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Date: Thu, 25 Aug 2016 14:00:30 +0000 (UTC)
From: "Yuki Morishita (JIRA)" <jira@apache.org>
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Subject: [jira] [Commented] (CASSANDRA-12512) compaction-stress: assertion
 error on accessing Schema.instance from client-mode tool
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archived-at: Thu, 25 Aug 2016 14:00:32 -0000


    [ https://issues.apache.org/jira/browse/CASSANDRA-12512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15436905#comment-15436905 ] 

Yuki Morishita commented on CASSANDRA-12512:
--------------------------------------------

Tests passed.

||branch||testall||dtest||
|[12512|https://github.com/yukim/cassandra/tree/12512]|[testall|http://cassci.datastax.com/view/Dev/view/yukim/job/yukim-12512-testall/lastCompletedBuild/testReport/]|[dtest|http://cassci.datastax.com/view/Dev/view/yukim/job/yukim-12512-dtest/lastCompletedBuild/testReport/]|


> compaction-stress: assertion error on accessing Schema.instance from client-mode tool
> -------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-12512
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-12512
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Wei Deng
>            Assignee: Yuki Morishita
>             Fix For: 3.x
>
>
> When I was trying the new compaction-stress tool from 3.10, I ran into the following error:
> {noformat}
> automaton@0ce59d338-1:~/cassandra-trunk$ ./tools/bin/compaction-stress write -d /tmp/compaction -g 5 -p https://gist.githubusercontent.com/tjake/8995058fed11d9921e31/raw/a9334d1090017bf546d003e271747351a40692ea/blogpost.yaml -t 4
> java.lang.AssertionError: This assertion failure is probably due to accessing Schema.instance from client-mode tools - See CASSANDRA-8143.
> 	at org.apache.cassandra.config.CFMetaData.<init>(CFMetaData.java:288)
> 	at org.apache.cassandra.config.CFMetaData.<init>(CFMetaData.java:66)
> 	at org.apache.cassandra.config.CFMetaData$Builder.build(CFMetaData.java:1332)
> 	at org.apache.cassandra.config.CFMetaData.compile(CFMetaData.java:433)
> 	at org.apache.cassandra.stress.StressProfile.init(StressProfile.java:174)
> 	at org.apache.cassandra.stress.StressProfile.load(StressProfile.java:801)
> 	at org.apache.cassandra.stress.CompactionStress.getStressProfile(CompactionStress.java:162)
> 	at org.apache.cassandra.stress.CompactionStress$DataWriter.run(CompactionStress.java:289)
> 	at org.apache.cassandra.stress.CompactionStress.main(CompactionStress.java:353)
> {noformat}
> [UPDATE] It appears that {{compaction-stress compact}} fails on the same assert but via a totally different code path. The stack trace is like the following:
> {noformat}
> automaton@0ce59d338-1:~/cassandra-trunk$ ./tools/bin/compaction-stress compact -d /tmp/compaction -p https://gist.githubusercontent.com/tjake/8995058fed11d9921e31/raw/a9334d1090017bf546d003e271747351a40692ea/blogpost.yaml -t 4
> java.lang.AssertionError: This assertion failure is probably due to accessing Schema.instance from client-mode tools - See CASSANDRA-8143.
> 	at org.apache.cassandra.config.CFMetaData.<init>(CFMetaData.java:288)
> 	at org.apache.cassandra.config.CFMetaData.<init>(CFMetaData.java:66)
> 	at org.apache.cassandra.config.CFMetaData$Builder.build(CFMetaData.java:1332)
> 	at org.apache.cassandra.config.CFMetaData.compile(CFMetaData.java:433)
> 	at org.apache.cassandra.db.SystemKeyspace.compile(SystemKeyspace.java:434)
> 	at org.apache.cassandra.db.SystemKeyspace.<clinit>(SystemKeyspace.java:115)
> 	at org.apache.cassandra.stress.CompactionStress$Compaction.run(CompactionStress.java:213)
> 	at org.apache.cassandra.stress.CompactionStress.main(CompactionStress.java:353)
> {noformat}
> (the last revision of the description had the wrong stack trace pasted and I've corrected that.)
> As you can see this 2nd assert on {{compaction-stress compact}} is triggered by SystemKeyspace class, so fix in StressProfile class is only able to solve the assert problem for {{compaction-stress write}}, but not {{compaction-stress compact}}.



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