Hello, On Fri, Jun 09, 2006 at 01:52:32PM -0700, [EMAIL PROTECTED] wrote: > First, is there a good description available on how the sun.java2d.Disposer > class works in Java 1.5.0?
There isn't such a description. Disoser is an internal mechanism for disposing of graphics-related resources and is not public. > Second, I think I've found a possible reference leak. > > 1) A console-only application is started. > 2) After 10 minutes of running, a thread dump does NOT show any Java2D > Disposer thread. > 3) After 20 minutes of running, a background image is created using Java2D, > and sent over the network. (The image is never shown on screen, the app is > still running in console mode) > 4) After (3) above, a new thread can be seen in the thread dump (the > sun.java2d.Disposer thread). All this seem to work as expected. > Now, the original thread that started the offline rendering had a couple of > InheritableThreadLocals set. I don't know how/where the disposer thread is > created, but it appears that it (as you would guess) inherits the > InteritableThreadLocals of the thread that caused Java2D to be (lazily?) > initialized. > > Of course, one of the InheritableThreadLocals (indirectly) references a > ClassLoader that has 2GB of memory attached. Later in the application > lifecycle, this prevents garbage collection, and triggers a memory overflow > (OOM). > [Message sent by forum member 'plethora' (plethora)] Could you please try your test on Mustang? http://mustang.dev.java.net . We've made some changes in mustang to the way the disposer thread is started which could have affected your problem. Thank you, Dmitri Java2D Team > > http://forums.java.net/jive/thread.jspa?messageID=121561 > > =========================================================================== > To unsubscribe, send email to [EMAIL PROTECTED] and include in the body > of the message "signoff JAVA2D-INTEREST". For general help, send email to > [EMAIL PROTECTED] and include in the body of the message "help". =========================================================================== To unsubscribe, send email to [EMAIL PROTECTED] and include in the body of the message "signoff JAVA2D-INTEREST". For general help, send email to [EMAIL PROTECTED] and include in the body of the message "help".
