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https://issues.apache.org/jira/browse/LENS-1453?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16092927#comment-16092927
]
Rajat Khandelwal commented on LENS-1453:
----------------------------------------
Taking patch from reviewboard and attaching
> Method metrics names duplicate for segmentation inner rewrite
> -------------------------------------------------------------
>
> Key: LENS-1453
> URL: https://issues.apache.org/jira/browse/LENS-1453
> Project: Apache Lens
> Issue Type: Bug
> Components: cube
> Reporter: Rajat Khandelwal
> Assignee: Rajat Khandelwal
> Attachments: LENS-1453.01.patch
>
>
> {noformat}
> java.lang.IllegalArgumentException: A metric named
> lens.MethodMetricGauge.9a18f287-a40f-4108-b499-932c3edf6eaa-hive/prod-org.apache.lens.cube.parse.ColumnResolver-ITER-0
> already exists
> at com.codahale.metrics.MetricRegistry.register(MetricRegistry.java:91)
> ~[metrics-core-3.0.2.jar:3.0.2]
> at
> org.apache.lens.server.api.metrics.MethodMetricGauge.markSuccess(MethodMetricGauge.java:61)
> ~[lens-server-api-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:264)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:232)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.SegmentationCandidate.rewriteInternal(SegmentationCandidate.java:145)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.SegmentationInnerRewriter$Exploder.shouldBeRemoved(SegmentationInnerRewriter.java:57)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.SegmentationInnerRewriter$Exploder.access$300(SegmentationInnerRewriter.java:49)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.SegmentationInnerRewriter.lambda$rewriteContext$0(SegmentationInnerRewriter.java:46)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.SegmentationInnerRewriter$$Lambda$82/1668365591.test(Unknown
> Source) ~[na:na]
> at java.util.Collection.removeIf(Collection.java:414) ~[na:1.8.0_40]
> at
> org.apache.lens.cube.parse.SegmentationInnerRewriter.rewriteContext(SegmentationInnerRewriter.java:46)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:263)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:232)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.cube.parse.CubeQueryRewriter.rewrite(CubeQueryRewriter.java:248)
> ~[lens-cube-2.7.0-SNAPSHOT.jar:2.7.0-SNAPSHOT]
> at
> org.apache.lens.server.rewrite.RewriteUtil$DriverRewriterRunnable.run(RewriteUtil.java:392)
> ~[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]
> {noformat}
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