我已经使用http://pmd.sourceforge.net/integrations.html#eclipse中提到的步骤在 eclipse 3.2 上安装了 PMD 3.2.6 插件
但是，如果我尝试打开 PMD 视图或尝试 PMD 代码检查，我会收到以下错误。请注意，我确实在安装后重新启动了我的 Eclipse。当我在 Eclipse 3.3 中安装它时，它也运行良好。不幸的是，由于其他一些限制，我不得不坚持使用 Eclipse 3.2。
Error: Unable to create view: An unexpected exception was thrown.
java.lang.NullPointerException
at net.sourceforge.pmd.eclipse.ui.views.PriorityFilter.<init>(Unknown Source)
at net.sourceforge.pmd.eclipse.ui.views.ViolationOverview.init(Unknown Source)
at org.eclipse.ui.part.ViewPart.init(ViewPart.java:122)
at org.eclipse.ui.internal.ViewReference.createPartHelper(ViewReference.java:305)
at org.eclipse.ui.internal.ViewReference.createPart(ViewReference.java:197)
at org.eclipse.ui.internal.WorkbenchPartReference.getPart(WorkbenchPartReference.java:566)
at org.eclipse.ui.internal.WorkbenchPage$ActivationList.setActive(WorkbenchPage.java:3915)
at org.eclipse.ui.internal.WorkbenchPage.restoreState(WorkbenchPage.java:2929)
at org.eclipse.ui.internal.WorkbenchWindow.restoreState(WorkbenchWindow.java:1936)
at org.eclipse.ui.internal.Workbench.doRestoreState(Workbench.java:2873)
at org.eclipse.ui.internal.Workbench.access$14(Workbench.java:2821)
at org.eclipse.ui.internal.Workbench$20.run(Workbench.java:1697)
at org.eclipse.ui.internal.Workbench.runStartupWithProgress(Workbench.java:1437)
at org.eclipse.ui.internal.Workbench.restoreState(Workbench.java:1695)
at org.eclipse.ui.internal.Workbench.access$12(Workbench.java:1666)
at org.eclipse.ui.internal.Workbench$18.run(Workbench.java:1545)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:37)
at org.eclipse.ui.internal.Workbench.restoreState(Workbench.java:1489)
at org.eclipse.ui.internal.WorkbenchConfigurer.restoreState(WorkbenchConfigurer.java:183)
at org.eclipse.ui.application.WorkbenchAdvisor.openWindows(WorkbenchAdvisor.java:702)
at org.eclipse.ui.internal.Workbench.init(Workbench.java:1101)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:1863)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:422)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.IDEApplication.run(IDEApplication.java:95)
at org.eclipse.core.internal.runtime.PlatformActivator$1.run(PlatformActivator.java:78)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:92)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:68)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:400)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:177)
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.core.launcher.Main.invokeFramework(Main.java:336)
at org.eclipse.core.launcher.Main.basicRun(Main.java:280)
at org.eclipse.core.launcher.Main.run(Main.java:977)
at org.eclipse.core.launcher.Main.main(Main.java:952)
以前有人遇到过这个问题吗？