[jboss-jira] [JBoss JIRA] Created: (EJBTHREE-969) EJB3Deployer locking jars in deploy dir

[Brian Stansberry (JIRA)]

EJB3Deployer locking jars in deploy dir
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                 Key: EJBTHREE-969
                 URL: http://jira.jboss.com/jira/browse/EJBTHREE-969
             Project: EJB 3.0
          Issue Type: Bug
    Affects Versions: AS 4.2.0 GA
            Reporter: Brian Stansberry


In chasing down JBPAPP-171 I found that JBoss' deployment process tends to lock files in the deploy dir on Windows. (The farm dir as well, which is just a specialized form of deploy dir.)

Traced it down to the EJB3Deployer.accepts() functionality, particularly the hasEjbAnnotation() method. The first line in that method

Iterator it = ArchiveBrowser.getBrowser(di.url, new ClassFileFilter());

is causing the original jar in deploy to be scanned for annotations, rather than the copy in the server/.../tmp dir.  That scan results in Windows filesystem locks on the deploy dir jar. Not always but seems like roughly 1/2 the time.

Changing that line to the following made the problem go away:

Iterator it = ArchiveBrowser.getBrowser(di.localUrl, new ClassFileFilter());

di.localUrl points to the tmp dir copy of the deployment.


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