Public bug reported:
Ubuntu 26.04 LTS
openjdk-8-jre:
Installed: 8u492-ga~us2-0ubuntu1~26.04.1
Candidate: 8u492-ga~us2-0ubuntu1~26.04.1
Implementation on
org.classpath.icedtea.pulseaudio.PulseAudioDataLine.close() calls
java.util.concurrent.Semaphore.acquire() that never returns causing
application GUI to freeze indefinitely caused originally by GUI button
mouse click.
"AWT-EventQueue-1" #14 prio=6 os_prio=0 tid=0x000078e0604b9800 nid=0x20c1
waiting on condition [0x000078e04c822000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000f1e02ce8> (a
java.util.concurrent.Semaphore$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
at java.util.concurrent.Semaphore.acquire(Semaphore.java:312)
at
org.classpath.icedtea.pulseaudio.PulseAudioDataLine.close(PulseAudioDataLine.java:307)
at
org.classpath.icedtea.pulseaudio.PulseAudioClip.close(PulseAudioClip.java:258)
at ***.shared.models.Sound.Close(Sound.java:60)
at
***.application.MainWindow.CloseButtonMouseClicked(MainWindow.java:1389)
at ***.application.MainWindow.access$1700(MainWindow.java:90)
at ***.application.MainWindow$18.mouseClicked(MainWindow.java:491)
at
java.awt.AWTEventMulticaster.mouseClicked(AWTEventMulticaster.java:270)
at java.awt.Component.processMouseEvent(Component.java:6542)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6304)
at java.awt.Container.processEvent(Container.java:2239)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2297)
at java.awt.Component.dispatchEvent(Component.java:4711)
at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4544)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
at java.awt.Container.dispatchEventImpl(Container.java:2283)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:733)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
at
org.GNOME.Accessibility.AtkWrapper$6.dispatchEvent(AtkWrapper.java:744)
at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
$ cat /usr/lib/jvm/java-8-openjdk-amd64/jre/lib/sound.properties
javax.sound.sampled.Clip=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
javax.sound.sampled.Port=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
javax.sound.sampled.SourceDataLine=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
javax.sound.sampled.TargetDataLine=org.classpath.icedtea.pulseaudio.PulseAudioMixerProvider
** Affects: openjdk-8 (Ubuntu)
Importance: Undecided
Status: New
** Tags: awt pulseaudio
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https://bugs.launchpad.net/bugs/2154648
Title:
Swing UI application freezes on blocked AWT EventQueue by PulseAudio
Eventloop Thread
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