NPE in ATSHook

2016-11-08T14:21:15,025 INFO  [ATS Logger 0]: hooks.ATSHook (ATSHook.java:run(156)) - Failed to submit plan to ATS: java.lang.NullPointerException
        at org.apache.hadoop.hive.ql.hooks.ATSHook$2.run(ATSHook.java:141)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        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)