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https://issues.apache.org/jira/browse/LENS-648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Amareshwari Sriramadasu updated LENS-648:
-----------------------------------------
Attachment: LENS-648.2.patch
Patch after review
> NPE in CandidateTableResolver
> -----------------------------
>
> Key: LENS-648
> URL: https://issues.apache.org/jira/browse/LENS-648
> Project: Apache Lens
> Issue Type: Bug
> Components: cube
> Affects Versions: 2.2
> Reporter: Amareshwari Sriramadasu
> Assignee: Amareshwari Sriramadasu
> Fix For: 2.3
>
> Attachments: LENS-648.2.patch, LENS-648.patch
>
>
> Here is a NPE we saw :
> {noformat}
> 30 Jun 2015 09:53:46,287 [estimate-2] WARN
> org.apache.lens.driver.cube.RewriteUtil - Driver :
> org.apache.lens.driver.jdbc.JDBCDriver@5da9a418 Skipped for the query
> rewriting due to
> java.lang.NullPointerException
> at
> org.apache.lens.cube.parse.CandidateTableResolver.checkForSourceReachabilityForDenormCandidates(CandidateTableResolver.java:547)
> at
> org.apache.lens.cube.parse.CandidateTableResolver.rewriteContext(CandidateTableResolver.java:81)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:217)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:192)
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:203)
> at
> org.apache.lens.driver.cube.RewriteUtil$DriverRewriterRunnable.run(RewriteUtil.java:320)
> at
> org.apache.lens.server.query.QueryExecutionServiceImpl$RewriteEstimateRunnable.run(QueryExecutionServiceImpl.java:1223)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:745)
> {noformat}
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