java / swing：JSlider.setValue处于阻塞状态
||
我对JSlider.setValue的调用有时会阻塞线程，从而导致整个应用程序死锁。
这是阻塞线程的堆栈跟踪。
Thread [RenderThread] (Suspended)
JSlider(Component).getMousePosition() line: not available [local variables unavailable]
SynthSliderUI.calculateThumbLocation() line: not available [local variables unavailable]
BasicSliderUI$Handler.stateChanged(ChangeEvent) line: not available
DefaultBoundedRangeModel.fireStateChanged() line: not available [local variables unavailable]
DefaultBoundedRangeModel.setRangeProperties(int, int, int, int, boolean) line: not available
DefaultBoundedRangeModel.setValue(int) line: not available
JSlider.setValue(int) line: not available
TimeLine.setTime(double) line: 422
GLFrame.display() line: 302
GLFrame$2.renderCallback() line: 188
LWJGLBinding$1.paintGL() line: 49
LWJGLBinding$1(AWTGLCanvas).paint(Graphics) line: 314
LWJGLBinding$1(AWTGLCanvas).update(Graphics) line: 343
GLFrame$2(LWJGLBinding).startRendering() line: 78
GLFrame$3.run() line: 267
try
{
UIManager.setLookAndFeel(\"com.sun.java.swing.plaf.nimbus.NimbusLookAndFeel\");
}
catch (Exception e)
{
e.printStackTrace();
}
at javax.swing.plaf.synth.SynthTreeUI.paint(Unknown Source)
at javax.swing.plaf.synth.SynthTreeUI.update(Unknown Source)
at javax.swing.JComponent.paintComponent(Unknown Source)
at javax.swing.JComponent.paint(Unknown Source)
at javax.swing.JComponent.paintToOffscreen(Unknown Source)
at javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
at javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
at javax.swing.RepaintManager.paint(Unknown Source)
at javax.swing.JComponent._paintImmediately(Unknown Source)
at javax.swing.JComponent.paintImmediately(Unknown Source)
at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at javax.swing.RepaintManager.seqPaintDirtyRegions(Unknown Source)
at javax.swing.SystemEventQueueUtilities$ComponentWorkRequest.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$000(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.awt.EventQueue$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
没有找到相关结果
已邀请:
1 个回复
郡晒景沧
他们的目的来自他们的名字。第三是如果返回“ 5”，则说明您已经在EDT中并且可以直接执行代码。 请注意，如果直接从EDT调用，则会引发异常（ѭ7but不会，但仍然不建议这样做），因此应编写可能同时从EDT和侧线程调用的代码。如下：if (SwingUtilities.isEventDispatchThread()) { // code } else { SwingUtilities.invokeLater(new Runnable () { public void run () { // code } }); }