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https://issues.apache.org/jira/browse/HBASE-20404?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16438247#comment-16438247
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Sean Busbey commented on HBASE-20404:
-------------------------------------
as I mentioned above, I don't think we can remove logging in the general case
of an IOException.
I'm trying out the debug message for sort order, but it's way too chatty.
What about expressly checking for the directory being empty? either before
trying to delete or after catching the IOException?
> Ugly cleanerchore complaint that dir is not empty
> -------------------------------------------------
>
> Key: HBASE-20404
> URL: https://issues.apache.org/jira/browse/HBASE-20404
> Project: HBase
> Issue Type: Bug
> Components: master
> Affects Versions: 2.0.0
> Reporter: stack
> Assignee: Sean Busbey
> Priority: Major
> Attachments: HBASE-20404.0.patch, HBASE-20404.1.patch
>
>
> I see these big dirty exceptions in my master log during a long-run.... Lets
> clean them up (Are they exceptions I as an operator can actually do something
> about? Are they 'problems'? Should they be LOG.warn?)
> {code}
> 2018-04-12 16:02:09,911 WARN [ForkJoinPool-1-worker-15]
> cleaner.CleanerChore: Could not delete dir under
> hdfs://ve0524.halxg.cloudera.com:8020/hbase/archive/data/default/IntegrationTestBigLinkedList/1e24549061df3adc4858fbcaf1929553/meta;
> {}
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.fs.PathIsNotEmptyDirectoryException):
>
> `/hbase/archive/data/default/IntegrationTestBigLinkedList/1e24549061df3adc4858fbcaf1929553/meta
> is non empty': Directory is not empty
> at
> org.apache.hadoop.hdfs.server.namenode.FSDirDeleteOp.delete(FSDirDeleteOp.java:115)
> at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:2848)
> at
> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.delete(NameNodeRpcServer.java:1048)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.delete(ClientNamenodeProtocolServerSideTranslatorPB.java:641)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:447)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:989)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:847)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:790)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at
> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1836)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2486)
> at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1489)
> at org.apache.hadoop.ipc.Client.call(Client.java:1435)
> at org.apache.hadoop.ipc.Client.call(Client.java:1345)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:227)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:116)
> at com.sun.proxy.$Proxy26.delete(Unknown Source)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.delete(ClientNamenodeProtocolTranslatorPB.java:568)
> at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:409)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeMethod(RetryInvocationHandler.java:163)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invoke(RetryInvocationHandler.java:155)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler$Call.invokeOnce(RetryInvocationHandler.java:95)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:346)
> at com.sun.proxy.$Proxy27.delete(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
> ...
> {code}
> Looks like log format is off too...
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