Workflow node qualitis execution wrong and throws null pointer exception

[chaogefeng]

2019-12-12 23:04:41.706 ERROR [Engine-Scheduler-ThreadPool-2] com.webank.wedatasphere.appjoint.QualitisAppJoint 106 submit - Error! Can not submit job java.lang.NullPointerException: null
        at com.webank.wedatasphere.appjoint.QualitisNodeExecution.submit(QualitisNodeExecution.java:67) [dss-qualitis-appjoint-0.6.0.jar:?]
        at com.webank.wedatasphere.dss.appjoint.execution.core.LongTermNodeExecution.execute(LongTermNodeExecution.java:65) [dss-appjoint-core-0.6.0.jar:?]
        at com.webank.wedatasphere.dss.linkis.appjoint.entrance.execute.AppJointEntranceEngine.execute(AppJointEntranceEngine.scala:169) [linkis-appjoint-entrance-0.6.0.jar:?]
        at com.webank.wedatasphere.dss.linkis.appjoint.entrance.job.AppJointEntranceJob$$anonfun$1.apply(AppJointEntranceJob.scala:75) [linkis-appjoint-entrance-0.6.0.jar:?]
        at com.webank.wedatasphere.dss.linkis.appjoint.entrance.job.AppJointEntranceJob$$anonfun$1.apply(AppJointEntranceJob.scala:75) [linkis-appjoint-entrance-0.6.0.jar:?]
        at com.webank.wedatasphere.linkis.common.utils.Utils$.tryCatch(Utils.scala:48) [linkis-common-0.9.1.jar:?]
        at com.webank.wedatasphere.dss.linkis.appjoint.entrance.job.AppJointEntranceJob.run(AppJointEntranceJob.scala:75) [linkis-appjoint-entrance-0.6.0.jar:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_141]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_141]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_141]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_141]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_141]