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From Rogue <rogu...@gmail.com>
Subject Re: Help with "Failed to resolve name of ..." in cluster configuration
Date Thu, 12 Feb 2009 20:48:06 GMT

On 12-Feb-09, at 16:17 , Alexander Klimetschek wrote:

> What version of Jackrabbit are you using?
>

Hi Alex,

I am using Jackrabbit version 1.4.2.

Any clues on how I should go about debugging the situation?

Thanks,
Rogue

> Regards,
> Alex
>
> On Wed, Feb 11, 2009 at 8:48 AM, Rogue <roguexz@gmail.com> wrote:
>> Hi All,
>>
>> I have spent the last week going through the setup of our cluster
>> configuration, and I think I might have an issue with its  
>> configuration and
>> need your help in rectifying it.
>>
>> Ok here is a little bit of history... The system has been running  
>> absolutely
>> fine for quite some time and we have been seeing issues only  
>> lately. The
>> current configuration is:
>>
>> 1. Two servers - each running JBoss 4.2.2
>> 2. Jackrabbit JCA has been deployed on each node. The applications  
>> access
>> JCR via JNDI / RMI lookups
>> 3. Each instance has its own home directory, but the workspace  
>> content is on
>> a shared NAS.
>> 4. The repository uses a hybrid of FileStore and DBStore (information
>> available in the files)
>>
>> Now, for some time I keep having occasional issues of content being
>> available from one node and not being available from another node.  
>> I keep
>> seeing exceptions like:
>>
>> Caused by: javax.jcr.RepositoryException: failed to resolve name of
>> 47901c42-8187-497f-bbd2-10e61e65966a
>>       at
>> org 
>> .apache 
>> .jackrabbit 
>> .rmi.server.ServerObject.getRepositoryException(ServerObject.java: 
>> 136)
>>       at
>> org.apache.jackrabbit.rmi.server.ServerItem.getName(ServerItem.java: 
>> 71)
>>       at sun.reflect.GeneratedMethodAccessor466.invoke(Unknown  
>> Source)
>>       at
>> sun 
>> .reflect 
>> .DelegatingMethodAccessorImpl 
>> .invoke(DelegatingMethodAccessorImpl.java:25)
>>       at java.lang.reflect.Method.invoke(Method.java:585)
>>       at
>> sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:294)
>>       at sun.rmi.transport.Transport$1.run(Transport.java:153)
>>       at java.security.AccessController.doPrivileged(Native Method)
>>       at sun.rmi.transport.Transport.serviceCall(Transport.java:149)
>>       at
>> sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java: 
>> 466)
>>       at
>> sun.rmi.transport.tcp.TCPTransport 
>> $ConnectionHandler.run(TCPTransport.java:707)
>>       at java.lang.Thread.run(Thread.java:595)
>>       at
>> sun 
>> .rmi 
>> .transport 
>> .StreamRemoteCall.exceptionReceivedFromServer(StreamRemoteCall.java: 
>> 247)
>>       at
>> sun 
>> .rmi.transport.StreamRemoteCall.executeCall(StreamRemoteCall.java: 
>> 223)
>>       at sun.rmi.server.UnicastRef.invoke(UnicastRef.java:126)
>>       at  
>> org.apache.jackrabbit.rmi.server.ServerNode_Stub.getName(Unknown
>> Source)
>>       at
>> org.apache.jackrabbit.rmi.client.ClientItem.getName(ClientItem.java: 
>> 85)
>>
>>
>> From all the reading that I have been doing, I am guessing this is  
>> a case of
>> broken search indexes (please correct me if I am wrong). If that is  
>> the
>> case, then how do I go about cleaning up this mess? I guess I am  
>> extreme
>> novice and am not sure about the guy who set this up in the first  
>> place, but
>> any help on this front would be greatly appreciated.
>>
>> Thanks,
>> Rogue
>>
>> p.s.: Sorry for the HTML mail.
>> --------------------------
>>
>> My repository.xml file
>>
>> <?xml version="1.0"?>
>> <!DOCTYPE Repository PUBLIC "-//The Apache Software Foundation//DTD
>> Jackrabbit 1.2//EN"
>>
>> "http://jackrabbit.apache.org/dtd/repository-1.2.dtd">
>> <Repository>
>>   <FileSystem  
>> class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
>>       <param name="path"
>> value="/apps/jboss/jcr_repositories/ugc_repository/shared/content"/>
>>   </FileSystem>
>>
>>   <Security appName="Jackrabbit">
>>       <AccessManager
>> class="org.apache.jackrabbit.core.security.SimpleAccessManager" />
>>       <LoginModule
>> class="org.apache.jackrabbit.core.security.SimpleLoginModule">
>>           <param name="anonymousId" value="anonymous"/>
>>       </LoginModule>
>>   </Security>
>>
>>   <Workspaces
>> rootPath="/apps/jboss/jcr_repositories/ugc_repository/shared/ 
>> content/"
>> defaultWorkspace="default"/>
>>   <Workspace name="default">
>>       <FileSystem
>> class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
>>           <param name="path" value="${wsp.home}"/>
>>       </FileSystem>
>>       <PersistenceManager
>> class 
>> = 
>> "org 
>> .apache.jackrabbit.core.persistence.bundle.OraclePersistenceManager">
>>           <param name="driver" value="oracle.jdbc.OracleDriver"/>
>>           <param name="url" value="db-connect-details"/>
>>           <param name="user" value="db-username"/>
>>           <param name="password" value="db-password"/>
>>           <param name="schema" value="oracle"/>
>>           <param name="schemaObjectPrefix" value="J_PM_DEFAULT_"/>
>>           <param name="externalBLOBs" value="true"/>
>>           <param name="blobFSBlockSize" value="0"/>
>>           <param name="minBlobSize" value="0"/>
>>       </PersistenceManager>
>>   </Workspace>
>>
>>   <Versioning rootPath="${rep.home}/version">
>>       <FileSystem
>> class="org.apache.jackrabbit.core.fs.local.LocalFileSystem">
>>           <param name="path" value="${rep.home}/version" />
>>       </FileSystem>
>>       <PersistenceManager
>> class 
>> = 
>> "org 
>> .apache.jackrabbit.core.persistence.bundle.OraclePersistenceManager">
>>           <param name="driver" value="oracle.jdbc.OracleDriver"/>
>>           <param name="url" value="db-connect-details"/>
>>           <param name="user" value="db-username"/>
>>           <param name="password" value="db-password"/>
>>           <param name="schema" value="oracle"/>
>>           <param name="schemaObjectPrefix" value="J_V_PM_"/>
>>           <param name="externalBLOBs" value="true"/>
>>           <param name="blobFSBlockSize" value="0"/>
>>           <param name="minBlobSize" value="0"/>
>>       </PersistenceManager>
>>   </Versioning>
>>
>>   <Cluster id="node1">
>>       <Journal
>> class="org.apache.jackrabbit.core.journal.OracleDatabaseJournal">
>>           <param name="revision" value="${rep.home}/revision.log" />
>>           <param name="driver" value="oracle.jdbc.OracleDriver" />
>>           <param name="url" value="db-connect-details" />
>>           <param name="user" value="db-username" />
>>           <param name="password" value="db-password" />
>>       </Journal>
>>   </Cluster>
>> </Repository>
>>
>>
>>
>
>
> -- 
> Alexander Klimetschek
> alexander.klimetschek@day.com


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