This Bugzilla instance is a read-only archive of historic NetBeans bug reports. To report a bug in NetBeans please follow the project's instructions for reporting issues.
Build: NetBeans IDE Dev (Build 201506080001) VM: Java HotSpot(TM) 64-Bit Server VM, 25.40-b25, Java(TM) SE Runtime Environment, 1.8.0_40-b25 OS: Mac OS X User Comments: fleka: after installing latest scala plugin and restart michbarsinai: Opening the IDE after installing a few plugins, invcluding NBScala. GUEST: just booting Nb Stacktrace: java.lang.NoClassDefFoundError: org/netbeans/modules/scala/maven/MavenProjectOpenedHook at org.netbeans.modules.scala.maven.MavenProjectOpenedHookLookupProvider.createAdditionalLookup(MavenProjectOpenedHookLookupProvider.java:29) at org.netbeans.spi.project.support.DelegatingLookupImpl.doDelegate(DelegatingLookupImpl.java:139) at org.netbeans.spi.project.support.DelegatingLookupImpl.<init>(DelegatingLookupImpl.java:91) at org.netbeans.spi.project.support.LookupProviderSupport.createCompositeLookup(LookupProviderSupport.java:107) at org.netbeans.modules.maven.NbMavenProjectImpl.<init>(NbMavenProjectImpl.java:250) at org.netbeans.modules.maven.NbMavenProjectFactory.loadProject(NbMavenProjectFactory.java:119)
Created attachment 154115 [details] stacktrace
This bug already has 5 duplicates see http://statistics.netbeans.org/exceptions/detail.do?id=215797
Created attachment 154574 [details] stacktrace Trying to open scala
Created attachment 155265 [details] stacktrace Opening IDE
This bug already has 10 duplicates see http://statistics.netbeans.org/exceptions/detail.do?id=215797
Created attachment 155267 [details] stacktrace Opening IDE
Created attachment 155340 [details] stacktrace Opening IDE
I am facing the same issue while creating and opening maven projects in NB_8.1_beta. Steps: New project - sample - maven - sample rest application OR New project - sample - vaadin - vaadin web application Stack trace: java.lang.ClassNotFoundException: org.netbeans.spi.project.ui.ProjectOpenedHook at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:222) Caused: java.lang.ClassNotFoundException: org.netbeans.spi.project.ui.ProjectOpenedHook starting from ModuleCL@2e85b0e9[org.netbeans.modules.scala.maven] with possible defining loaders [ModuleCL@2856cdc0[org.netbeans.modules.projectuiapi.base], ModuleCL@6465ce2a[org.netbeans.modules.projectuiapi]] and declared parents [ModuleCL@6465ce2a[org.netbeans.modules.projectuiapi], ModuleCL@28eafb94[org.netbeans.api.templates], org.netbeans.MainImpl$BootClassLoader@17a7cec2, ModuleCL@283631e3[org.netbeans.api.annotations.common], ModuleCL@389283dc[org.openide.nodes], ModuleCL@74f396b9[org.netbeans.modules.java.project.ui], ModuleCL@4b757c65[org.netbeans.modules.scala.editor], ModuleCL@223b4364[org.netbeans.libs.scalariform], ModuleCL@511b0dca[org.openide.windows], ModuleCL@65354c43[org.netbeans.modules.maven], ...7 more] at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:224) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) Caused: java.lang.NoClassDefFoundError: org/netbeans/spi/project/ui/ProjectOpenedHook at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:760) at org.netbeans.JarClassLoader.doLoadClass(JarClassLoader.java:311) at org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:259) Caused: java.lang.NoClassDefFoundError: org/netbeans/spi/project/ui/ProjectOpenedHook while loading org.netbeans.modules.scala.maven.MavenProjectOpenedHook; see http://wiki.netbeans.org/DevFaqTroubleshootClassNotFound at org.netbeans.ProxyClassLoader.selfLoadClass(ProxyClassLoader.java:263) at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:187) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) at org.netbeans.modules.scala.maven.MavenProjectOpenedHookLookupProvider.createAdditionalLookup(MavenProjectOpenedHook.scala:29) at org.netbeans.spi.project.support.DelegatingLookupImpl.doDelegate(DelegatingLookupImpl.java:139) at org.netbeans.spi.project.support.DelegatingLookupImpl.<init>(DelegatingLookupImpl.java:91) at org.netbeans.spi.project.support.LookupProviderSupport.createCompositeLookup(LookupProviderSupport.java:111) at org.netbeans.modules.maven.NbMavenProjectImpl.<init>(NbMavenProjectImpl.java:249) at org.netbeans.modules.maven.NbMavenProjectFactory.loadProject(NbMavenProjectFactory.java:119) at org.netbeans.modules.projectapi.nb.NbProjectManager.createProject(NbProjectManager.java:401) at org.netbeans.modules.projectapi.nb.NbProjectManager.access$300(NbProjectManager.java:94) at org.netbeans.modules.projectapi.nb.NbProjectManager$2.run(NbProjectManager.java:314) at org.netbeans.modules.projectapi.nb.NbProjectManager$2.run(NbProjectManager.java:243) at org.netbeans.modules.openide.util.DefaultMutexImplementation.readAccess(DefaultMutexImplementation.java:252) at org.openide.util.Mutex.readAccess(Mutex.java:250) at org.netbeans.modules.projectapi.nb.NbProjectManager.findProject(NbProjectManager.java:243) at org.netbeans.api.project.ProjectManager.findProject(ProjectManager.java:164) at org.netbeans.modules.project.ui.actions.NewProject.doPerform(NewProject.java:199) at org.netbeans.modules.project.ui.actions.NewProject.access$000(NewProject.java:91) at org.netbeans.modules.project.ui.actions.NewProject$1.run(NewProject.java:101) at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443) at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68) at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303) at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058) Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1484) at org.netbeans.modules.project.ui.actions.NewProject.actionPerformed(NewProject.java:108) at org.openide.awt.AlwaysEnabledAction$1.run(AlwaysEnabledAction.java:199) at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:95) at org.openide.util.actions.ActionInvoker.doPerformAction(ActionInvoker.java:116) at org.openide.util.actions.ActionInvoker.invokeAction(ActionInvoker.java:99) at org.openide.awt.AlwaysEnabledAction.actionPerformed(AlwaysEnabledAction.java:202) at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022) at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346) at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402) at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259) at javax.swing.AbstractButton.doClick(AbstractButton.java:376) at javax.swing.plaf.basic.BasicMenuItemUI.doClick(BasicMenuItemUI.java:833) at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(BasicMenuItemUI.java:877) at java.awt.Component.processMouseEvent(Component.java:6525) at javax.swing.JComponent.processMouseEvent(JComponent.java:3324) at java.awt.Component.processEvent(Component.java:6290) at java.awt.Container.processEvent(Container.java:2234) at java.awt.Component.dispatchEventImpl(Component.java:4881) at java.awt.Container.dispatchEventImpl(Container.java:2292) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898) at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533) at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462) at java.awt.Container.dispatchEventImpl(Container.java:2278) at java.awt.Window.dispatchEventImpl(Window.java:2750) at java.awt.Component.dispatchEvent(Component.java:4703) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:709) at java.awt.EventQueue$3.run(EventQueue.java:703) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86) at java.awt.EventQueue$4.run(EventQueue.java:731) at java.awt.EventQueue$4.run(EventQueue.java:729) at java.security.AccessController.doPrivileged(Native Method) at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75) at java.awt.EventQueue.dispatchEvent(EventQueue.java:728) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93) [catch] at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)