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https://issues.apache.org/jira/browse/LENS-522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14550108#comment-14550108
]
Hudson commented on LENS-522:
-----------------------------
SUCCESS: Integrated in Lens-Commit #784 (See
[https://builds.apache.org/job/Lens-Commit/784/])
LENS-522 : Fix ConcurrentModificationException in FieldValidator (amareshwari)
(amareshwari: rev 81302fad5cc904a747214a4ccb6addeb930f7897)
* lens-cube/src/main/java/org/apache/lens/cube/metadata/DerivedCube.java
> ConcurrentModificationException while doing parallel estimate
> -------------------------------------------------------------
>
> Key: LENS-522
> URL: https://issues.apache.org/jira/browse/LENS-522
> Project: Apache Lens
> Issue Type: Bug
> Components: cube, server
> Affects Versions: 2.1
> Reporter: Arshad Matin
> Assignee: Amareshwari Sriramadasu
> Priority: Critical
> Fix For: 2.1
>
> Attachments: LENS-522.2.patch
>
>
> {noformat}
> 22 Apr 2015 11:14:46,755 [estimate-3] WARN
> org.apache.lens.driver.cube.RewriteUtil - Driver :
> org.apache.lens.driver.jdbc.JDBCDriver@4ebbd9cc Skipped for the query
> rewriting due to
> java.util.ConcurrentModificationException
> at java.util.HashMap$HashIterator.nextEntry(HashMap.java:810)
> at java.util.HashMap$KeyIterator.next(HashMap.java:845)
> at
> org.apache.lens.cube.metadata.DerivedCube.getDimAttributeNames(DerivedCube.java:247)
> at
> org.apache.lens.cube.parse.FieldValidator.validateFields(FieldValidator.java:74)
> at
> org.apache.lens.cube.parse.FieldValidator.rewriteContext(FieldValidator.java:40)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:198)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:173)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:184)
> at
> org.apache.lens.driver.cube.RewriteUtil$DriverRewriterRunnable.run(RewriteUtil.java:305)
> at
> org.apache.lens.server.query.QueryExecutionServiceImpl$RewriteEstimateRunnable.run(QueryExecutionServiceImpl.java:1163)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:701)
> {noformat}
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