[jira] [Resolved] (KYLIN-1945) Cuboid.translateToValidCuboid method throw exception while cube building or query execute

["hongbin ma (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KYLIN-1945?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

hongbin ma resolved KYLIN-1945.
-------------------------------
       Resolution: Fixed
    Fix Version/s: v1.6.1

> Cuboid.translateToValidCuboid method throw exception while cube building or query execute
> -----------------------------------------------------------------------------------------
>
>                 Key: KYLIN-1945
>                 URL: https://issues.apache.org/jira/browse/KYLIN-1945
>             Project: Kylin
>          Issue Type: Bug
>    Affects Versions: v1.5.3
>         Environment: centos 6.4 ，hadoop 2.6.4，kylin 1.5.3 hbase 1.2.1
>            Reporter: logicigam
>            Assignee: hongbin ma
>             Fix For: v1.6.1
>
>
> I manage to reproduce that exception at sample cube,just by add all of defined dimension as Mandatory Dimensions into that Aggregation Groups,then another group contain just part of dims.
> ===========
> here is the error stack while query execute:
> Caused by: java.util.NoSuchElementException
>         at java.util.ArrayList$Itr.next(ArrayList.java:834)
>         at java.util.Collections.min(Collections.java:665)
>         at org.apache.kylin.cube.cuboid.Cuboid.translateToValidCuboid(Cuboid.java:217)
>         at org.apache.kylin.cube.cuboid.Cuboid.translateToValidCuboid(Cuboid.java:141)
>         at org.apache.kylin.cube.cuboid.Cuboid.findById(Cuboid.java:83)
>         at org.apache.kylin.cube.cuboid.Cuboid.identifyCuboid(Cuboid.java:68)
>         at org.apache.kylin.storage.gtrecord.GTCubeStorageQueryBase.search(GTCubeStorageQueryBase.java:97)
>         at org.apache.kylin.query.enumerator.OLAPEnumerator.queryStorage(OLAPEnumerator.java:120)
>         at org.apache.kylin.query.enumerator.OLAPEnumerator.moveNext(OLAPEnumerator.java:69)
>         at Baz$1$1.moveNext(Unknown Source)
>         at org.apache.calcite.linq4j.EnumerableDefaults.groupBy_(EnumerableDefaults.java:819)
>         at org.apache.calcite.linq4j.EnumerableDefaults.groupBy(EnumerableDefaults.java:754)
>         at org.apache.calcite.linq4j.DefaultEnumerable.groupBy(DefaultEnumerable.java:302)
>         at Baz.bind(Unknown Source)
>         at org.apache.calcite.jdbc.CalcitePrepare$CalciteSignature.enumerable(CalcitePrepare.java:326)
>         at org.apache.calcite.jdbc.CalciteConnectionImpl.enumerable(CalciteConnectionImpl.java:281)
>         at org.apache.calcite.jdbc.CalciteMetaImpl._createIterable(CalciteMetaImpl.java:545)
> and the same thing happen while cube building,exception log could be found at 
> hadoop job monitor page



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