应用错误收集

我在NetBeans中获得ClassNotFoundException org.netbeans.modules.maven.j2ee.J2eeActionsProvider：

注释：从中加载时 BinaryFileMap @ b19ad5 {FO = MultiFileObject @ b4e1e7 [项目/ ORG-netbeans的模块-行家/战/查寻/ ORG-netbeans的模块-行家-J2EE的J2eeActionsProvider.instance]} 从加载时 BinaryFileMap @ b19ad5 {FO = MultiFileObject @ b4e1e7 [项目/ ORG-netbeans的模块-行家/战/查寻/ ORG-netbeans的模块-行家-J2EE的J2eeActionsProvider.instance]} 引起：java.lang.ClassNotFoundException： org.netbeans.modules.maven.j2ee.J2eeActionsProvider从 SystemClassLoader [474模块]可能定义加载器null和声明父母[org.netbeans.MainImpl$BootClassLoader@12c6ec2, ModuleCL @ 4e4a22 [org.netbeans.api.annotations.common] ModuleCL @ c7fc0e [org.openide.awt] ModuleCL @ 7c7efa [org.netbeans.api.progress] ModuleCL @ 5936cd [org.openide.dialogs] ModuleCL @ 575101 [org.openide.nodes] ModuleCL @ 1a7eac9 [org.openide.windows] ModuleCL @ a5c529 [org.netbeans.modules.editor.mimelookup] ModuleCL @ 1d36f2e [org.openide.text] ModuleCL @ 134e1cc [org.netbeans.swing.tabcontrol]，... 458 more] at org.netbeans.ProxyClassLoader.loadClass（ProxyClassLoader.java:224）at at org.netbeans.ModuleManager $ SystemClassLoader.loadClass（ModuleManager.java:722）在java.lang.ClassLoader.loadClass（ClassLoader.java:357）at org.netbeans.modules.projectapi.LazyLookupProviders.loadPSPInstance（LazyLookupProviders.java:174）在 org.netbeans.modules.projectapi.LazyLookupProviders.access $ 000（LazyLookupProviders.java:73）在 org.netbeans.modules.projectapi.LazyLookupProviders $ 1 $ 1.beforeLookup（LazyLookupProviders.java:118）在 org.openide.util.lookup.ProxyLookup.beforeLookup（ProxyLookup.java:209）在 org.openide.util.lookup.ProxyLookup $ R.myBeforeLookup（ProxyLookup.java:667）在 org.openide.util.lookup.ProxyLookup $ R.beforeLookup（ProxyLookup.java:689）在 org.openide.util.lookup.ProxyLookup $ R.myBeforeLookup（ProxyLookup.java:676）在 org.openide.util.lookup.ProxyLookup $ R.beforeLookup（ProxyLookup.java:689）在 org.openide.util.lookup.ExcludingLookup $ R.beforeLookup（ExcludingLookup.java:328）在 org.openide.util.lookup.ProxyLookup $ R.myBeforeLookup（ProxyLookup.java:676）在 org.openide.util.lookup.ProxyLookup $ R.computeResult（ProxyLookup.java:549）在 org.openide.util.lookup.ProxyLookup $ R.allInstances（ProxyLookup.java:509）在 org.openide.util.lookup.ProxyLookup $ R.allInstances（ProxyLookup.java:505）在 org.openide.util.lookup.SimpleProxyLookup $ ProxyResult.allInstances（SimpleProxyLookup.java:267）在org.openide.util.Lookup.lookupAll（Lookup.java:271）at org.netbeans.modules.maven.execute.ActionToGoalUtils.actionProviders（ActionToGoalUtils.java:120）在 org.netbeans.modules.maven.ActionProviderImpl.getSupportedActions（ActionProviderImpl.java:179）在 org.netbeans.modules.project.ui.ProjectsRootNode $ BadgingNode.canDestroy（ProjectsRootNode.java:884）在 org.netbeans.modules.openide.explorer.ExplorerActionsImpl.updateActions（ExplorerActionsImpl.java:258）在 org.netbeans.modules.openide.explorer.ExplorerActionsImpl $ ActionStateUpdater.run（ExplorerActionsImpl.java:798）在 org.openide.util.RequestProcessor $ Task.run（RequestProcessor.java:1423）在 org.openide.util.RequestProcessor $ Processor.run（RequestProcessor.java:2033）引起：java.lang.ClassNotFoundException： org.netbeans.modules.maven.j2ee.J2eeActionsProvider at java.net.URLClassLoader $ 1.run（URLClassLoader.java:372）at java.net.URLClassLoader $ 1.run（URLClassLoader.java:361）at java.security.AccessController.doPrivileged（Native Method）at java.net.URLClassLoader.findClass（URLClassLoader.java:360）at java.lang.ClassLoader.loadClass（ClassLoader.java:424）at sun.misc.Launcher $ AppClassLoader.loadClass（Launcher.java:308）at at java.lang.ClassLoader.loadClass（ClassLoader.java:357）at org.netbeans.ProxyClassLoader.loadClass（ProxyClassLoader.java:222） ...加载时还有24个 BinaryFileMap @ b19ad5 {FO = MultiFileObject @ b4e1e7 [项目/ ORG-netbeans的模块-行家/战/查寻/ ORG-netbeans的模块-行家-J2EE的J2eeActionsProvider.instance]}

为什么我会收到此异常？

在NetBeans中获得意外的异常

1 个答案: