[jira] [Created] (HDFS-10541) When no actions in plan, error message says "Plan was generated more than 24 hours ago"

["Lei (Eddy) Xu (JIRA)" <ji...@apache.org>]

Lei (Eddy) Xu created HDFS-10541:
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             Summary: When no actions in plan, error message says "Plan was generated more than 24 hours ago"
                 Key: HDFS-10541
                 URL: https://issues.apache.org/jira/browse/HDFS-10541
             Project: Hadoop HDFS
          Issue Type: Sub-task
    Affects Versions: HDFS-1312
            Reporter: Lei (Eddy) Xu
            Priority: Minor


The message is misleading. Instead, it should make it clear that there are no steps (or no action) to take in this plan - and should probably not error out.

{code}
16/06/16 14:56:53 INFO command.Command: Executing "execute plan" command
Plan was generated more than 24 hours ago.
	at org.apache.hadoop.hdfs.server.datanode.DiskBalancer.verifyTimeStamp(DiskBalancer.java:387)
	at org.apache.hadoop.hdfs.server.datanode.DiskBalancer.verifyPlan(DiskBalancer.java:315)
	at org.apache.hadoop.hdfs.server.datanode.DiskBalancer.submitPlan(DiskBalancer.java:173)
	at org.apache.hadoop.hdfs.server.datanode.DataNode.submitDiskBalancerPlan(DataNode.java:3059)
	at org.apache.hadoop.hdfs.protocolPB.ClientDatanodeProtocolServerSideTranslatorPB.submitDiskBalancerPlan(ClientDatanodeProtocolServerSideTranslatorPB.java:299)
	at org.apache.hadoop.hdfs.protocol.proto.ClientDatanodeProtocolProtos$ClientDatanodeProtocolService$2.callBlockingMethod(ClientDatanodeProtocolProtos.java:17509)
	at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:617)
	at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:1073)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2086)
	at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2082)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1693)
	at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2080)
{code}

This happens when a plan looks like the following one:
{code}
{"volumeSetPlans":[],"nodeName":"a.b.c","nodeUUID":null,"port":20001,"timeStamp":0}
{code}



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