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Posted to dev@kylin.apache.org by 35925138 <35...@qq.com> on 2017/04/26 05:48:48 UTC
回复： java.lang.NullPointerException
1.6.0
------------------ 原始邮件 ------------------
发件人: "Li Yang";<li...@apache.org>;
发送时间: 2017年4月26日(星期三) 中午1:48
收件人: "dev"<de...@kylin.apache.org>;
主题: Re: java.lang.NullPointerException
What the Kylin version?
On Tue, Apr 25, 2017 at 8:24 AM, 35925138 <35...@qq.com> wrote:
> 你好：
> 我再merge cube时，执行到第四步
> 的时候报错，错误的日志为：
> 2017-04-25 08:13:24,313 ERROR [IPC Server handler 3 on 41962]
> org.apache.hadoop.mapred.TaskAttemptListenerImpl: Task:
> attempt_1492659249668_0138_m_000004_0 - exited :
> java.lang.NullPointerException
> at org.apache.kylin.dimension.DictionaryDimEnc.<init>(
> DictionaryDimEnc.java:56)
> at org.apache.kylin.dimension.DictionaryDimEnc.<init>(
> DictionaryDimEnc.java:51)
> at org.apache.kylin.measure.topn.TopNMeasureType.
> getDimensionEncodings(TopNMeasureType.java:417)
> at org.apache.kylin.measure.topn.TopNMeasureType.access$100(
> TopNMeasureType.java:52)
> at org.apache.kylin.measure.topn.TopNMeasureType$1.
> reEncodeDictionary(TopNMeasureType.java:166)
> at org.apache.kylin.measure.topn.TopNMeasureType$1.
> reEncodeDictionary(TopNMeasureType.java:117)
> at org.apache.kylin.engine.mr.steps.MergeCuboidMapper.map(
> MergeCuboidMapper.java:239)
> at org.apache.kylin.engine.mr.steps.MergeCuboidMapper.map(
> MergeCuboidMapper.java:62)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:145)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:784)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)
> at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
> at java.security.AccessController.doPrivileged(Native Method)
> at javax.security.auth.Subject.doAs(Subject.java:422)
> at org.apache.hadoop.security.UserGroupInformation.doAs(
> UserGroupInformation.java:1628)
> at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
>
> 这是什么问题，我改如何调整？
>