Index: src/docbkx/troubleshooting.xml =================================================================== --- src/docbkx/troubleshooting.xml (revision 1426412) +++ src/docbkx/troubleshooting.xml (working copy) @@ -801,8 +801,7 @@
RegionServer Hanging - Are you running an old JVM (< 1.6.0_u21?)? When you look at a thread dump, - does it look like threads are BLOCKED but no one holds the lock all are + When you look at a thread dump, does it look like threads are BLOCKED but no one holds the lock all are blocked on? See HBASE 3622 Deadlock in HBaseServer (JVM bug?). Adding -XX:+UseMembar to the HBase HBASE_OPTS in conf/hbase-env.sh may fix it.