"errorMsg": "Job aborted due to stage failure: Task 9 in stage 13.0 failed 4 times, most recent failure: Lost task 9.3 in stage 13.0 (TID 145, 192.166.162.37, executor 0): java.lang.NullPointerException\n\tat com.supermap.bdt.io.sdx.SDXFeatureRDD.compute(SDXFeatureRDD.scala:573)\n\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)\n\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:287)\n\tat com.supermap.bdt.rdd.SimpleRelationRDD.compute(SimpleRelationRDD.scala:48)\n\tat org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:323)\n\tat org.apache.spark.rdd.RDD.iterator(RDD.scala:287)\n\tat org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:87)\n\tat org.apache.spark.scheduler.Task.run(Task.scala:99)\n\tat org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:282)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat java.lang.Thread.run(Thread.java:748)\n\nDriver stacktrace:",