[jira] [Created] (LENS-382) NPE in JoinResolver

["Amareshwari Sriramadasu (JIRA)" <ji...@apache.org>]

Amareshwari Sriramadasu created LENS-382:
--------------------------------------------

             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)

{noformat}



--
This message was sent by Atlassian JIRA
(v6.3.4#6332)