posted to hdfs-issues@hadoop.apache.org by "Mukul Kumar Singh (JIRA)" <ji...@apache.org> on 2019/04/17 04:48:00 UTC
[jira] [Created] (HDDS-1443) OverlappingFileLockException exception
in datanodes after restart in MiniOzoneChaosCluster
Mukul Kumar Singh created HDDS-1443:
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Summary: OverlappingFileLockException exception in datanodes after restart in MiniOzoneChaosCluster
Key: HDDS-1443
URL: https://issues.apache.org/jira/browse/HDDS-1443
Project: Hadoop Distributed Data Store
Issue Type: Bug
Components: Ozone Datanode
Affects Versions: 0.3.0
Reporter: Mukul Kumar Singh
Following exception can be seen in MiniOzoneChaosCluster after Datanode restarts.
{code}
java.io.IOException: Failed to lock storage /Users/msingh/code/apache/ozone/oz_new1/hadoop-ozone/integration-test/target/test/data/MiniOzoneClusterImpl-6e7bf33e-55b8-4437-8a0d-0da730510c70/datanode-4/data/ratis/49740cb4-b1cf-418a-af8e-1b28e0bf6cbc. The directory is already locked
at org.apache.ratis.server.storage.RaftStorageDirectory.tryLock(RaftStorageDirectory.java:334)
at org.apache.ratis.server.storage.RaftStorageDirectory.lock(RaftStorageDirectory.java:291)
at org.apache.ratis.server.storage.RaftStorageDirectory.analyzeStorage(RaftStorageDirectory.java:264)
at org.apache.ratis.server.storage.RaftStorage.analyzeAndRecoverStorage(RaftStorage.java:91)
at org.apache.ratis.server.storage.RaftStorage.<init>(RaftStorage.java:59)
at org.apache.ratis.server.impl.ServerState.<init>(ServerState.java:106)
at org.apache.ratis.server.impl.RaftServerImpl.<init>(RaftServerImpl.java:101)
at org.apache.ratis.server.impl.RaftServerProxy.lambda$newRaftServerImpl$2(RaftServerProxy.java:208)
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.nio.channels.OverlappingFileLockException
at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:1108)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:1155)
at org.apache.ratis.server.storage.RaftStorageDirectory.tryLock(RaftStorageDirectory.java:322)
{code]
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