开发过程提示如下错误：
!ENTRY org.eclipse.osgi 4 0 2011-10-11 00:18:07.354
!MESSAGE Application error
!STACK 1
java.lang.RuntimeException: Application "org.eclipse.ui.ide.workbench" could not be found in the registry. The applications available are: org.eclipse.ant.core.antRunner, org.eclipse.equinox.app.error.
?at org.eclipse.equinox.internal.app.EclipseAppContainer.startDefaultApp(EclipseAppContainer.java:248)
?at org.eclipse.equinox.internal.app.MainApplicationLauncher.run(MainApplicationLauncher.java:29)
?at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
?at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
?at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
?at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
?at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
?at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
?at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
?at java.lang.reflect.Method.invoke(Unknown Source)
?at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
?at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
?at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
?
Plugin registry里面没有注册信息，在3.2中 extension org.eclipse.ui.ide.workbench是申明在插件org.eclipse.ui.ide中的，通过Plugin Registry Search，发现在3.3中，这个extension declaration被挪到插件org.eclipse.ui.ide.application中了，于是在项目的product配置中加入org.eclipse.ui.ide.application这个插件依赖，然后选中这个插件，点击"Add Required Plug-ins"，再clear, 启动，运行正常。