Description
when I execute hdfs dfs -ls / ，Viewing the Hadoop logs found the following error
xxxx 15:20:23,058 WARN org.apache.hadoop.ipc.Server: IPC Server handler 5 on 8020, call org.apache.hadoop.hdfs.protocol.ClientProtocol.getFileInfo from xxx:11136 Call#0 Retry#0
java.lang.NullPointerException
at org.apache.hadoop.hdfs.DFSUtil.bytes2String(DFSUtil.java:314)
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.getINodeAttrs(FSPermissionChecker.java:238)
at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkPermission(FSPermissionChecker.java:183)
at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkPermission(FSDirectory.java:1752)
at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getFileInfo(FSDirStatAndListingOp.java:100)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:3831)
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:1012)
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:855)
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:982)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2217)
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2213)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1758)
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2213)
But when I execute hdfs dfs -ls /tmp ，Did not report an error，And control permissions functions are normal.
Attachments
Issue Links
- is fixed by
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HDFS-12614 FSPermissionChecker#getINodeAttrs() throws NPE when INodeAttributesProvider configured
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- Resolved
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