>Maybe there is a problem on you machine, or maybe it is a bug in Derby.
>It would be helpful if you could do what Bryan suggested - obtain the
>stack trace from the Java process when it is hanging.
>Besides from what Bryan mentioned, you can also use jstack (or visualvm)
>to do this.
jstack message while blocking:
2010-05-31 11:42:35
Full thread dump Java HotSpot(TM) Client VM (16.2-b04 mixed mode, sharing):
"NetworkServerThread_4" daemon prio=6 tid=0x02ed6800 nid=0x33c8 runnable
[0x0481f000]
java.lang.Thread.State: RUNNABLE
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:390)
- locked <0x22ad2c08> (a java.net.SocksSocketImpl)
at java.net.ServerSocket.implAccept(ServerSocket.java:453)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at org.apache.derby.impl.drda.ClientThread$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.derby.impl.drda.ClientThread.run(Unknown Source)
"derby.NetworkServerStarter" daemon prio=6 tid=0x02ed0400 nid=0x25ac in
Object.wait() [0x045ef000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22ab0598> (a java.lang.Object)
at java.lang.Object.wait(Object.java:485)
at
org.apache.derby.impl.drda.NetworkServerControlImpl.blockingStart(Unknown
Source)
- locked <0x22ab0598> (a java.lang.Object)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.derby.iapi.jdbc.DRDAServerStarter.run(Unknown Source)
at java.lang.Thread.run(Thread.java:619)
"Timer-0" daemon prio=6 tid=0x02f93800 nid=0x2c80 in Object.wait()
[0x0459f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x22a01958> (a java.util.TaskQueue)
at java.lang.Object.wait(Object.java:485)
at java.util.TimerThread.mainLoop(Timer.java:483)
- locked <0x22a01958> (a java.util.TaskQueue)
at java.util.TimerThread.run(Timer.java:462)
"derby.antiGC" daemon prio=2 tid=0x02c15c00 nid=0x5388 in Object.wait()
[0x03f1f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x28095170> (a
org.apache.derby.impl.services.monitor.AntiGC)
at java.lang.Object.wait(Object.java:485)
at org.apache.derby.impl.services.monitor.AntiGC.run(Unknown Source)
- locked <0x28095170> (a org.apache.derby.impl.services.monitor.AntiGC)
at java.lang.Thread.run(Thread.java:619)
"TimerQueue" daemon prio=6 tid=0x02f0cc00 nid=0x165c in Object.wait()
[0x0380f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x280951e8> (a javax.swing.TimerQueue)
at javax.swing.TimerQueue.run(TimerQueue.java:232)
- locked <0x280951e8> (a javax.swing.TimerQueue)
at java.lang.Thread.run(Thread.java:619)
"D3D Screen Updater" daemon prio=8 tid=0x02f71800 nid=0x20b8 in
Object.wait() [0x03f7f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x28015448> (a java.lang.Object)
at
sun.java2d.d3d.D3DScreenUpdateManager.run(D3DScreenUpdateManager.java:421)
- locked <0x28015448> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:619)
"DestroyJavaVM" prio=6 tid=0x00316800 nid=0x2c84 waiting on condition
[0x00000000]
java.lang.Thread.State: RUNNABLE
"AWT-EventQueue-0" prio=6 tid=0x02c3ec00 nid=0x223c runnable [0x034ce000]
java.lang.Thread.State: RUNNABLE
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:129)
at java.net.SocksSocketImpl.readSocksReply(SocksSocketImpl.java:88)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:429)
at java.net.Socket.connect(Socket.java:529)
at java.net.Socket.connect(Socket.java:478)
at java.net.Socket.<init>(Socket.java:375)
at java.net.Socket.<init>(Socket.java:218)
at javax.net.DefaultSocketFactory.createSocket(SocketFactory.java:212)
at org.apache.derby.impl.drda.NetworkServerControlImpl$6.run(Unknown
Source)
at java.security.AccessController.doPrivileged(Native Method)
at
org.apache.derby.impl.drda.NetworkServerControlImpl.setUpSocket(Unknown
Source)
at org.apache.derby.impl.drda.NetworkServerControlImpl.sysinfo(Unknown
Source)
at org.apache.derby.drda.NetworkServerControl.getSysinfo(Unknown Source)
at
testderbyblocking.TestDerbyBlockingView.tetstDerbyBlocking(TestDerbyBlockingView.java:212)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.jdesktop.application.ApplicationAction.noProxyActionPerformed(ApplicationAction.java:662)
at
org.jdesktop.application.ApplicationAction.actionPerformed(ApplicationAction.java:698)
at
javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at
javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at
javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at
javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at
javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at
java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
at java.awt.Component.processMouseEvent(Component.java:6263)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6028)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at
java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4574)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
"AWT-Windows" daemon prio=6 tid=0x02c3d400 nid=0xd10 runnable [0x0323f000]
java.lang.Thread.State: RUNNABLE
at sun.awt.windows.WToolkit.eventLoop(Native Method)
at sun.awt.windows.WToolkit.run(WToolkit.java:295)
at java.lang.Thread.run(Thread.java:619)
"AWT-Shutdown" prio=6 tid=0x02c3bc00 nid=0x4820 in Object.wait()
[0x031ef000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x27f96ff0> (a java.lang.Object)
at java.lang.Object.wait(Object.java:485)
at sun.awt.AWTAutoShutdown.run(AWTAutoShutdown.java:265)
- locked <0x27f96ff0> (a java.lang.Object)
at java.lang.Thread.run(Thread.java:619)
"Java2D Disposer" daemon prio=10 tid=0x02c3b800 nid=0xac in Object.wait()
[0x0319f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x27f97080> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <0x27f97080> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at sun.java2d.Disposer.run(Disposer.java:125)
at java.lang.Thread.run(Thread.java:619)
"Low Memory Detector" daemon prio=6 tid=0x02ba9800 nid=0x4920 runnable
[0x00000000]
java.lang.Thread.State: RUNNABLE
"CompilerThread0" daemon prio=10 tid=0x02ba3800 nid=0x2984 waiting on
condition [0x00000000]
java.lang.Thread.State: RUNNABLE
"Attach Listener" daemon prio=10 tid=0x02ba2000 nid=0x2cf4 waiting on
condition [0x00000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" daemon prio=10 tid=0x02ba0c00 nid=0x525c runnable
[0x00000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" daemon prio=8 tid=0x02b60000 nid=0x336c in Object.wait()
[0x02d2f000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x27f972b0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
- locked <0x27f972b0> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
"Reference Handler" daemon prio=10 tid=0x02b5b400 nid=0x4804 in
Object.wait() [0x02cdf000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x27f96df0> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:485)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
- locked <0x27f96df0> (a java.lang.ref.Reference$Lock)
"VM Thread" prio=10 tid=0x02b5a000 nid=0x125c runnable
"VM Periodic Task Thread" prio=10 tid=0x02bb9000 nid=0x534 waiting on
condition
JNI global references: 1267
--
View this message in context:
http://old.nabble.com/Derby-confuse-with-SWing-Application-Framework-tp28629315p28726474.html
Sent from the Apache Derby Developers mailing list archive at Nabble.com.
