Strange virtual server log messages

[marcus]

I have a web project set up as a template website for at least 2 other web projects. In the virtual server log, I'm seeing the following message every 8 seconds

Jul 29, 2008 12:19:04 AM org.alfresco.catalina.host.AVMHostConfig removeVirtualWebapp
INFO: remove webapp version: 10 pathToWebapp: vehicletemplate:/www/avm_webapps/ROOT
Jul 29, 2008 12:19:04 AM org.alfresco.catalina.host.AVMHostConfig updateVirtualWebapp
INFO: AVMHostConfig update version: 30 pathToWebapp: vehicletemplate:/www/avm_webapps/ROOT
Jul 29, 2008 12:19:04 AM org.alfresco.catalina.host.AVMHostConfig updateVirtualWebapp
INFO: temporarily removed webapp: /$30$vehicletemplate$ROOT
Jul 29, 2008 12:19:07 AM org.apache.catalina.core.ApplicationContext log
INFO: SSIFilter.init() SSI invoker started with 'debug'=1

Version 10 of the web project is the last version before the first templated web project was created. The version history for the project looks as follows (irrelevant columns removed)

Is there some way to mark a web project to be NOT virtualised at all? There's no reason for it to be active.

Fix nav references      30    
Branch Snapshot         21       
Added default nav       20       
Branch Snapshot         12       
Branch Snapshot         11       
Base content         10       
Import content         4       
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[marcus]

Another thing I've noticed… in the Alfresco log, I'm getting the following output every 16 seconds.

10:40:59,734 ERROR [alfresco.linkvalidation.LinkValidationServiceImpl] Could not list version: 10 of directory: vehicletemplate:/www/avm_webapps/ROOT/nav  Path /www/avm_webapps/ROOT/nav not found.
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That path doesn't exist because I've deleted it in version 30 of the webapp. Also, I've never actually run the "link validation" over this website, so I have no idea why the linkvalidation service is trying to run?

Edit:

After stopping the app server, the following log message appears

10:44:33,540 ERROR [util.transaction.SpringAwareUserTransaction] Application exception overridden by rollback exception
java.lang.Exception
        at org.alfresco.util.transaction.SpringAwareUserTransaction.rollback(SpringAwareUserTransaction.java:498)
        at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:309)
        at org.alfresco.repo.transaction.RetryingTransactionHelper.doInTransaction(RetryingTransactionHelper.java:171)
        at org.alfresco.linkvalidation.LinkValidationServiceImpl.run(LinkValidationServiceImpl.java:572)
        at java.lang.Thread.run(Thread.java:595)
10:44:33,541 ERROR [repo.transaction.RetryingTransactionHelper] java.lang.IllegalStateException: The org.alfresco.repo.avm.storeLookupTransactionalCache_82db3156-5d07-11dd-a34f-03725ead60cb_removes Cache is not alive.
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