com.metamx.common.ISE: Unable to grant lock to inactive Task [index_realtime_MY_DATA_SOURCE_2016-07-28T20:50:00.000Z_0_0]

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    • com.metamx.common.ISE: Unable to grant lock to inactive Task [index_realtime_MY_DATA_SOURCE_2016-07-28T20:50:00.000Z_0_0] at io.druid.indexing.overlord.TaskLockbox.tryLock(TaskLockbox.java:226)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.overlord.TaskLockbox.tryLock(TaskLockbox.java:203)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.overlord.TaskLockbox.lock(TaskLockbox.java:181)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.common.actions.LockAcquireAction.perform(LockAcquireAction.java:59)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.common.actions.LockAcquireAction.perform(LockAcquireAction.java:29)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.common.actions.LocalTaskActionClient.submit(LocalTaskActionClient.java:62)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.common.task.RealtimeIndexTask$2.getVersion(RealtimeIndexTask.java:256)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.segment.realtime.plumber.RealtimePlumber.getSink(RealtimePlumber.java:252)[druid-server-0.8.3.jar:0.8.3] at io.druid.segment.realtime.plumber.RealtimePlumber.add(RealtimePlumber.java:219)[druid-server-0.8.3.jar:0.8.3] at io.druid.indexing.common.task.RealtimeIndexTask.run(RealtimeIndexTask.java:332)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.overlord.ThreadPoolTaskRunner$ThreadPoolTaskRunnerCallable.call(ThreadPoolTaskRunner.java:285)[druid-indexing-service-0.8.3.jar:0.8.3] at io.druid.indexing.overlord.ThreadPoolTaskRunner$ThreadPoolTaskRunnerCallable.call(ThreadPoolTaskRunner.java:265)[druid-indexing-service-0.8.3.jar:0.8.3] at java.util.concurrent.FutureTask.run(FutureTask.java:266)[?:1.8.0_73] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)[?:1.8.0_73] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)[?:1.8.0_73] at java.lang.Thread.run(Thread.java:745)[?:1.8.0_73]
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