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ASF GitHub Bot commented on HDFS-17406: --------------------------------------- haiyang1987 opened a new pull request, #6603: URL: https://github.com/apache/hadoop/pull/6603 ### Description of PR https://issues.apache.org/jira/browse/HDFS-17406 UnresolvedPathException as a normal process of resolving symlinks, the router server doesn't need to be logged at all . we need to optimize it, reduce log output. ``` 2024-03-01 14:51:25,084 INFO ipc.Server (Server.java:logException(3417)) [IPC Server on default port 8888] - IPC Server 965 on default port 8888, call Call#1313293 Retry#0 org.apache.hadoop.hdfs.protocol.ClientProtocol.getBlockLocations from xxx org.apache.hadoop.hdfs.protocol.UnresolvedPathException: /xxx/path at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkNotSymlink(FSPermissionChecker.java:762) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:721) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkTraverse(FSDirectory.java:1997) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkTraverse(FSDirectory.java:2015) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.resolvePath(FSDirectory.java:823) at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:164) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2265) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2250) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:914) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java: 467) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:635) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:603) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:587) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1137) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1236) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1134) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:2005) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:3360) Caused by: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.UnresolvedPathException): /xxx/path at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkNotSymlink(FSPermissionChecker.java:762) at org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:721) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkTraverse(FSDirectory.java:1997) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkTraverse(FSDirectory.java:2015) at org.apache.hadoop.hdfs.server.namenode.FSDirectory.resolvePath(FSDirectory.java:823) at org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:164) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2265) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2250) at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:914) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java: 467) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:635) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:603) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:587) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1137) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1236) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1134) 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:2005) at org.apache.hadoop.ipc.Server$Handler.run(Server.java:3360) at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1579) at org.apache.hadoop.ipc.Client.call(Client.java:1511) at org.apache.hadoop.ipc.Client.call(Client.java:1402) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:261) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:141) at com.sun.proxy.$Proxy16.getBlockLocations(Unknown Source) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getBlockLocations(ClientNamenodeProtocolTranslatorPB.java:335) at sun.reflect.GeneratedMethodAccessor106.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invoke(RouterRpcClient.java:776) at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeMethod(RouterRpcClient.java:596) at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeSequential(RouterRpcClient.java:1132) at org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeSequential(RouterRpcClient.java:1077) at org.apache.hadoop.hdfs.server.federation.router.RouterClientProtocol.getBlockLocations(RouterClientProtocol.java:308) at org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getBlockLocations(RouterRpcServer.java:624) at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java: 465) at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:623) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:591) at org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:575) at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1137) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1230) at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1128) 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:2005) ``` > Suppress UnresolvedPathException in hdfs router log > --------------------------------------------------- > > Key: HDFS-17406 > URL: https://issues.apache.org/jira/browse/HDFS-17406 > Project: Hadoop HDFS > Issue Type: Improvement > Components: rbf > Reporter: Haiyang Hu > Assignee: Haiyang Hu > Priority: Major > Labels: pull-request-available > > UnresolvedPathException as a normal process of resolving symlinks, the router > server doesn't need to be logged at all . > we need to optimize it, reduce log output. > {code:java} > 2024-03-01 14:51:25,084 INFO ipc.Server (Server.java:logException(3417)) > [IPC Server on default port 8888] - IPC Server 965 on default port 8888, call > Call#1313293 Retry#0 > org.apache.hadoop.hdfs.protocol.ClientProtocol.getBlockLocations from xxx > org.apache.hadoop.hdfs.protocol.UnresolvedPathException: /xxx/path > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkNotSymlink(FSPermissionChecker.java:762) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:721) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkTraverse(FSDirectory.java:1997) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkTraverse(FSDirectory.java:2015) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.resolvePath(FSDirectory.java:823) > at > org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:164) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2265) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2250) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:914) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java: > 467) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:635) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:603) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:587) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1137) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1236) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1134) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:2005) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:3360) > Caused by: > org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.protocol.UnresolvedPathException): > /xxx/path > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkNotSymlink(FSPermissionChecker.java:762) > at > org.apache.hadoop.hdfs.server.namenode.FSPermissionChecker.checkTraverse(FSPermissionChecker.java:721) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkTraverse(FSDirectory.java:1997) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.checkTraverse(FSDirectory.java:2015) > at > org.apache.hadoop.hdfs.server.namenode.FSDirectory.resolvePath(FSDirectory.java:823) > at > org.apache.hadoop.hdfs.server.namenode.FSDirStatAndListingOp.getBlockLocations(FSDirStatAndListingOp.java:164) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2265) > at > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getBlockLocations(FSNamesystem.java:2250) > at > org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getBlockLocations(NameNodeRpcServer.java:914) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java: > 467) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:635) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:603) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:587) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1137) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1236) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1134) > 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:2005) > at org.apache.hadoop.ipc.Server$Handler.run(Server.java:3360) > at org.apache.hadoop.ipc.Client.getRpcResponse(Client.java:1579) > at org.apache.hadoop.ipc.Client.call(Client.java:1511) > at org.apache.hadoop.ipc.Client.call(Client.java:1402) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:261) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Invoker.invoke(ProtobufRpcEngine2.java:141) > at com.sun.proxy.$Proxy16.getBlockLocations(Unknown Source) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getBlockLocations(ClientNamenodeProtocolTranslatorPB.java:335) > at sun.reflect.GeneratedMethodAccessor106.invoke(Unknown Source) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at > org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invoke(RouterRpcClient.java:776) > at > org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeMethod(RouterRpcClient.java:596) > at > org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeSequential(RouterRpcClient.java:1132) > at > org.apache.hadoop.hdfs.server.federation.router.RouterRpcClient.invokeSequential(RouterRpcClient.java:1077) > at > org.apache.hadoop.hdfs.server.federation.router.RouterClientProtocol.getBlockLocations(RouterClientProtocol.java:308) > at > org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getBlockLocations(RouterRpcServer.java:624) > at > org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getBlockLocations(ClientNamenodeProtocolServerSideTranslatorPB.java: > 465) > at > org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:623) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:591) > at > org.apache.hadoop.ipc.ProtobufRpcEngine2$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine2.java:575) > at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1137) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1230) > at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:1128) > 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:2005) > {code} -- This message was sent by Atlassian Jira (v8.20.10#820010) 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