Index: src/java/org/apache/hadoop/hbase/HRegionServer.java =================================================================== --- src/java/org/apache/hadoop/hbase/HRegionServer.java (revision 647984) +++ src/java/org/apache/hadoop/hbase/HRegionServer.java (working copy) @@ -1039,11 +1039,12 @@ LOG.debug("Done telling master we are up"); } break; - } catch(IOException e) { - LOG.warn("error telling master we are up", e); - sleeper.sleep(lastMsg); - continue; + } catch (Throwable e) { + LOG.warn("Check your DNS configuration so that all region servers are" + + "reporting their true IPs and not 127.0.0.1. Otherwise, this" + + "problem will resolve itself in ${lease-timeout} seconds.", e); } + sleeper.sleep(lastMsg); } return result; }