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Posted to issues@kylin.apache.org by "Shao Feng Shi (Jira)" <ji...@apache.org> on 2019/11/07 13:43:00 UTC
[jira] [Assigned] (KYLIN-4244) ClassNotFoundException while use
org.apache.kylin.engine.mr.common.CubeStatsReader in bash
[ https://issues.apache.org/jira/browse/KYLIN-4244?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Shao Feng Shi reassigned KYLIN-4244:
------------------------------------
Assignee: ZhouKang
> ClassNotFoundException while use org.apache.kylin.engine.mr.common.CubeStatsReader in bash
> ------------------------------------------------------------------------------------------
>
> Key: KYLIN-4244
> URL: https://issues.apache.org/jira/browse/KYLIN-4244
> Project: Kylin
> Issue Type: Bug
> Reporter: ZhouKang
> Assignee: ZhouKang
> Priority: Major
>
> use org.apache.kylin.engine.mr.common.CubeStatsReader to print estimated size for cube
>
> {code:java}
> // code placeholder
> bash ./kylin.sh org.apache.kylin.engine.mr.common.CubeStatsReader {cube_name}
> {code}
> get an Exception
> {code:java}
> // code placeholder
> Exception in thread "main" java.lang.NoClassDefFoundError: com/tdunning/math/stats/TDigest
> at org.apache.kylin.measure.percentile.PercentileSerializer.current(PercentileSerializer.java:62)
> at org.apache.kylin.measure.percentile.PercentileSerializer.getStorageBytesEstimate(PercentileSerializer.java:52)
> at org.apache.kylin.metadata.datatype.DataType.getStorageBytesEstimate(DataType.java:256)
> at org.apache.kylin.engine.mr.common.CubeStatsReader.estimateCuboidStorageSize(CubeStatsReader.java:251)
> at org.apache.kylin.engine.mr.common.CubeStatsReader.getCuboidSizeMapFromRowCount(CubeStatsReader.java:211)
> at org.apache.kylin.engine.mr.common.CubeStatsReader.getCuboidSizeMap(CubeStatsReader.java:170)
> at org.apache.kylin.engine.mr.common.CubeStatsReader.print(CubeStatsReader.java:273)
> at org.apache.kylin.engine.mr.common.CubeStatsReader.main(CubeStatsReader.java:435)
> Caused by: java.lang.ClassNotFoundException: com.tdunning.math.stats.TDigest
> at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
> at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349)
> at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
> ... 8 more
> {code}
>
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