We have 2 configurations of JBoss 3.2.3 using integrated tomcat 4.1 and jetty 4.2.14 
when we run our J2EE application in either environment we are able to use it 
successfully for a period of time. However after an indeterminable period we get the 
following error log entry being repeated continually.

ERROR [org.jboss.deployment.scanner.AbstractDeploymentScanner$ScannerThread] Scanning 
failed; continuing java.lang.NullPointerException

At this point the application becomes un-responsive and the only thing we can do is 
re-start JBoss and the application.

We have done a dump and there are no locked threads.

If anybody can throw any light on this it would be much appreciated.

Cheers


Neil Mitchell




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