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See thread dump attached to deadlock bug 182695. createDetails() needs to be called in the event thread. "Default RequestProcessor" daemon prio=1 tid=0x0000000102201800 nid=0x14678b000 waiting for monitor entry [0x000000014678a000] java.lang.Thread.State: BLOCKED (on object monitor) at java.awt.Component.setFont(Component.java:1778) - waiting to lock <0x0000000108896600> (a java.awt.Component$AWTTreeLock) at java.awt.Container.setFont(Container.java:1554) at javax.swing.JComponent.setFont(JComponent.java:2723) at javax.swing.LookAndFeel.installColorsAndFont(LookAndFeel.java:191) at com.apple.laf.AquaButtonUI.installDefaults(AquaButtonUI.java:49) at javax.swing.plaf.basic.BasicButtonUI.installUI(BasicButtonUI.java:63) at javax.swing.JComponent.setUI(JComponent.java:673) at javax.swing.AbstractButton.setUI(AbstractButton.java:1815) at javax.swing.JButton.updateUI(JButton.java:128) at javax.swing.AbstractButton.init(AbstractButton.java:2182) at javax.swing.JButton.<init>(JButton.java:118) at javax.swing.JButton.<init>(JButton.java:91) at org.netbeans.core.ui.notifications.NotificationDisplayerImpl.createDetails(NotificationDisplayerImpl.java:246) at org.netbeans.core.ui.notifications.NotificationDisplayerImpl.notify(NotificationDisplayerImpl.java:97) at org.netbeans.modules.autoupdate.ui.actions.AutoupdateCheckScheduler.notifyAvailable(AutoupdateCheckScheduler.java:517) - locked <0x0000000127af5f78> (a java.lang.Class for org.netbeans.modules.autoupdate.ui.actions.AutoupdateCheckScheduler) at org.netbeans.modules.autoupdate.ui.actions.AutoupdateCheckScheduler$7.run(AutoupdateCheckScheduler.java:442) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1356) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1894)
Isn`t it the responsibility core.ui?
core-main 65bccfee8b2c
Integrated into 'main-golden', will be available in build *201003260201* on http://bits.netbeans.org/dev/nightly/ (upload may still be in progress) Changeset: http://hg.netbeans.org/main/rev/65bccfee8b2c User: S. Aubrecht <saubrecht@netbeans.org> Log: #182696 - move component creation to EDT (probably a pointless excercise)