Connection refused

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This was a bug at HBase 1.0.1, it has been patched, so an update to 1.0.2 or further should solve the problem. URL for the Jira thread: Connection refused
at Method)
at com.twitter.heron.common.basics.NIOLooper.handleSelectedKeys(
at com.twitter.heron.common.basics.NIOLooper.access$000(
at com.twitter.heron.common.basics.NIOLooper$
at com.twitter.heron.common.basics.WakeableLooper.executeTasksOnWakeup(
at com.twitter.heron.common.basics.WakeableLooper.runOnce(
at com.twitter.heron.common.basics.WakeableLooper.loop(
at java.util.concurrent.ThreadPoolExecutor.runWorker(
at java.util.concurrent.ThreadPoolExecutor$

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