Amareshwari Sriramadasu created LENS-382:
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Summary: NPE in JoinResolver
Key: LENS-382
URL: https://issues.apache.org/jira/browse/LENS-382
Project: Apache Lens
Issue Type: Bug
Components: cube
Affects Versions: 2.0
Reporter: Amareshwari Sriramadasu
Fix For: 2.1
We have seen NPE in JoinResolver mostly with wrong join chains defined in
schema. But it should give proper error out than NPE.
Here is the stacktrace :
{noformat}
03 Mar 2015 04:56:20,798 [QuerySubmitter] WARN
org.apache.lens.driver.cube.RewriteUtil - Driver :
org.apache.lens.driver.hive.HiveDriver Skipped for the query rewriting due to
java.lang.NullPointerException
at
org.apache.lens.cube.parse.JoinResolver$AutoJoinContext.pruneAllPathsForCandidateDims(JoinResolver.java:667)
at
org.apache.lens.cube.parse.CandidateTableResolver.rewriteContext(CandidateTableResolver.java:77)
at
org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:181)
at
org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:165)
at
org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:176)
at
org.apache.lens.driver.cube.RewriteUtil.rewriteQuery(RewriteUtil.java:239)
at
org.apache.lens.server.query.QueryExecutionServiceImpl.rewriteAndSelect(QueryExecutionServiceImpl.java:954)
at
org.apache.lens.server.query.QueryExecutionServiceImpl.access$800(QueryExecutionServiceImpl.java:71)
at
org.apache.lens.server.query.QueryExecutionServiceImpl$QuerySubmitter.run(QueryExecutionServiceImpl.java:460)
at java.lang.Thread.run(Thread.java:701)
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