Raghavendra Singh created LENS-95:
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Summary: NPE from replaceChainedColumns for some queries
Key: LENS-95
URL: https://issues.apache.org/jira/browse/LENS-95
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:278)
at
org.apache.lens.server.query.QueryExecutionServiceImpl.rewriteAndSelect(QueryExecutionServiceImpl.java:967)
at
org.apache.lens.server.query.QueryExecutionServiceImpl.access$800(QueryExecutionServiceImpl.java:89)
at
org.apache.lens.server.query.QueryExecutionServiceImpl$QuerySubmitter.run(QueryExecutionServiceImpl.java:476)
at java.lang.Thread.run(Thread.java:701)
Caused by: java.lang.NullPointerException
at
org.apache.lens.cube.parse.AliasReplacer.replaceChainedColumns(AliasReplacer.java:116)
at
org.apache.lens.cube.parse.AliasReplacer.rewriteContext(AliasReplacer.java:73)
at
org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:186)
at
org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:170)
at
org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:181)
at
org.apache.lens.driver.cube.RewriteUtil.rewriteQuery(RewriteUtil.java:249)
... 4 more
{CODE}
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