Shaofeng knows this better.. 2017-04-26 15:11 GMT+08:00 35925138 <[email protected]>:
> 经过测试，发现只有当我的meansures > 定义了topn时，才合并索引时，才会暴这个问题，定义其他类型，例如sum时，没有这个问题，稳定通过，请各位大神看看有木有什么好建议给我。kylin版本1.6.0 > hive版本1.2.1 > > > ------------------ 原始邮件 ------------------ > *发件人:* "35925138";<[email protected]>; > *发送时间:* 2017年4月25日(星期二) 上午8:24 > *收件人:* "dev"<[email protected]>; > *主题:* java.lang.NullPointerException > > 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？ >
