Hello, I agree the SCL is not in play here.
Why does the HeirarchicalLoaderRepository2 synchronize on itself in loadClass()? A plain UnifiedLoaderRepository2 does not. Regards, Adrian >From: "Bordet, Simone" <[EMAIL PROTECTED]> >Reply-To: [EMAIL PROTECTED] >To: <[EMAIL PROTECTED]> >Subject: RE: [JBoss-dev] [ jboss-Bugs-617574 ] Classloader deadlock >Date: Wed, 2 Oct 2002 19:11:59 +0200 > >Hi, > > > I come back again with my old trick that hadn't much success > > in the past. > > > > To solve the system class loader problem definitivly, at > > least with JDK 1.4 > > and upper, why not use the "java.system.class.loader" system > > property (see > > javadoc of java.lang.Classloader.getSystemClassLoader). > > > > This way, we could have a "Fake Classloader", let's call it a > > "RedirectorClassLoader" (RCL), registered as the system > > classloader. When a > > call originates from a UCL, the RCL would do its normal work. > > But when a > > call doesn't come from a UCL, the RCL would check what is the current > > "contextual" UCL (as we could/can have multiple UCLs) and delegate the > > loading to this UCL. > >Not sure if your trick works with Class.forName() in all cases, especially >when to go native is some JDK class such as VersionHelper12. >Class.forName goes native before calling the classloader, and there it >acquires the lock on the classloader; then it delegates to the classloader, >which either is a UCL(2) or a child; from the UCL you walk the hierarchy >up, arriving to the system classloader (or your RCL), but we already had >the chance to intercept the call at UCL level. > >Maybe I am missing something or I misunderstood your proposal ? > >A feeling I have is that it is a plain old bug in HierarchyCL, but it's >just a feeling (since it does not seem related to the ClassCircularityError >we had in the past). > >Regards, > >Simon > > >------------------------------------------------------- >This sf.net email is sponsored by:ThinkGeek >Welcome to geek heaven. >http://thinkgeek.com/sf >_______________________________________________ >Jboss-development mailing list >[EMAIL PROTECTED] >https://lists.sourceforge.net/lists/listinfo/jboss-development _________________________________________________________________ Send and receive Hotmail on your mobile device: http://mobile.msn.com ------------------------------------------------------- This sf.net email is sponsored by:ThinkGeek Welcome to geek heaven. http://thinkgeek.com/sf _______________________________________________ Jboss-development mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-development
