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Posted to hdfs-issues@hadoop.apache.org by "Ranith Sardar (JIRA)" <ji...@apache.org> on 2019/04/19 13:06:00 UTC
[jira] [Comment Edited] (HDFS-14443) Throwing RemoteException in
the time of Read Operation
[ https://issues.apache.org/jira/browse/HDFS-14443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16821905#comment-16821905 ]
Ranith Sardar edited comment on HDFS-14443 at 4/19/19 1:05 PM:
---------------------------------------------------------------
When we are performing some read operation, it is giving "Operation category WRITE is not supported in state observer" error for observer node. Although, we have not performed any such write operation.
For each operation, it is throwing the same error.
was (Author: ranith):
When we are performing some read operation, it is giving "Operation category WRITE is not supported in state observer" error for observer node. Although, we have not performed any such write operation.
> Throwing RemoteException in the time of Read Operation
> ------------------------------------------------------
>
> Key: HDFS-14443
> URL: https://issues.apache.org/jira/browse/HDFS-14443
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Ranith Sardar
> Priority: Major
>
> 2019-04-19 20:54:59,178 DEBUG org.apache.hadoop.io.retry.RetryInvocationHandler: org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category WRITE is not supported in state observer. Visit [https://s.apache.org/sbnn-error]
> at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
> at org.apache.hadoop.hdfs.server.namenode.NameNode$NameNodeHAContext.checkOperation(NameNode.java:1990)
> at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkOperation(FSNamesystem.java:1443)
> at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.msync(NameNodeRpcServer.java:1372)
> at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.msync(ClientNamenodeProtocolServerSideTranslatorPB.java:1929)
> at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:531)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1036)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:927)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:862)
> 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:1729)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2791)
> , while invoking $Proxy5.getFileInfo over [host-*-*-*-*/*.*.*.*:6*5,host-*-*-*-*/*.*.*.*:**,host-*-*-*-*/*.*.*.*:6**5]. Trying to failover immediately.
> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category WRITE is not supported in state observer. Visit [https://s.apache.org/sbnn-error]
> at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:98)
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