I was also getting the same problem as described by Charles and Ganesh -
the same web-app was being deployed twice. 

I did the following steps to stop this from happening - 

1. I removed the default host from server.xml by removing the following
lines


    <Host name="localhost" appBase="webapps"
        unpackWARs="true" autoDeploy="true"
        xmlValidation="false" xmlNamespaceAware="false">
    </Host>

2. I moved the WAR file from the default location in tomcat ("webapps"
folder) to a different location; and added the WAR file explicitly in
server.xml.

      <Host name="www.xyz.com"
        appBase="/opt/servers/tomcat5.5/webappsPublic"
        unpackWARs="true"
        autoDeploy="false"
        xmlValidation="false"
        xmlNamespaceAware="false"
        debug="0"
        reloable="false">
        <Alias>
            www.xyz.com
        </Alias>
        <Context path=""
            docBase="magnoliaPublic"
            reloadable="false"
            swallowOutput="false"
            debug="0"
        />
    </Host>

      <Host name="author.xyz.com"
        appBase="/opt/servers/tomcat5.5/webappsAuthor"
        unpackWARs="true"
        autoDeploy="false"
        xmlValidation="false"
        xmlNamespaceAware="false"
        debug="0"
        reloable="false">
        <Alias>
            author.xyz.com
        </Alias>
        <Context path=""
            docBase="magnoliaAuthor"
            reloadable="false"
            swallowOutput="false"
            debug="0"
        />
    </Host>


By doing the above-mentioned steps, I was able to get rid of the problem
caused by twice deployment and I was also able to have author and public
on the same machine.

Let me know if you need any further details.

Cheers!

-Deepak Mittal
http://www.IntelliGrape.com




On Wed, 2008-03-12 at 09:36 +0530, Ganesh Gembali wrote:
> Hi Charles,
> Are you using Tomcat as application server. If so , what David said is 
> the cause of lock error. This is because , If you have a look at your 
> server.xml and catlina.out log you can
> see your application getting deployed twice. I have faced the same 
> problem. Then I have removed some default stuff in server.xml and it 
> started working fine for me.
> 
> Please let me know if you need any other information.
> 
> Regards,
> Ganesh.
> 
> Charles Johnson wrote:
> > Well thanks David, but I can assure you that I only installed one 
> > Magnolia ;-) There *was* Jackrabbit (which worked fine) but I got rid 
> > of it to prevent confusion.
> >
> > Oh and once I accessed the repository from a Java app, but then that 
> > was some time back
> >
> >
> > Charles
> >
> > David Smith wrote:
> >> Ok ... deeper look at the log suggests you have two Magnolia 
> >> instances attempting to access the same repository.  Maybe you've 
> >> inadvertently attempted to map the same webapp to two separate  
> >> contexts which would create this sort of double launch.
> >>
> >>
> >> --David
> >>
> >>
> >> Charles Johnson wrote:
> >>> Thanks David.
> >>>
> >>> I suspect that Magnolia is trying to create the lock file more than 
> >>> once, since I delete the lock file and then restart Tomcat. No 
> >>> change. Plain Jackrabbit doesn't seem to have any problems.
> >>>
> >>> Charles
> >>>
> >>> David Smith wrote:
> >>>> .lock file errors typically show up when tomcat is shutdown badly 
> >>>> because of a JVM crash, server crash, or tomcat was forcefully 
> >>>> closed w/ a kill command.  If the last successful run of tomcat 
> >>>> died badly, just delete the .lock files and start tomcat.  Things 
> >>>> will come back to life normally.
> >>>>
> >>>> --David
> >>>>
> >>>> Charles Johnson wrote:
> >>>>> I'm using Debian Etch, Tomcat 6 and magnolia-bundled-webapp-3.5.4
> >>>>>
> >>>>> I can't start the app since there seems to be an issue with a lock 
> >>>>> file in the repository directory. I googled on the error string, 
> >>>>> and although it seems to be a known issue, I couldn't see a clear 
> >>>>> solution. How can I correct this?
> >>>>>
> >>>>> Please see the server log file at 
> >>>>> http://www.cehjohnson.btinternet.co.uk/misc/catalina.out
> >>>>>
> >>>>> Charles
> >>>>>
> >>>>> ----------------------------------------------------------------
> >>>>> for list details see
> >>>>> http://documentation.magnolia.info/docs/en/editor/stayupdated.html
> >>>>> ----------------------------------------------------------------
> >>>>
> >>>>
> >>>> ----------------------------------------------------------------
> >>>> for list details see
> >>>> http://documentation.magnolia.info/docs/en/editor/stayupdated.html
> >>>> ----------------------------------------------------------------
> >>>>
> >>>
> >>>
> >>> ----------------------------------------------------------------
> >>> for list details see
> >>> http://documentation.magnolia.info/docs/en/editor/stayupdated.html
> >>> ----------------------------------------------------------------
> >>
> >>
> >> ----------------------------------------------------------------
> >> for list details see
> >> http://documentation.magnolia.info/docs/en/editor/stayupdated.html
> >> ----------------------------------------------------------------
> >>
> >
> >
> > ----------------------------------------------------------------
> > for list details see
> > http://documentation.magnolia.info/docs/en/editor/stayupdated.html
> > ----------------------------------------------------------------
> 
> 
> ----------------------------------------------------------------
> for list details see
> http://documentation.magnolia.info/docs/en/editor/stayupdated.html
> ----------------------------------------------------------------


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