java.lang.IllegalStateException: stats.maxValueLength is not positive short, usually caused by too long dict value.
	at org.apache.kylin.dict.TrieDictionaryBuilder.positiveShortPreCheck(TrieDictionaryBuilder.java:496)
	at org.apache.kylin.dict.TrieDictionaryBuilder.buildTrieBytes(TrieDictionaryBuilder.java:451)
	at org.apache.kylin.dict.TrieDictionaryBuilder.build(TrieDictionaryBuilder.java:422)
	at org.apache.kylin.dict.lookup.SnapshotTable.takeSnapshot(SnapshotTable.java:113)
	at org.apache.kylin.dict.lookup.SnapshotManager.buildSnapshot(SnapshotManager.java:133)
	at org.apache.kylin.cube.CubeManager$DictionaryAssist.buildSnapshotTable(CubeManager.java:1130)
	at org.apache.kylin.cube.CubeManager.buildSnapshotTable(CubeManager.java:1046)
	at org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:90)
	at org.apache.kylin.cube.cli.DictionaryGeneratorCLI.processSegment(DictionaryGeneratorCLI.java:49)
	at org.apache.kylin.engine.mr.steps.CreateDictionaryJob.run(CreateDictionaryJob.java:71)
	at org.apache.kylin.engine.mr.MRUtil.runMRJob(MRUtil.java:92)
	at org.apache.kylin.engine.mr.common.HadoopShellExecutable.doWork(HadoopShellExecutable.java:63)
	at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:162)
	at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:69)
	at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:162)
	at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:307)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
	at java.lang.Thread.run(Thread.java:745)

result code:2