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From "Jinsong Hu" <jinsong...@hotmail.com>
Subject YouAreDeadException with hbase
Date Fri, 16 Jul 2010 06:52:42 GMT
Hi, There:
  I got some YouAreDeadException  with hbase. what can cause it ? I do 
notice between 5:49 to 5:53 ,
for 4 minutes, there is no log. This doesn't look like GC issue as I checked 
the GC log, the longest GC
is only 9.6 seconds.

Jimmy.


2010-07-16 05:49:26,805 DEBUG 
org.apache.hadoop.hbase.io.hfile.LruBlockCache: Ca
che Stats: Sizes: Total=3.355194MB (3518176), Free=405.4198MB (425113472), 
Max=4
08.775MB (428631648), Counts: Blocks=1, Access=2178914, Hit=1034, 
Miss=2177880,
Evictions=0, Evicted=0, Ratios: Hit Ratio=0.04745483165606856%, Miss 
Ratio=99.95
254278182983%, Evicted/Run=NaN
2010-07-16 05:53:23,476 DEBUG 
org.apache.hadoop.hbase.io.hfile.LruBlockCache: Ca
che Stats: Sizes: Total=3.355194MB (3518176), Free=405.4198MB (425113472), 
Max=4
08.775MB (428631648), Counts: Blocks=1, Access=2178915, Hit=1035, 
Miss=2177880,
Evictions=0, Evicted=0, Ratios: Hit Ratio=0.04750070511363447%, Miss 
Ratio=99.95
250105857849%, Evicted/Run=NaN

....
2010-07-16 05:53:26,171 INFO org.apache.zookeeper.ClientCnxn: Client session 
tim
ed out, have not heard from server in 240540ms for sessionid 
0x329c88039b0006c,
closing socket connection and attempting reconnect
2010-07-16 05:53:27,333 INFO org.apache.zookeeper.ClientCnxn: Opening socket 
con
nection to server t-zookeeper2.cloud.ppops.net/10.110.24.57:2181
2010-07-16 05:53:27,334 INFO org.apache.zookeeper.ClientCnxn: Socket 
connection
established to t-zookeeper2.cloud.ppops.net/10.110.24.57:2181, initiating 
sessio
n
2010-07-16 05:53:27,335 INFO org.apache.zookeeper.ClientCnxn: Unable to 
reconnec
t to ZooKeeper service, session 0x329c88039b0006c has expired, closing 
socket co
nnection
2010-07-16 05:53:27,896 INFO org.apache.zookeeper.ClientCnxn: Client session 
tim
ed out, have not heard from server in 240520ms for sessionid 
0x129c87a7f98007a,
closing socket connection and attempting reconnect


2010-07-16 05:53:39,090 FATAL 
org.apache.hadoop.hbase.regionserver.HRegionServer
: Aborting region server serverName=m0002028.ppops.net,60020,1279237223465, 
load
=(requests=952, regions=21, usedHeap=575, maxHeap=2043): Unhandled exception
org.apache.hadoop.hbase.YouAreDeadException: 
org.apache.hadoop.hbase.YouAreDeadE
xception: Server REPORT rejected; currently processing 
m0002028.ppops.net,60020,
1279237223465 as dead server
        at 
org.apache.hadoop.hbase.master.ServerManager.checkIsDead(ServerManage
r.java:217)
        at 
org.apache.hadoop.hbase.master.ServerManager.regionServerReport(Serve
rManager.java:271)
        at 
org.apache.hadoop.hbase.master.HMaster.regionServerReport(HMaster.jav
a:684)
        at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at 
org.apache.hadoop.hbase.ipc.HBaseRPC$Server.call(HBaseRPC.java:576)
        at 
org.apache.hadoop.hbase.ipc.HBaseServer$Handler.run(HBaseServer.java:
919)

        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native 
Method) 


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