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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2016/11/23 18:31:58 UTC

[jira] [Commented] (HBASE-17171) IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers have no time to run

    [ https://issues.apache.org/jira/browse/HBASE-17171?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15690976#comment-15690976 ] 

stack commented on HBASE-17171:
-------------------------------

+1

Excellent.

> IntegrationTestTimeBoundedRequestsWithRegionReplicas fails with obtuse error when readers have no time to run
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-17171
>                 URL: https://issues.apache.org/jira/browse/HBASE-17171
>             Project: HBase
>          Issue Type: Bug
>          Components: integration tests
>            Reporter: Josh Elser
>            Assignee: Josh Elser
>            Priority: Minor
>             Fix For: 2.0.0
>
>         Attachments: HBASE-17171.001.patch
>
>
> Just noticed an odd error message that cropped up in some $dayjob internal testing.
> Sometimes, executions of IntegrationTestTimeBoundedRequestsWithRegionReplicas would result in an error:
> {noformat}
> Caused by: java.lang.IllegalArgumentException: Please configure hbase.TimeBoundedMultiThreadedReader.runtime
>   at org.apache.hadoop.hbase.test.IntegrationTestTimeBoundedRequestsWithRegionReplicas$TimeBoundedMultiThreadedReader.<init>
> {noformat}
> After digging into the test a bit more, I realized that this is actually failing because the remaining time left after the writers finish (that is, {{hbase.IntegrationTestTimeBoundedRequestsWithRegionReplicas.runtime}} minus the time the writers took) was negative. So, the test harness passed a value which always caused this error.
> We should catch when the time available for the readers is negative and throw an appropriate error instructing the human to either increase the amount of time for {{hbase.IntegrationTestTimeBoundedRequestsWithRegionReplicas.runtime}} or decrease the amount of data written.



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