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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6654) RollingLevelDBTimelineStore backwards incompatible after fst upgrade
Date Thu, 13 Jul 2017 19:27:01 GMT

    [ https://issues.apache.org/jira/browse/YARN-6654?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16086266#comment-16086266
] 

Jason Lowe commented on YARN-6654:
----------------------------------

Thanks for updating the patch [~jeagles]!

+1 lgtm.  Will commit this pending another Jenkins run since it's been a while.

> RollingLevelDBTimelineStore backwards incompatible after fst upgrade
> --------------------------------------------------------------------
>
>                 Key: YARN-6654
>                 URL: https://issues.apache.org/jira/browse/YARN-6654
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Jonathan Eagles
>            Assignee: Jonathan Eagles
>            Priority: Blocker
>         Attachments: YARN-6654.1.patch, YARN-6654.2.patch, YARN-6654.3.patch
>
>
> There is a small minor backwards compatible change introduced while upgrading fst library
from 2.24 to 2.50.
> {code}
> Exception in thread "main" java.io.IOException: java.lang.RuntimeException: unable to
find class for code 83
> 	at org.nustaq.serialization.FSTObjectInput.readObject(FSTObjectInput.java:243)
> 	at org.nustaq.serialization.FSTConfiguration.asObject(FSTConfiguration.java:1125)
> 	at org.nustaq.serialization.FSTNoJackson.main(FSTNoJackson.java:31)
> Caused by: java.lang.RuntimeException: unable to find class for code 83
> 	at org.nustaq.serialization.FSTClazzNameRegistry.decodeClass(FSTClazzNameRegistry.java:180)
> 	at org.nustaq.serialization.coders.FSTStreamDecoder.readClass(FSTStreamDecoder.java:472)
> 	at org.nustaq.serialization.FSTObjectInput.readClass(FSTObjectInput.java:933)
> 	at org.nustaq.serialization.FSTObjectInput.readObjectWithHeader(FSTObjectInput.java:343)
> 	at org.nustaq.serialization.FSTObjectInput.readObjectInternal(FSTObjectInput.java:327)
> 	at org.nustaq.serialization.serializers.FSTArrayListSerializer.instantiate(FSTArrayListSerializer.java:63)
> 	at org.nustaq.serialization.FSTObjectInput.instantiateAndReadWithSer(FSTObjectInput.java:497)
> 	at org.nustaq.serialization.FSTObjectInput.readObjectWithHeader(FSTObjectInput.java:366)
> 	at org.nustaq.serialization.FSTObjectInput.readObjectInternal(FSTObjectInput.java:327)
> 	at org.nustaq.serialization.serializers.FSTMapSerializer.instantiate(FSTMapSerializer.java:78)
> 	at org.nustaq.serialization.FSTObjectInput.instantiateAndReadWithSer(FSTObjectInput.java:497)
> 	at org.nustaq.serialization.FSTObjectInput.readObjectWithHeader(FSTObjectInput.java:366)
> 	at org.nustaq.serialization.FSTObjectInput.readObjectInternal(FSTObjectInput.java:327)
> 	at org.nustaq.serialization.FSTObjectInput.readObject(FSTObjectInput.java:307)
> 	at org.nustaq.serialization.FSTObjectInput.readObject(FSTObjectInput.java:241)
> {code}



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