Index: src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java =================================================================== --- src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java (revision 1195581) +++ src/main/java/org/apache/hadoop/hbase/master/AssignmentManager.java (working copy) @@ -24,6 +24,7 @@ import java.io.IOException; import java.lang.Thread.UncaughtExceptionHandler; import java.util.ArrayList; +import java.util.Arrays; import java.util.Date; import java.util.Collections; import java.util.HashMap; @@ -163,6 +164,10 @@ //Thread pool executor service for timeout monitor private java.util.concurrent.ExecutorService threadPoolExecutorService; + + private List ignoreStatesRSOffline = Arrays.asList(new EventType[]{ + EventType.RS_ZK_REGION_FAILED_OPEN, EventType.RS_ZK_REGION_CLOSED }); + /** * Constructs a new assignment manager. @@ -614,7 +619,8 @@ String prettyPrintedRegionName = HRegionInfo.prettyPrint(encodedName); // Verify this is a known server if (!serverManager.isServerOnline(sn) && - !this.master.getServerName().equals(sn)) { + !this.master.getServerName().equals(sn) + && !ignoreStatesRSOffline.contains(data.getEventType())) { LOG.warn("Attempted to handle region transition for server but " + "server is not online: " + prettyPrintedRegionName); return;