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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