building cube error when the step "Convert Cuboid Data to HFile"

[dong wang]

as checked in the apache-tomcat-7.0.57/logs/kylin_job.log, it says as below:

[QuartzScheduler_Worker-9]:[2015-02-05
14:15:22,572][DEBUG][com.kylinolap.job.tools.HadoopStatusChecker.checkStatus(HadoopStatusChecker.java:74)]
- State of Hadoop job: job_1422357952310_0226:FINISHED-FAILED
[QuartzScheduler_Worker-9]:[2015-02-05
14:15:22,622][ERROR][com.kylinolap.job.cmd.JavaHadoopCmdOutput.updateJobCounter(JavaHadoopCmdOutput.java:176)]
-
java.lang.NullPointerException
        at
com.kylinolap.job.cmd.JavaHadoopCmdOutput.updateJobCounter(JavaHadoopCmdOutput.java:162)
        at
com.kylinolap.job.cmd.JavaHadoopCmdOutput.getStatus(JavaHadoopCmdOutput.java:85)
        at
com.kylinolap.job.flow.AsyncJobFlowNode.execute(AsyncJobFlowNode.java:86)
        at org.quartz.core.JobRunShell.run(JobRunShell.java:202)
        at
org.quartz.simpl.SimpleThreadPool$WorkerThread.run(SimpleThreadPool.java:573)