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From Michael Wechner <michael.wech...@wyona.com>
Subject Re: Clustering and .lock file
Date Thu, 06 Dec 2007 08:43:41 GMT
Dominique Pfister wrote:

>Hi Michael,
>This sounds like having two repositories using the same home
>directory. The only thing that should be shared between two clustered
>instances are: the location of the persistent storage and the journal.
>Please make sure, that your web application's web.xml contains unique
>repository-home parameters.

thanks very much for the hint. Will give it a try.



>Kind regards
>On 05/12/2007, Michael Wechner <michael.wechner@wyona.com> wrote:
>>I am trying to run my webapp within a Tomcat (5.0.30) cluster with two
>>According to http://wiki.apache.org/jackrabbit/Clustering
>>each cluster node is loading its own repository.xml file resp.
>>repository-cnode1.xml for node1 and repository-cnode2.xml for node2,
>>whereas I have added the Cluster config to each repository config, e.g.
>> <Cluster id="cnode2">
>>    <Journal class="org.apache.jackrabbit.core.journal.DatabaseJournal">
>>      <param name="path" value="${rep.home}/revision.log"/>
>>      <param name="url" value="jdbc:derby:${wsp.home}/db;create=true"/>
>>    </Journal>
>>  </Cluster>
>>for repository-cnode2.xml.
>>When I startup the first node everything is fine, but when I startup the
>>second node, then the log file tells me that it has a .lock detected and
>>the repo already seems to be in use and hence cannot be used:
>>26237 2007-12-05 20:59:19,377 [http-9290-Processor25] WARN
>>org.apache.jackrabbit.core.util.RepositoryLock.acquire():111  - Existing
>>lock file /home/michi/src/wyona-svn/wyona/misc/foaf/jackrabbit/.lock
>>detected. Repository was not shut down properly.
>>26265 2007-12-05 20:59:19,405 [http-9290-Processor25] ERROR
>>org.wyona.yarep.impl.repo.jcr.JCRRepository.readConfiguration():326  -
>>The repository home /home/michi/src/wyona-svn/wyona/misc/foaf/jackrabbit
>>appears to be in use since the file named .lock is locked by another
>>I thought the Cluster config would take care of this, but maybe I added
>>it at the wrong position resp. within the wrong file. Is it possible
>>that this also needs to be added to the
>>jackrabbit/workspaces/default/workspace.xml file?
>>And if so, how can this be referenced resp. duplicated?
>>Resp. where exactly needs the Cluster config to be placed?
>>Michael Wechner
>>Wyona      -   Open Source Content Management   -    Apache Lenya
>>http://www.wyona.com                      http://lenya.apache.org
>>michael.wechner@wyona.com                        michi@apache.org
>>+41 44 272 91 61

Michael Wechner
Wyona      -   Open Source Content Management - Yanel, Yulup
michael.wechner@wyona.com, michi@apache.org
+41 44 272 91 61

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