ZanderXu opened a new pull request, #7233:
URL: https://github.com/apache/hadoop/pull/7233
HDFS-17692. [FGL] fix bug in getContentSummary method.
```
2024-06-20 10:42:07,134 WARN ipc.Server (Server.java:logException(3456))
[IPC Server handler 16 on default port 8020] - IPC Server handler 16 on default
port 8020, call Call#95 Retry#0
org.apache.hadoop.hdfs.protocol.ClientProtocol.getContentSummary from
10.169.36.152:45816 java.lang.IllegalMonitorStateException: attempt to unlock
read lock, not locked by current thread
at
java.util.concurrent.locks.ReentrantReadWriteLock$Sync.unmatchedUnlockException(ReentrantReadWriteLock.java:444)
at
java.util.concurrent.locks.ReentrantReadWriteLock$Sync.tryReleaseShared(ReentrantReadWriteLock.java:428)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.releaseShared(AbstractQueuedSynchronizer.java:1341)
at
java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.unlock(ReentrantReadWriteLock.java:881)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystemLock.readUnlock(FSNamesystemLock.java:172)
at
org.apache.hadoop.hdfs.server.namenode.fgl.FineGrainedFSNamesystemLock.readUnlock(FineGrainedFSNamesystemLock.java:78)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.readUnlock(FSNamesystem.java:1894)
at
org.apache.hadoop.hdfs.server.namenode.ContentSummaryComputationContext.yield(ContentSummaryComputationContext.java:135)
at
org.apache.hadoop.hdfs.server.namenode.INodeDirectory.computeDirectoryContentSummary(INodeDirectory.java:744)
at
org.apache.hadoop.hdfs.server.namenode.INodeDirectory.computeContentSummary(INodeDirectory.java:704)
at
org.apache.hadoop.hdfs.server.namenode.INodeDirectory.computeDirectoryContentSummary(INodeDirectory.java:721)
at
org.apache.hadoop.hdfs.server.namenode.INodeDirectory.computeContentSummary(INodeDirectory.java:704)
at
org.apache.hadoop.hdfs.server.namenode.INodeDirectory.computeDirectoryContentSummary(INodeDirectory.java:721)
at
org.apache.hadoop.hdfs.server.namenode.INodeDirectory.computeContentSummary(INodeDirectory.java:704)
at
org.apache.hadoop.hdfs.server.namenode.INode.computeAndConvertContentSummary(INode.java:466)
at
org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummaryInt(FSDirStatAndListingOp.java:600)
at
org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getContentSummary(FSDirStatAndListingOp.java:144)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getContentSummary(FSNamesystem.java:3644)
at
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getContentSummary(NameNodeRpcServer.java:1744)
```
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