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From Ted Yu <yuzhih...@gmail.com>
Subject Re: Zookeeper issue, please help
Date Tue, 09 Mar 2010 17:15:07 GMT
Hi,
We use zookeeper-3.2.1

When I tested ruok :
2010-03-09 08:56:36,711 INFO  [NIOServerCxn.Factory:2181]
server.NIOServerCnxn Processing ruok command from /10.10.31.135:57084
2010-03-09 08:56:36,711 WARN  [NIOServerCxn.Factory:2181]
server.NIOServerCnxn Exception causing close of session 0x0 due to
java.io.IOException: Responded to info probe
2010-03-09 08:56:36,711 INFO  [NIOServerCxn.Factory:2181]
server.NIOServerCnxn closing session:0x0 NIOServerCnxn:
java.nio.channels.SocketChannel[connected local=/10.10.31.135:2181 remote=/
10.10.31.135:57084]

[root@snv-it-lin-010 software]# bin/zkServer.sh stop
JMX enabled by default
Using config: /opt/kindsight/zookeeper/software/bin/../conf/zoo.cfg
Stopping zookeeper ...
bin/zkServer.sh: line 80: kill: (6826) - No such process
STOPPED

I wonder why pidfile held an invalid pid:
501       4190  0.5  4.9 1523960 814644 ?      Sl   Mar08   3:48
/usr/local/jdk1.6.0_14/bin/java -Dcom.sun.management.jmxremote -Xms100m
-Xmx1000m -Djava.library.path=lib -classpath
lib/wrapper.jar:lib/zabbix_common.jar:zookeeper-3.2.1.jar:lib/log4j-1.2.15.jar:lib/3rdparty/slf4j/jcl104-over-slf4j-1.5.0.jar:lib/3rdparty/slf4j/slf4j-api-1.5.0.jar:lib/3rdparty/slf4j/slf4j-log4j12-1.5.0.jar:lib/3rdparty/ognl/ognl-2.6.9.jar:conf
-Dwrapper.key=fcnqS87eXW_Tp5xC -Dwrapper.port=32005
-Dwrapper.jvm.port.min=31000 -Dwrapper.jvm.port.max=31999 -Dwrapper.pid=4160
-Dwrapper.version=3.2.3 -Dwrapper.native_library=wrapper
-Dwrapper.service=TRUE -Dwrapper.cpu.timeout=10 -Dwrapper.jvmid=1
org.tanukisoftware.wrapper.WrapperSimpleApp
com.rialto.common.zabbix.ZabbixWrapper
org.apache.zookeeper.server.quorum.QuorumPeerMain conf/zoo.cfg

Can someone comment ?

On Mon, Mar 8, 2010 at 10:25 AM, Patrick Hunt <phunt@apache.org> wrote:

> Donno if you noticed but ZK 3.3.0 (releasing this month) changes that
> message to an info. I'm hoping it reduces these types of false positives.
> :-) Not sure why we had it as warn, but that was wrong.
>
> Patrick
>
>
> Jean-Daniel Cryans wrote:
>
>> HBase relies on exception like those when creating a znode eg "create
>> znode x, if NodeExists then update its value".
>>
>> J-D
>>
>> On Sun, Mar 7, 2010 at 3:49 AM, Ahmed Suhail Manzoor
>> <suhailski@gmail.com> wrote:
>>
>>> Hi,
>>>
>>> I am hoping someone can help me with a zookeeper setup. I am running
>>> Zookeeper wih export HBASE_MANAGES_ZK=false and start it using bin/hbase
>>> zookeeper. It starts up fine. However when I start up Hbase I get the
>>> following in my log file:
>>>
>>> 10/03/07 11:41:35 WARN server.PrepRequestProcessor: Got exception when
>>> processing sessionid:0x127386d00840000 type:create cxid:0x12
>>> zxid:0xfffffffffffffffe txntype:unknown n/a
>>> org.apache.zookeeper.KeeperException$NodeExistsException: KeeperErrorCode
>>> =
>>> NodeExists
>>>       at
>>>
>>> org.apache.zookeeper.server.PrepRequestProcessor.pRequest(PrepRequestProcessor.java:245)
>>>       at
>>>
>>> org.apache.zookeeper.server.PrepRequestProcessor.run(PrepRequestProcessor.java:114)
>>>
>>> I know its only a warning but I would like someone to shed some light on
>>> it
>>> so I can be confident that my installation is correct. Thank you kindly
>>> for
>>> your help.
>>>
>>> Cheers
>>> su./hail
>>>
>>>
>>>

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