Re: [Analytics] Hadoop problem

Thanks Oliver. Yes, it works now! Can't find Andrew's msg, though. On what list was it sent?

On Tue, Jan 5, 2016 at 5:13 PM, Oliver Keyes okeyes@wikimedia.org wrote:

Hey Robert,

See Andrew's message about the NameNodes. Does it work now?

On 5 January 2016 at 05:00, Robert West west@cs.stanford.edu wrote:

...

Hi!

There seems to be a problem with the Hadoop cluster. The simple command $ hadoop fs -ls is giving me the error message pasted below.

Thanks! Bob

16/01/05 09:55:48 INFO retry.RetryInvocationHandler: Exception while invoking getFileInfo of class ClientNamenodeProtocolTranslatorPB over analytics1002.eqiad.wmnet/10.64.53.21:8020 after 1 fail over attempts. Trying to fail over after sleeping for 936ms.

org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException):

...

Operation category READ is not supported in state standby at

org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:87)

...

    at

org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:1770)

...

    at

org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1399)

...

    at

org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getFileInfo(FSNamesystem.java:4175)

...

    at

org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.getFileInfo(NameNodeRpcServer.java:842)

...

    at

org.apache.hadoop.hdfs.server.namenode.AuthorizationProviderProxyClientProtocol.getFileInfo(AuthorizationProviderProxyClientProtocol.java:526)

...

    at

org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:822)

...

    at

org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)

...

    at

org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:619)

...

    at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1060)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044)
    at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2040)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at

org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671)

...

    at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2038)

    at org.apache.hadoop.ipc.Client.call(Client.java:1468)
    at org.apache.hadoop.ipc.Client.call(Client.java:1399)
    at

org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:232)

...

    at com.sun.proxy.$Proxy9.getFileInfo(Unknown Source)
    at

org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.getFileInfo(ClientNamenodeProtocolTranslatorPB.java:752)

...

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at

sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)

...

    at

sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

...

    at java.lang.reflect.Method.invoke(Method.java:606)
    at

org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:187)

...

    at

org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)

...

    at com.sun.proxy.$Proxy10.getFileInfo(Unknown Source)
    at

org.apache.hadoop.hdfs.DFSClient.getFileInfo(DFSClient.java:1980)

...

    at

org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1128)

...

    at

org.apache.hadoop.hdfs.DistributedFileSystem$18.doCall(DistributedFileSystem.java:1124)

...

    at

org.apache.hadoop.fs.FileSystemLinkResolver.resolve(FileSystemLinkResolver.java:81)

...

    at

org.apache.hadoop.hdfs.DistributedFileSystem.getFileStatus(DistributedFileSystem.java:1124)

...

    at org.apache.hadoop.fs.Globber.getFileStatus(Globber.java:57)
    at org.apache.hadoop.fs.Globber.glob(Globber.java:252)
    at

org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1625)

...

    at

org.apache.hadoop.fs.shell.PathData.expandAsGlob(PathData.java:326) at org.apache.hadoop.fs.shell.Command.expandArgument(Command.java:224) at org.apache.hadoop.fs.shell.Command.expandArguments(Command.java:207) at org.apache.hadoop.fs.shell.Command.processRawArguments(Command.java:190) at org.apache.hadoop.fs.shell.Command.run(Command.java:154) at org.apache.hadoop.fs.FsShell.run(FsShell.java:287) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84) at org.apache.hadoop.fs.FsShell.main(FsShell.java:340)

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-- Oliver Keyes Count Logula Wikimedia Foundation

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