It must be waiting for the master. Have you launched the master? On Wed, Mar 28, 2012 at 7:40 PM, Nabib El-Rahman < nabib.elrah...@tubemogul.com> wrote:
> Hi Guys, > > I'm starting up an region server and it stalls on initialization. I took > a thread dump and found it hanging on this spot: > > "regionserver60020" prio=10 tid=0x00007fa90c5c4000 nid=0x4b50 in > Object.wait() [0x00007fa9101b4000] > java.lang.Thread.State: TIMED_WAITING (on object monitor) > at java.lang.Object.wait(Native Method) > - waiting on <0x00000000bc63b2b8> (a > org.apache.hadoop.hbase.MasterAddressTracker) > at > org.apache.hadoop.hbase.zookeeper.ZooKeeperNodeTracker.blockUntilAvailable(ZooKeeperNodeTracker.java:122) > - locked <0x00000000bc63b2b8> (a > org.apache.hadoop.hbase.MasterAddressTracker) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.blockAndCheckIfStopped(HRegionServer.java:516) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.initializeZooKeeper(HRegionServer.java:493) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.initialize(HRegionServer.java:461) > at > org.apache.hadoop.hbase.regionserver.HRegionServer.run(HRegionServer.java:560) > at java.lang.Thread.run(Thread.java:662) > > > > Any Idea on who or what its being blocked on? > > *Nabib El-Rahman *| Senior Sofware Engineer > > *M:* 734.846.2529 > www.tubemogul.com | *twitter: @nabiber* > > <http://www.tubemogul.com/> > <http://www.tubemogul.com/> > >
