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Date: Fri, 14 Jul 2017 21:17:00 +0000 (UTC)
From: "Ray Chiang (JIRA)" <jira@apache.org>
To: yarn-issues@hadoop.apache.org
Message-ID: <JIRA.13086070.1499718962000.252508.1500067020172@Atlassian.JIRA>
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Subject: [jira] [Commented] (YARN-6798) NM startup failure with old state
 store due to version mismatch
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archived-at: Fri, 14 Jul 2017 21:17:06 -0000


    [ https://issues.apache.org/jira/browse/YARN-6798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16088085#comment-16088085 ] 

Ray Chiang commented on YARN-6798:
----------------------------------

Updating the version table:

|| Patch || LevelDBKey(s) || Hadoop Versions || Commit Date || NM LevelDB Version ||
| YARN-5049 | queued | 3.0.0-alpha1 | May 11, 2016 | 1.2 |
| YARN-6127 | AMRMProxy/NextMasterKey | (2.9.0, 3.0.0-alpha4) | June 22, 2017 | 1.1 |

> NM startup failure with old state store due to version mismatch
> ---------------------------------------------------------------
>
>                 Key: YARN-6798
>                 URL: https://issues.apache.org/jira/browse/YARN-6798
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: nodemanager
>    Affects Versions: 3.0.0-alpha4
>            Reporter: Ray Chiang
>            Assignee: Botong Huang
>         Attachments: YARN-6798.v1.patch
>
>
> YARN-6703 rolled back the state store version number for the RM from 2.0 to 1.4.
> YARN-6127 bumped the version for the NM to 3.0
>     private static final Version CURRENT_VERSION_INFO = Version.newInstance(3, 0);
> YARN-5049 bumped the version for the NM to 2.0
>     private static final Version CURRENT_VERSION_INFO = Version.newInstance(2, 0);
> During an upgrade, all NMs died after upgrading a C6 cluster from alpha2 to alpha4.
> {noformat}
> 2017-07-07 15:48:17,259 FATAL org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManager
> org.apache.hadoop.service.ServiceStateException: java.io.IOException: Incompatible version for NM state: expecting NM state version 3.0, but loading version 2.0
>         at org.apache.hadoop.service.ServiceStateException.convert(ServiceStateException.java:105)
>         at org.apache.hadoop.service.AbstractService.init(AbstractService.java:172)
>         at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartRecoveryStore(NodeManager.java:246)
>         at org.apache.hadoop.yarn.server.nodemanager.NodeManager.serviceInit(NodeManager.java:307)
>         at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>         at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:748)
>         at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:809)
> Caused by: java.io.IOException: Incompatible version for NM state: expecting NM state version 3.0, but loading version 2.0
>         at org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.checkVersion(NMLeveldbStateStoreService.java:1454)
>         at org.apache.hadoop.yarn.server.nodemanager.recovery.NMLeveldbStateStoreService.initStorage(NMLeveldbStateStoreService.java:1308)
>         at org.apache.hadoop.yarn.server.nodemanager.recovery.NMStateStoreService.serviceInit(NMStateStoreService.java:307)
>         at org.apache.hadoop.service.AbstractService.init(AbstractService.java:163)
>         ... 5 more
> 2017-07-07 15:48:17,277 INFO org.apache.hadoop.yarn.server.nodemanager.NodeManager: SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down NodeManager at xxx.gce.cloudera.com/aa.bb.cc.dd
> ************************************************************/
> {noformat}


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