謝謝，傳一份給我啊，我的郵箱：zenghouhuang21@163.com
陳老師:
為何我在調用
MessageDialog.openInformation(null,"","hello world");
的時候總是出錯:
java.lang.NoClassDefFoundError: org/osgi/framework/InvalidSyntaxException
at org.eclipse.core.runtime.Platform.isRunning(Platform.java:1228)
at org.eclipse.jface.util.Policy.getDebugOption(Policy.java:100)
at org.eclipse.jface.util.Policy.<clinit>(Policy.java:51)
at org.eclipse.jface.dialogs.Dialog.<init>(Dialog.java:342)
at org.eclipse.jface.dialogs.IconAndMessageDialog.<init>(IconAndMessageDialog.java:44)
at org.eclipse.jface.dialogs.MessageDialog.<init>(MessageDialog.java:120)
at org.eclipse.jface.dialogs.MessageDialog.openInformation(MessageDialog.java:310)
at com.swtdesigner.Puck$1.mouseDoubleClick(Puck.java:41)
at org.eclipse.swt.widgets.TypedListener.handleEvent(TypedListener.java:140)
at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:82)
at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:796)
at org.eclipse.swt.widgets.Display.runDeferredEvents(Display.java:2772)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:2431)
at com.swtdesigner.Puck.main(Puck.java:59)
Exception in thread "main"