java.lang.ClassNotFoundException: javax.activation.DataContentHandlerFactory at jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:582) at jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:185) at java.lang.ClassLoader.loadClass(ClassLoader.java:496) Caused: java.lang.ClassNotFoundException: javax.activation.DataContentHandlerFactory starting from ModuleCL@547a40d9[org.openide.awt] with possible defining loaders null and declared parents [org.netbeans.MainImpl$BootClassLoader@4b1c1ea0, ModuleCL@1fce30d[org.netbeans.api.annotations.common]] at org.netbeans.ProxyClassLoader.loadClass(ProxyClassLoader.java:224) at java.lang.ClassLoader.loadClass(ClassLoader.java:496) Caused: java.lang.NoClassDefFoundError: javax/activation/DataContentHandlerFactory at org.openide.awt.QuickSearch.setUpSearch(QuickSearch.java:369) at org.openide.awt.QuickSearch.(QuickSearch.java:107) at org.openide.awt.QuickSearch.attach(QuickSearch.java:197) at org.openide.awt.QuickSearch.attach(QuickSearch.java:125) at org.openide.explorer.view.TreeView$ExplorerTree.setupSearch(TreeView.java:1936) at org.openide.explorer.view.TreeView$ExplorerTree.(TreeView.java:1753) at org.openide.explorer.view.TreeView.initializeTree(TreeView.java:299) at org.openide.explorer.view.TreeView.(TreeView.java:238) at org.openide.explorer.view.TreeView.(TreeView.java:228) at org.openide.explorer.view.BeanTreeView.(BeanTreeView.java:98) at org.netbeans.modules.favorites.Tab$MyBeanTreeView.(Tab.java:611) at org.netbeans.modules.favorites.Tab$MyBeanTreeView.(Tab.java:611) at org.netbeans.modules.favorites.Tab.initGui(Tab.java:169) at org.netbeans.modules.favorites.Tab.componentShowing(Tab.java:151) at org.openide.windows.WindowManager.componentShowing(WindowManager.java:339) at org.netbeans.core.windows.WindowManagerImpl.componentShowing(WindowManagerImpl.java:1200) at org.netbeans.core.windows.view.DefaultView.changeGUI(DefaultView.java:168) at org.netbeans.core.windows.ViewRequestor.dispatchRequest(ViewRequestor.java:275) at org.netbeans.core.windows.ViewRequestor.processRequest(ViewRequestor.java:251) at org.netbeans.core.windows.ViewRequestor.postRequest(ViewRequestor.java:189) at org.netbeans.core.windows.ViewRequestor.scheduleRequest(ViewRequestor.java:127) at org.netbeans.core.windows.Central.insertModeOpenedTopComponent(Central.java:834) at org.netbeans.core.windows.ModeImpl.addOpenedTopComponent(ModeImpl.java:362) at org.netbeans.core.windows.LazyLoader.loadNow(LazyLoader.java:162) at org.netbeans.core.windows.LazyLoader.access$400(LazyLoader.java:62) at org.netbeans.core.windows.LazyLoader$2.run(LazyLoader.java:129) at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:313) at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764) at java.awt.EventQueue.access$500(EventQueue.java:97) at java.awt.EventQueue$3.run(EventQueue.java:717) at java.awt.EventQueue$3.run(EventQueue.java:711) at java.security.AccessController.doPrivileged(AccessController.java:0) at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:89) at java.awt.EventQueue.dispatchEvent(EventQueue.java:734) at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159) at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:199) at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:124) at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:113) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:109) at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101) at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)