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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	at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvent(	at org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor.processEvents(	at org.apache.http.impl.nio.reactor.AbstractMultiworkerIOReactor.execute(	at org.apache.http.impl.nio.conn.PoolingNHttpClientConnectionManager.execute(	at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.doExecute(	at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase.access$000(	at org.apache.http.impl.nio.client.CloseableHttpAsyncClientBase$	at