Re: [ecf-dev] zookeeper with standalone osgi

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Re: [ecf-dev] zookeeper with standalone osgi

From: Wim Jongman <wim.jongman@xxxxxxxxx>
Date: Wed, 26 May 2010 18:43:40 +0200
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Hi Abhisek,

Please skype me and we will have a look. Please note that we have just
checked in various minor enhancements to ZK.

Regards,

Wim

On Wed, May 26, 2010 at 6:33 PM, abhisek saikia <agscontact@xxxxxxxxx> wrote:
> Hi Scott/Wim
>     It seems there is some class loading problem,or my understanding on
> class loading of osgi is not clear.
>  I made changes to the menifests of zookeepr jars and change the execution
> environment to 1.6
>           "Bundle-RequiredExecutionEnvironment: JavaSE-1.6"
> Still i am getting the same error log
> Please correct me if i am wrong
> Thanks and Regards
> Abhisek
> On Wed, May 26, 2010 at 8:12 PM, Wim Jongman <wim.jongman@xxxxxxxxx> wrote:
>>
>> Correct. I will do as you suggested.
>>
>> On Wed, May 26, 2010 at 3:08 AM, Scott Lewis <slewis@xxxxxxxxxxxxx> wrote:
>> > Hi Wim,
>> >
>> > It seems the Execution Environment for the org.apache.zookeeper bundle
>> > is currently set to JSE1.5...i.e.
>> >
>> > in /org.apache.zookeeper/META-INF/MANIFEST.MF
>> >
>> > Bundle-RequiredExecutionEnvironment: J2SE-1.5
>> >
>> > Given what you say about apache zookeeper req for 1.6, should this EE be
>> > 1.6?  If so please open bug and repair (hopefully in time for RC3 the
>> > end of this week).
>> >
>> > Thanks,
>> >
>> > Scott
>> >
>> >
>> >  On Wed, May 26, 2010 at
>> > 03:15:42PM
>> > +0200, Wim Jongman wrote:
>> >> Hi Abishek,
>> >>
>> >> Apache zookeeper requires java 1.6 see [1] in [2]
>> >> See the JMX specs in [3]
>> >>
>> >> Best regards,
>> >>
>> >> Wim Jongman
>> >>
>> >> [1]
>> >> http://hadoop.apache.org/zookeeper/docs/current/zookeeperAdmin.html#sc_systemReq
>> >> [2] http://hadoop.apache.org/zookeeper/docs/current/zookeeperAdmin.html
>> >> [3] http://hadoop.apache.org/zookeeper/docs/current/zookeeperJMX.html
>> >>
>> >>
>> >> On Wed, May 26, 2010 at 9:20 AM, abhisek saikia <agscontact@xxxxxxxxx>
>> >> wrote:
>> >> > Hi All
>> >> >   I tried a sample using zookeeper.I am getting the below logs and my
>> >> > remote
>> >> > service registration is getting locked in host
>> >> > Following is the log in the host side
>> >> > java.lang.NoClassDefFoundError: javax/management/JMException
>> >> > at
>> >> >
>> >> > org.apache.zookeeper.server.ZooKeeperServer.registerJMX(ZooKeeperServer.java:345)
>> >> > at
>> >> >
>> >> > org.apache.zookeeper.server.ZooKeeperServer.startup(ZooKeeperServer.java:371)
>> >> > at
>> >> >
>> >> > org.apache.zookeeper.server.NIOServerCnxn$Factory.startup(NIOServerCnxn.java:161)
>> >> > at
>> >> >
>> >> > org.eclipse.ecf.provider.zookeeper.core.ZooDiscoveryContainer$4.run(ZooDiscoveryContainer.java:213)
>> >> > at java.lang.Thread.run(Unknown Source)
>> >> > Caused by: java.lang.ClassNotFoundException:
>> >> > javax.management.JMException
>> >> > at
>> >> >
>> >> > org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:489)
>> >> > at
>> >> >
>> >> > org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:405)
>> >> > at
>> >> >
>> >> > org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:393)
>> >> > at
>> >> >
>> >> > org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:105)
>> >> > at java.lang.ClassLoader.loadClass(Unknown Source)
>> >> > at java.lang.ClassLoader.loadClassInternal(Unknown Source)
>> >> > ... 5 more
>> >> > 86   [pool-1-thread-3] INFO  org.apache.zookeeper.ZooKeeper  - Client
>> >> > environment:zookeeper.version=3.3.0-925362, built on 03/19/2010 18:38
>> >> > GMT
>> >> > --------------------------
>> >> > java.net.ConnectException: Connection refused: no further information
>> >> > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>> >> > at sun.nio.ch.SocketChannelImpl.finishConnect(Unknown Source)
>> >> > at
>> >> > org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1078)
>> >> > 1633 [pool-1-thread-2-SendThread(192.168.1.2:2001)] INFO
>> >> >  org.apache.zookeeper.ClientCnxn  - Opening socket connection to
>> >> > server
>> >> > 192.168.1.2/192.168.1.2:2001
>> >> > 1634 [pool-1-thread-2-SendThread(192.168.1.2:2001)] INFO
>> >> >  org.apache.zookeeper.ClientCnxn  - Socket connection established to
>> >> > 192.168.1.2/192.168.1.2:2001, initiating session
>> >> > 1634 [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2001] INFO
>> >> >  org.apache.zookeeper.server.NIOServerCnxn  - Accepted socket
>> >> > connection
>> >> > from /192.168.1.2:51110
>> >> > 1635 [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2001] WARN
>> >> >  org.apache.zookeeper.server.NIOServerCnxn  - Exception causing close
>> >> > of
>> >> > session 0x0 due to java.io.IOException: ZooKeeperServer not running
>> >> > 1635 [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2001] INFO
>> >> >  org.apache.zookeeper.server.NIOServerCnxn  - Closed socket
>> >> > connection for
>> >> > client /192.168.1.2:51110 (no session established for client)
>> >> > 1635 [pool-1-thread-2-SendThread(192.168.1.2:2001)] INFO
>> >> >  org.apache.zookeeper.ClientCnxn  - Unable to read additional data
>> >> > from
>> >> > server sessionid 0x0, likely server has closed socket, closing socket
>> >> > connection and attempting reconnect
>> >> > 2790 [pool-1-thread-3-SendThread(192.168.1.2:2002)] INFO
>> >> >  org.apache.zookeeper.ClientCnxn  - Opening socket connection to
>> >> > server
>> >> > 192.168.1.2/192.168.1.2:2002
>> >> > 2931 [pool-1-thread-2-SendThread(192.168.1.2:2001)] INFO
>> >> >  org.apache.zookeeper.ClientCnxn  - Opening socket connection to
>> >> > server
>> >> > 192.168.1.2/192.168.1.2:2001
>> >> > 2932 [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2001] INFO
>> >> >  org.apache.zookeeper.server.NIOServerCnxn  - Accepted socket
>> >> > connection
>> >> > from /192.168.1.2:51112
>> >> > 2932 [pool-1-thread-2-SendThread(192.168.1.2:2001)] INFO
>> >> >  org.apache.zookeeper.ClientCnxn  - Socket connection established to
>> >> > 192.168.1.2/192.168.1.2:2001, initiating session
>> >> > 2933 [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2001] WARN
>> >> >  org.apache.zookeeper.server.NIOServerCnxn  - Exception causing close
>> >> > of
>> >> > session 0x0 due to java.io.IOException: ZooKeeperServer not running
>> >> > 2933 [NIOServerCxn.Factory:0.0.0.0/0.0.0.0:2001] INFO
>> >> >  org.apache.zookeeper.server.NIOServerCnxn  - Closed socket
>> >> > connection for
>> >> > client /192.168.1.2:51112 (no session established for client)
>> >> > 2935 [pool-1-thread-2-SendThread(192.168.1.2:2001)] INFO
>> >> >  org.apache.zookeeper.ClientCnxn  - Unable to read additional data
>> >> > from
>> >> > server sessionid 0x0, likely server has closed socket, closing socket
>> >> > connection and attempting reconnect
>> >> > 3811 [pool-1-thread-3-SendThread(192.168.1.2:2002)] WARN
>> >> >  org.apache.zookeeper.ClientCnxn  - Session 0x0 for server null,
>> >> > unexpected
>> >> > error, closing socket connection and attempting reconnect
>> >> > java.net.ConnectException: Connection refused: no further information
>> >> > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method)
>> >> > at sun.nio.ch.SocketChannelImpl.finishConnect(Unknown Source)
>> >> > at
>> >> > org.apache.zookeeper.ClientCnxn$SendThread.run(ClientCnxn.java:1078)
>> >> > 4428 [pool-1-thread-2-SendThread(192.168.1.2:2001)] INFO
>> >> >  org.apache.zookeeper.ClientCnxn  - Opening socket connection to
>> >> > server
>> >> > 192.168.1.2/192.168.1.2:2001
>> >> >  Before in my environment the same sample was working with jmdns.I
>> >> > just took
>> >> > zookeeper and zookeper provider jar and added in my bundle.info and
>> >> > commented jmdns.
>> >> > My vm arguments for host are
>> >> > -Dzoodiscovery.dataDir=zookeeperdata2 -Dzoodiscovery.clientPort=2001
>> >> > -Dzoodiscovery.flavor=zoodiscovery.flavor.standalone=192.168.1.2:2002
>> >> > -Xms40m -Xmx512m
>> >> >
>> >> > Thanks and Regards
>> >> > Abhisek
>> >> >
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > ecf-dev mailing list
>> >> > ecf-dev@xxxxxxxxxxx
>> >> > https://dev.eclipse.org/mailman/listinfo/ecf-dev
>> >> >
>> >> >
>> >> _______________________________________________
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Follow-Ups:
- Re: [ecf-dev] zookeeper with standalone osgi
  - From: abhisek saikia

References:
- [ecf-dev] zookeeper with standalone osgi
  - From: abhisek saikia
- Re: [ecf-dev] zookeeper with standalone osgi
  - From: Wim Jongman
- Re: [ecf-dev] zookeeper with standalone osgi
  - From: Scott Lewis
- Re: [ecf-dev] zookeeper with standalone osgi
  - From: Wim Jongman
- Re: [ecf-dev] zookeeper with standalone osgi
  - From: abhisek saikia

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