Eclipse WindowsBuilder - 无法打开编辑器：在Ubuntu中引发意外的异常

Question

我想通过在Ubuntu中使用Windows builder创建Eclipse中的窗体。在创建项目后，eclipse说eclipse无法打开文件编辑器。期待被抛出。为了解决这个问题，我改变了工作台，但结果仍然相同，出现错误。

它在Windows中完美运行。

Eclipse版本：3.8.1

Ubuntu 14.04。

这里是代码：

java.lang.NullPointerException 
at org.eclipse.wb.internal.core.editor.multi.SourcePage.updateSourceActions(SourcePage.java:140) 
at org.eclipse.wb.internal.core.editor.multi.SourcePage.handleActiveState(SourcePage.java:74) 
at org.eclipse.wb.internal.core.editor.multi.DefaultMultiMode.showPage(DefaultMultiMode.java:125) 
at org.eclipse.wb.internal.core.editor.multi.MultiPagesMode.showSource(MultiPagesMode.java:54) 
at org.eclipse.wb.internal.core.editor.multi.MultiPagesMode.create(MultiPagesMode.java:100) 
at org.eclipse.wb.internal.core.editor.multi.DesignerEditor.createPartControl(DesignerEditor.java:87) 
at org.eclipse.ui.internal.EditorReference.createPartHelper(EditorReference.java:670) 
at org.eclipse.ui.internal.EditorReference.createPart(EditorReference.java:465) 
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:595) 
at org.eclipse.ui.internal.EditorAreaHelper.setVisibleEditor(EditorAreaHelper.java:271) 
at org.eclipse.ui.internal.EditorManager.setVisibleEditor(EditorManager.java:1459) 
at org.eclipse.ui.internal.EditorManager$5.runWithException(EditorManager.java:972) 
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31) 
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) 
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) 
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3537) 
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3189) 
at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:803) 
at org.eclipse.ui.internal.Workbench$33.runWithException(Workbench.java:1600) 
at org.eclipse.ui.internal.StartupThreading$StartupRunnable.run(StartupThreading.java:31) 
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35) 
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135) 
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3537) 
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3189) 
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2609) 
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2499) 
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:679) 
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332) 
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:668) 
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149) 
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:124) 
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196) 
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:353) 
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180) 
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) 
at java.lang.reflect.Method.invoke(Method.java:606) 
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629) 
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584) 
at org.eclipse.equinox.launcher.Main.run(Main.java:1438) 
at org.eclipse.equinox.launcher.Main.main(Main.java:1414) 

Answer 1

您需要安装 “窗口建设者引擎”。

在Eclipse中，前往帮助/安装新软件 并在“work with”字段中输入http://archive.eclipse.org/windowbuilder/WB/release/R201209281200/4.2/ 。 勾选所有下载（包括窗口生成器引擎）并让其重新启动eclipse。

//信贷https://bugs.launchpad.net/ubuntu/+source/sun-java6/+bug/1201198