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https://issues.apache.org/jira/browse/LENS-130?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14247768#comment-14247768
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Amareshwari Sriramadasu commented on LENS-130:
----------------------------------------------
Test result with the patch :
{noformat}
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO]
[INFO] Lens Checkstyle Rules ............................. SUCCESS [1.339s]
[INFO] Lens .............................................. SUCCESS [3.562s]
[INFO] Lens API .......................................... SUCCESS [5.749s]
[INFO] Lens API for server and extensions ................ SUCCESS [4.567s]
[INFO] Lens Cube ......................................... SUCCESS [6:49.882s]
[INFO] Lens DB storage ................................... SUCCESS [11.894s]
[INFO] Lens Query Library ................................ SUCCESS [5.306s]
[INFO] Lens Hive Driver .................................. SUCCESS [2:53.171s]
[INFO] Lens Driver for Cloudera Impala ................... SUCCESS [3.259s]
[INFO] Lens Driver for JDBC .............................. SUCCESS [28.533s]
[INFO] Lens Server ....................................... SUCCESS [4:51.712s]
[INFO] Lens client ....................................... SUCCESS [2.873s]
[INFO] Lens CLI .......................................... SUCCESS [1:59.606s]
[INFO] Lens Examples ..................................... SUCCESS [0.762s]
[INFO] Lens Distribution ................................. SUCCESS [5.284s]
[INFO] Lens Client Distribution .......................... SUCCESS [5.753s]
[INFO] Lens ML Lib ....................................... SUCCESS [50.160s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
{noformat}
> ConcurrentModificationException in JoinResolver
> -----------------------------------------------
>
> Key: LENS-130
> URL: https://issues.apache.org/jira/browse/LENS-130
> Project: Apache Lens
> Issue Type: Bug
> Components: cube
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Priority: Critical
> Fix For: 2.0
>
> Attachments: LENS-130.patch
>
>
> Here is the exception trace :
> {noformat}
> 15 Dec 2014 16:28:59,155 [QuerySubmitter] WARN
> org.apache.lens.driver.cube.RewriteUtil - Driver :
> org.apache.lens.driver.jdbc.JDBCDriver Skipped for the query rewriting due to
> java.util.ConcurrentModificationException
> at
> java.util.LinkedHashMap$LinkedHashIterator.nextEntry(LinkedHashMap.java:390)
> at java.util.LinkedHashMap$ValueIterator.next(LinkedHashMap.java:405)
> at
> org.apache.lens.cube.parse.JoinResolver$AutoJoinContext.pruneAllPathsForCandidateDims(JoinResolver.java:482)
> at
> org.apache.lens.cube.parse.StorageTableResolver.rewriteContext(StorageTableResolver.java:163)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:186)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:170)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:181)
> at
> org.apache.lens.driver.cube.RewriteUtil.rewriteQuery(RewriteUtil.java:249)
> at
> org.apache.lens.server.query.QueryExecutionServiceImpl.rewriteAndSelect(QueryExecutionServiceImpl.java:967)
> at
> org.apache.lens.server.query.QueryExecutionServiceImpl.access$800(QueryExecutionServiceImpl.java:89)
> at
> org.apache.lens.server.query.QueryExecutionServiceImpl$QuerySubmitter.run(QueryExecutionServiceImpl.java:476)
> at java.lang.Thread.run(Thread.java:701)
> {noformat}
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