java.lang.ClassNotFoundException: org.netbeans.modules.web.project.WebProjectType
   at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
   at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
Caused: java.lang.ClassNotFoundException: org.netbeans.modules.web.project.WebProjectType starting from SystemClassLoader[468 modules] with possible defining loaders [ModuleCL@1022de4[org.netbeans.modules.web.project]] and declared parents [ModuleCL@1486306[org.netbeans.modules.db.mysql.sakila], ModuleCL@31ff23[org.apache.tools.ant.module], ModuleCL@2af8f5[org.netbeans.modules.parsing.api], ModuleCL@129c445[org.netbeans.modules.websvc.saas.kit], ModuleCL@1566a6c[org.netbeans.modules.refactoring.java], ModuleCL@14ed577[org.netbeans.modules.db], ModuleCL@1042fcc[org.netbeans.api.visual], ModuleCL@c08593[org.netbeans.modules.editor.mimelookup], ModuleCL@58cca9[org.netbeans.modules.html], ModuleCL@7fc8b2[org.netbeans.modules.maven.jaxws], ModuleCL@c135d6[org.netbeans.modules.websvc.jaxws21], ModuleCL@12dd76[org.netbeans.modules.editor.completion], ModuleCL@1f7cdc7[org.netbeans.spi.palette], ModuleCL@67c1a6[org.netbeans.modules.jumpto], ModuleCL@11ff451[org.netbeans.modules.web.client.tools.api], ModuleCL@baf589[org.netbe
   at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:264)
   at org.netbeans.ModuleManager$SystemClassLoader.loadClass(ModuleManager.java:530)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
Caused: java.lang.IllegalArgumentException: java.lang.ClassNotFoundException: org.netbeans.modules.web.project.WebProjectType starting from SystemClassLoader[468 modules] with possible defining loaders [ModuleCL@1022de4[org.netbeans.modules.web.project]] and declared parents [ModuleCL@1486306[org.netbeans.modules.db.mysql.sakila], ModuleCL@31ff23[org.apache.tools.ant.module], ModuleCL@2af8f5[org.netbeans.modules.parsing.api], ModuleCL@129c445[org.netbeans.modules.websvc.saas.kit], ModuleCL@1566a6c[org.netbeans.modules.refactoring.java], ModuleCL@14ed577[org.netbeans.modules.db], ModuleCL@1042fcc[org.netbeans.api.visual], ModuleCL@c08593[org.netbeans.modules.editor.mimelookup], ModuleCL@58cca9[org.netbeans.modules.html], ModuleCL@7fc8b2[org.netbeans.modules.maven.jaxws], ModuleCL@c135d6[org.netbeans.modules.websvc.jaxws21], ModuleCL@12dd76[org.netbeans.modules.editor.completion], ModuleCL@1f7cdc7[org.netbeans.spi.palette], ModuleCL@67c1a6[org.netbeans.modules.jumpto], ModuleCL@11ff451[org.netbeans.modules.web.client.t
   at org.netbeans.modules.project.ant.AntBasedGenericType.createProject(AntBasedGenericType.java:142)
   at org.netbeans.modules.project.ant.AntBasedProjectFactorySingleton.loadProject(AntBasedProjectFactorySingleton.java:258)
   at org.netbeans.api.project.ProjectManager.createProject(ProjectManager.java:360)
   at org.netbeans.api.project.ProjectManager.access$300(ProjectManager.java:84)
   at org.netbeans.api.project.ProjectManager$2.run(ProjectManager.java:281)
   at org.netbeans.api.project.ProjectManager$2.run(ProjectManager.java:232)
   at org.openide.util.Mutex.readAccess(Mutex.java:330)
   at org.netbeans.api.project.ProjectManager.findProject(ProjectManager.java:232)
   at org.netbeans.modules.welcome.content.RecentProjectsPanel$OpenProjectAction.actionPerformed(RecentProjectsPanel.java:167)
   at org.netbeans.modules.welcome.content.ActionButton.actionPerformed(ActionButton.java:79)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
   at java.awt.Component.processMouseEvent(Component.java:6038)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3260)
   at java.awt.Component.processEvent(Component.java:5803)
   at java.awt.Container.processEvent(Container.java:2058)
   at java.awt.Component.dispatchEventImpl(Component.java:4410)
   at java.awt.Container.dispatchEventImpl(Container.java:2116)
   at java.awt.Component.dispatchEvent(Component.java:4240)
   at java.awt.LightweightDispatcher.retargetMouseEvent(LightweightDispatcher.java:4322)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:3986)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:3916)
   at java.awt.Container.dispatchEventImpl(Container.java:2102)
   at java.awt.Window.dispatchEventImpl(Window.java:2429)
   at java.awt.Component.dispatchEvent(Component.java:4240)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:137)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)