2017-06-19 10:27:35,757 ERROR [pool-9-thread-4] threadpool.DefaultScheduler:140 : ExecuteException job:933bc47a-302c-48fa-8ec9-ae8730057175org.apache.kylin.job.exception.ExecuteException: org.apache.kylin.job.exception.ExecuteException: java.lang.NullPointerException        at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:123)        at org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:136)        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)        at java.lang.Thread.run(Thread.java:745)Caused by: org.apache.kylin.job.exception.ExecuteException: java.lang.NullPointerException        at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:123)        at org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:57)        at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113)        ... 4 moreCaused by: java.lang.NullPointerException        at org.apache.kylin.source.hive.CreateFlatHiveTableStep.getCubeSpecificConfig(CreateFlatHiveTableStep.java:100)        at org.apache.kylin.source.hive.CreateFlatHiveTableStep.doWork(CreateFlatHiveTableStep.java:105)        at org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:113)        ... 6 more