Description
SparkCounters may be null and NPE is thrown:
2014-12-09 22:37:15,268 ERROR [HiveServer2-Background-Pool: Thread-44]: exec.Task (SparkTask.java:execute(119)) - Failed to execute spark task. java.lang.NullPointerException at org.apache.hadoop.hive.ql.exec.spark.Statistic.SparkStatisticsBuilder.add(SparkStatisticsBuilder.java:49) at org.apache.hadoop.hive.ql.exec.spark.status.impl.RemoteSparkJobStatus.getSparkStatistics(RemoteSparkJobStatus.java:112) at org.apache.hadoop.hive.ql.exec.spark.SparkTask.execute(SparkTask.java:110) at org.apache.hadoop.hive.ql.exec.Task.executeTask(Task.java:160) at org.apache.hadoop.hive.ql.exec.TaskRunner.runSequential(TaskRunner.java:85) at org.apache.hadoop.hive.ql.Driver.launchTask(Driver.java:1646) at org.apache.hadoop.hive.ql.Driver.execute(Driver.java:1406) at org.apache.hadoop.hive.ql.Driver.runInternal(Driver.java:1218) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1045) at org.apache.hadoop.hive.ql.Driver.run(Driver.java:1040) at org.apache.hive.service.cli.operation.SQLOperation.runQuery(SQLOperation.java:145) at org.apache.hive.service.cli.operation.SQLOperation.access$100(SQLOperation.java:70) at org.apache.hive.service.cli.operation.SQLOperation$1$1.run(SQLOperation.java:197) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614) at org.apache.hive.service.cli.operation.SQLOperation$1.run(SQLOperation.java:209) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask.run(FutureTask.java:262) 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)