Hi Yann,
This appears to be a real issue, but I have been unable to reproduce the problem. Can you create a Bugzilla entry, and I will attach a possible patch so you can try it out?
This will also ensure that the issue doesn't get lost.
If you could include some information on the system where you see the problem (or even better a test case) that would be helpful.
y g wrote:
Hi
I have some problems with RunnableQueue. I've read that UpdateTracker is _not_ intended to be thread safe, but UpdateTracker.changeStarted() is called outside the UpdateManager thread when resizing the SVGCanvas. sometimes this could finnish with a ConcurrentModificationException in UpdateManager.
Here are stack traces for AWTEventDispatchThread and
the ConcurrentModificationException in UpdateManager
java.lang.Exception: Stack trace at java.lang.Thread.dumpStack(Thread.java:1103) at org.apache.batik.gvt.UpdateTracker.changeStarted(Unknown Source) at org.apache.batik.gvt.AbstractGraphicsNode.fireGraphicsNodeChangeStarted(Unknown Source) at org.apache.batik.gvt.AbstractGraphicsNode.fireGraphicsNodeChangeStarted(Unknown Source) at org.apache.batik.gvt.CanvasGraphicsNode.setViewingTransform(Unknown Source) at org.apache.batik.swing.svg.JSVGComponent.updateRenderingTransform(Unknown Source) at org.apache.batik.swing.gvt.JGVTComponent$1.componentResized(Unknown Source) at java.awt.AWTEventMulticaster.componentResized(AWTEventMulticaster.java:125) at java.awt.Component.processComponentEvent(Component.java:5120) at java.awt.Component.processEvent(Component.java:5074) at java.awt.Container.processEvent(Container.java:1607) at java.awt.Component.dispatchEventImpl(Component.java:3754) at java.awt.Container.dispatchEventImpl(Container.java:1664) at java.awt.Component.dispatchEvent(Component.java:3582) at java.awt.EventQueue.dispatchEvent(EventQueue.java:531) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(EventDispatchThread.java:238) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:182) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:176) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168) at java.awt.EventDispatchThread.run(EventDispatchThread.java:131)
java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java(Compiled Code)) at java.util.HashMap$KeyIterator.next(HashMap.java(Compiled Code)) at org.apache.batik.gvt.UpdateTracker.getDirtyAreas(Unknown Source) at org.apache.batik.bridge.UpdateManager.repaint(Unknown Source) at org.apache.batik.bridge.UpdateManager$UpdateManagerRunHander.runnableInvoked(Unknown Source) at org.apache.batik.util.RunnableQueue.runnableInvoked(Unknown Source) at org.apache.batik.util.RunnableQueue.run(Unknown Source) at java.lang.Thread.run(Thread.java:568)
I hope this can help. yann.
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