hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From N Keywal <nkey...@gmail.com>
Subject Re: Hbase RegionServer stalls on initialization
Date Wed, 28 Mar 2012 17:42:49 GMT
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.elrahman@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/>
>
>

Mime
  • Unnamed multipart/related (inline, None, 0 bytes)
View raw message