[jira] [Created] (LENS-66) Some queries are failing with NPE instead of proper error message

["Raghavendra Singh (JIRA)" <ji...@apache.org>]

Raghavendra Singh created LENS-66:
-------------------------------------

             Summary: Some queries are failing with NPE instead of proper error message
                 Key: LENS-66
                 URL: https://issues.apache.org/jira/browse/LENS-66
             Project: Apache Lens
          Issue Type: Bug
            Reporter: Raghavendra Singh


{CODE}
org.apache.lens.api.LensException: Rewriting failed, cause :null
	at org.apache.lens.driver.cube.RewriteUtil.rewriteQuery(RewriteUtil.java:307)
	at org.apache.lens.server.query.QueryExecutionServiceImpl.rewriteAndSelect(QueryExecutionServiceImpl.java:915)
	at org.apache.lens.server.query.QueryExecutionServiceImpl.access$800(QueryExecutionServiceImpl.java:89)
	at org.apache.lens.server.query.QueryExecutionServiceImpl$QuerySubmitter.run(QueryExecutionServiceImpl.java:412)
	at java.lang.Thread.run(Thread.java:701)
Caused by: java.lang.NullPointerException
	at org.apache.lens.cube.parse.CandidateTableResolver.resolveCandidateFactTablesForJoins(CandidateTableResolver.java:358)
	at org.apache.lens.cube.parse.CandidateTableResolver.rewriteContext(CandidateTableResolver.java:86)
	at org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:178)
	at org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:162)
	at org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:173)
	at org.apache.lens.driver.cube.RewriteUtil.rewriteQuery(RewriteUtil.java:278)
	... 4 more

{CODE}



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