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From "ZhouKang (Jira)" <j...@apache.org>
Subject [jira] [Created] (KYLIN-4244) ClassNotFoundException while use org.apache.kylin.engine.mr.common.CubeStatsReader in bash
Date Thu, 07 Nov 2019 10:20:00 GMT
ZhouKang created KYLIN-4244:
-------------------------------

             Summary: 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


use kylin.sh

 
{code:java}
// code placeholder
bash ./kylin.sh org.apache.kylin.engine.mr.common.CubeStatsReader caifeng_usage_cube
{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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