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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