邓飞 created HDFS-9513:
------------------------

             Summary: DataNodeManager#getDataNodeStorageInfos not backward 
compatibility
                 Key: HDFS-9513
                 URL: https://issues.apache.org/jira/browse/HDFS-9513
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: hdfs-client, namenode
    Affects Versions: 2.7.1, 2.2.0
         Environment:  2.2.0 HDFS Client &2.7.1 HDFS Cluster
            Reporter: 邓飞
            Priority: Blocker


We is upgraded our new HDFS cluster to 2.7.1,but we YARN cluster is 
2.2.0(8000+,it's too hard to upgrade as soon as HDFS cluster).
The compatible case happened  datasteamer do pipeline recovery, the NN need 
DN's storageInfo to update pipeline, and the storageIds is pair of pipleline's 
DN,but HDFS support storage type feature from 
2.3.0[HDFS-2832|https://issues.apache.org/jira/browse/HDFS-2832], older version 
not have storageId at client,and the protobuf make the protocol compatible,but 
the client  will throw remote exception as ArrayIndexOutOfBoundsException.
---------------
the exception stack is below:
{noformat}
2015-12-05 20:26:38,291 ERROR [Thread-4] org.apache.hadoop.hdfs.DFSClient: 
Failed to close file XXX
org.apache.hadoop.ipc.RemoteException(java.lang.ArrayIndexOutOfBoundsException):
 0
        at 
org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.getDatanodeStorageInfos(DatanodeManager.java:513)
        at 
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.updatePipelineInternal(FSNamesystem.java:6439)
        at 
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.updatePipeline(FSNamesystem.java:6404)
        at 
org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.updatePipeline(NameNodeRpcServer.java:892)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.updatePipeline(ClientNamenodeProtocolServerSideTranslatorPB.java:997)
        at 
org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1066)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:415)
        at 
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1844)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)

        at org.apache.hadoop.ipc.Client.call(Client.java:1347)
        at org.apache.hadoop.ipc.Client.call(Client.java:1300)
        at 
org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206)
        at com.sun.proxy.$Proxy10.updatePipeline(Unknown Source)
        at 
org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.updatePipeline(ClientNamenodeProtocolTranslatorPB.java:801)
        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:186)
        at 
org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
        at com.sun.proxy.$Proxy11.updatePipeline(Unknown Source)
        at 
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.setupPipelineForAppendOrRecovery(DFSOutputStream.java:1047)
        at 
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.processDatanodeError(DFSOutputStream.java:823)
        at 
org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:475)
{noformat}




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