Sushil Mohanty created LENS-1429:
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Summary: Queries failing intermittently with NO_REF_COL_AVAILABLE
Key: LENS-1429
URL: https://issues.apache.org/jira/browse/LENS-1429
Project: Apache Lens
Issue Type: Bug
Components: cube
Reporter: Sushil Mohanty
Assignee: Sushil Mohanty
Have seen queries failing intermittently with below error.
{CODE}
16 May 2017 11:59:39 [5af8e7ad-b9d7-44db-abdf-d8a28bdb9f3c]
[f38a238e-abcb-4168-a052-7114cee1c3a6 estimate-128] WARN
org.apache.lens.server.rewrite.RewriteUtil - Driver : hive/prod Skipped for
the query rewriting due to
org.apache.lens.server.api.error.LensException: NO_REF_COL_AVAILABLE[my_ref_col]
at
org.apache.lens.cube.parse.DenormalizationResolver$DenormalizationContext.pickColumnsForTable(DenormalizationResolver.java:227)
~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
at
org.apache.lens.cube.parse.DenormalizationResolver$DenormalizationContext.rewriteDenormctx(DenormalizationResolver.java:150)
~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
at
org.apache.lens.cube.parse.DimHQLContext.addDenormDims(DimHQLContext.java:119)
~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
at
org.apache.lens.cube.parse.MultiCandidateQueryWriterContext.addDenormDims(MultiCandidateQueryWriterContext.java:56)
~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
at
org.apache.lens.cube.parse.CubeQueryContext.getQueryWriter(CubeQueryContext.java:927)
~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
at
org.apache.lens.cube.parse.CubeQueryContext.toHQL(CubeQueryContext.java:947)
~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
at
org.apache.lens.server.rewrite.RewriteUtil$DriverRewriterRunnable.run(RewriteUtil.java:396)
~[classes/:na]
at
org.apache.lens.server.query.QueryExecutionServiceImpl$RewriteEstimateRunnable.run(QueryExecutionServiceImpl.java:1855)
[classes/:na]
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
[na:1.8.0_40]
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
[na:1.8.0_40]
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
[na:1.8.0_40]
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
[na:1.8.0_40]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_40]
{CODE}
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