java.lang.ClassNotFoundException: javax.crypto.spec.SecretKeySpec
   at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:513)
   at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:429)
   at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:417)
   at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
Caused: java.lang.NoClassDefFoundError: javax/crypto/spec/SecretKeySpec
   at com.jcraft.jsch.jce.AES256CTR.init(AES256CTR.java:55)
   at com.jcraft.jsch.Session.checkCipher(Session.java:1980)
   at com.jcraft.jsch.Session.checkCiphers(Session.java:1957)
   at com.jcraft.jsch.Session.send_kexinit(Session.java:565)
   at com.jcraft.jsch.Session.connect(Session.java:282)
   at org.netbeans.modules.php.project.connections.sftp.SftpClient.init(SftpClient.java:150)
   at org.netbeans.modules.php.project.connections.sftp.SftpClient.connect(SftpClient.java:170)
   at org.netbeans.modules.php.project.connections.RemoteClient.connect(RemoteClient.java:191)
   at org.netbeans.modules.php.project.connections.RemoteClient.ensureConnected(RemoteClient.java:1116)
   at org.netbeans.modules.php.project.connections.RemoteClient.upload(RemoteClient.java:347)
   at org.netbeans.modules.php.project.copysupport.RemoteOperationFactory.doCopy(RemoteOperationFactory.java:254)
   at org.netbeans.modules.php.project.copysupport.RemoteOperationFactory$1.call(RemoteOperationFactory.java:142)
   at org.netbeans.modules.php.project.copysupport.RemoteOperationFactory$1.call(RemoteOperationFactory.java:135)
   at org.netbeans.modules.php.project.copysupport.CopySupport$ProxyOperationFactory$ProxyHandler.callRemote(CopySupport.java:531)
   at org.netbeans.modules.php.project.copysupport.CopySupport$ProxyOperationFactory$ProxyHandler.call(CopySupport.java:475)
   at org.netbeans.modules.php.project.copysupport.CopySupport$ProxyOperationFactory$ProxyHandler.call(CopySupport.java:463)
   at org.netbeans.modules.php.project.copysupport.CopySupport$2.run(CopySupport.java:146)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1404)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1984)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NoClassDefFoundError: javax/crypto/spec/SecretKeySpec
   at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:1445)
   at org.netbeans.modules.php.project.copysupport.CopySupport.prepareOperation(CopySupport.java:209)
   at org.netbeans.modules.php.project.copysupport.CopySupport.fileChanged(CopySupport.java:339)
   at org.netbeans.modules.php.project.copysupport.CopySupport$SourcesFileChangeListener.fileChanged(CopySupport.java:581)
   at org.openide.filesystems.DeepListener.fileChanged(DeepListener.java:171)
   at org.openide.filesystems.DeepListener.fileChanged(DeepListener.java:164)
   at org.netbeans.modules.masterfs.filebasedfs.fileobjects.FileObjectKeeper.fileChanged(FileObjectKeeper.java:284)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEventImpl(FCLSupport.java:145)
   at org.openide.filesystems.FCLSupport$DispatchEventWrapper.dispatchEvent(FCLSupport.java:128)
   at org.openide.filesystems.FCLSupport.dispatchEvent(FCLSupport.java:105)
   at org.openide.filesystems.FileObject$ED.dispatch(FileObject.java:1242)
   at org.openide.filesystems.EventControl.invokeDispatchers(EventControl.java:213)
   at org.openide.filesystems.EventControl.exitAtomicAction(EventControl.java:188)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:129)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:607)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:580)
   at org.openide.text.DataEditorSupport.saveDocument(DataEditorSupport.java:604)
   at org.netbeans.modules.csl.core.GsfDataObject$GenericEditorSupport$Environment$SaveSupport.save(GsfDataObject.java:212)
   at org.openide.actions.SaveAction.performAction(SaveAction.java:132)
   at org.openide.actions.SaveAction.performAction(SaveAction.java:102)
   at org.openide.actions.SaveAction$Delegate.actionPerformed(SaveAction.java:249)
   at org.openide.awt.ContextAction$Performer.actionPerformed(ContextAction.java:231)
   at org.openide.awt.ContextManager.actionPerformed(ContextManager.java:250)
   at org.openide.awt.ContextAction.actionPerformed(ContextAction.java:109)
   at org.openide.util.actions.ActionInvoker$1.run(ActionInvoker.java:93)
   at org.openide.util.actions.ActionInvoker.doPerformAction(ActionInvoker.java:116)
   at org.openide.util.actions.ActionInvoker.invokeAction(ActionInvoker.java:99)
   at org.openide.awt.GeneralAction$BaseDelAction.actionPerformed(GeneralAction.java:234)
   at org.openide.windows.TopComponent.processKeyBinding(TopComponent.java:1156)
   at javax.swing.JComponent.processKeyBindings(JComponent.java:2931)
   at javax.swing.JComponent.processKeyEvent(JComponent.java:2833)
   at java.awt.Component.processEvent(Component.java:6281)
   at java.awt.Container.processEvent(Container.java:2229)
   at java.awt.Component.dispatchEventImpl(Component.java:4860)
   at java.awt.Container.dispatchEventImpl(Container.java:2287)
   at java.awt.Component.dispatchEvent(Component.java:4686)
   at java.awt.KeyboardFocusManager.redispatchEvent(KeyboardFocusManager.java:1908)
   at java.awt.DefaultKeyboardFocusManager.dispatchKeyEvent(DefaultKeyboardFocusManager.java:752)
   at java.awt.DefaultKeyboardFocusManager.preDispatchKeyEvent(DefaultKeyboardFocusManager.java:1017)
   at java.awt.DefaultKeyboardFocusManager.typeAheadAssertions(DefaultKeyboardFocusManager.java:889)
   at java.awt.DefaultKeyboardFocusManager.dispatchEvent(DefaultKeyboardFocusManager.java:717)
   at java.awt.Component.dispatchEventImpl(Component.java:4730)
   at java.awt.Container.dispatchEventImpl(Container.java:2287)
   at java.awt.Window.dispatchEventImpl(Window.java:2713)
   at java.awt.Component.dispatchEvent(Component.java:4686)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:707)
   at java.awt.EventQueue.access$000(EventQueue.java:101)
   at java.awt.EventQueue$3.run(EventQueue.java:666)
   at java.awt.EventQueue$3.run(EventQueue.java:664)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
   at java.awt.EventQueue$4.run(EventQueue.java:680)
   at java.awt.EventQueue$4.run(EventQueue.java:678)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:677)
   at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:162)
   at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:211)
   at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:128)
   at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:117)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:113)
   at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:105)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:90)