java.lang.NullPointerException: This exception has no message.

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java.lang.NullPointerException:
at controllers.MetricsController.setJobProcessingTime(MetricsController.java:187)
at com.linkedin.drelephant.ElephantRunner$ExecutorJob.run(ElephantRunner.java:181)
at java.util.concurrent.Executors$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)

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