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https://issues.apache.org/jira/browse/HDFS-14422?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Íñigo Goiri updated HDFS-14422:
-------------------------------
Assignee: Íñigo Goiri
Status: Patch Available (was: Open)
> RBF: Router shouldn't allow READ operations in safe mode
> --------------------------------------------------------
>
> Key: HDFS-14422
> URL: https://issues.apache.org/jira/browse/HDFS-14422
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Íñigo Goiri
> Assignee: Íñigo Goiri
> Priority: Major
> Attachments: HDFS-14422-HDFS-13891.000.patch
>
>
> We are currently seeing:
> org.apache.hadoop.hdfs.server.federation.store.StateStoreUnavailableException:
> Mount Table not initialized
> at
> org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver.verifyMountTable(MountTableResolver.java:521)
> at
> org.apache.hadoop.hdfs.server.federation.resolver.MountTableResolver.getDestinationForPath(MountTableResolver.java:394)
> at
> org.apache.hadoop.hdfs.server.federation.resolver.MultipleDestinationMountTableResolver.getDestinationForPath(MultipleDestinationMountTableResolver.java:87)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getLocationsForPath(RouterRpcServer.java:1258)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterClientProtocol.getFileInfo(RouterClientProtocol.java:747)
> at
> org.apache.hadoop.hdfs.server.federation.router.RouterRpcServer.getFileInfo(RouterRpcServer.java:749)
> at
> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.getFileInfo(ClientNamenodeProtocolServerSideTranslatorPB.java:881)
> at
> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
> at
> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:513)
> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1011)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:871)
> at org.apache.hadoop.ipc.Server$RpcCall.run(Server.java:817)
> 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:1915)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2621)
> The Namenode allows READ operations but for the Router not being able to
> access the State Store also hits the read operations.
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