java.util.ServiceConfigurationError: javax.xml.transform.TransformerFactory: Provider net.sf.saxon.TransformerFactoryImpl not found
   at java.util.ServiceLoader.fail(ServiceLoader.java:239)
   at java.util.ServiceLoader.access$300(ServiceLoader.java:185)
   at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:372)
   at java.util.ServiceLoader$LazyIterator.access$700(ServiceLoader.java:323)
   at java.util.ServiceLoader$LazyIterator$2.run(ServiceLoader.java:407)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:409)
   at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
   at javax.xml.transform.FactoryFinder$1.run(FactoryFinder.java:328)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
Caused: java.lang.RuntimeException: Provider for class javax.xml.transform.TransformerFactory cannot be created
Caused: javax.xml.transform.TransformerFactoryConfigurationError: Provider for class javax.xml.transform.TransformerFactory cannot be created
   at javax.xml.transform.FactoryFinder.findServiceProvider(FactoryFinder.java:345)
   at javax.xml.transform.FactoryFinder.find(FactoryFinder.java:299)
   at javax.xml.transform.TransformerFactory.newInstance(TransformerFactory.java:106)
   at org.eclipse.mylyn.internal.tasks.core.externalization.TaskListExternalizer.writeDocument(TaskListExternalizer.java:176)
   at org.eclipse.mylyn.internal.tasks.core.externalization.TaskListExternalizer.writeTaskList(TaskListExternalizer.java:119)
   at org.netbeans.modules.mylyn.util.MylynSupport$4.execute(MylynSupport.java:613)
   at org.eclipse.mylyn.internal.tasks.core.TaskList.run(TaskList.java:673)
   at org.eclipse.mylyn.internal.tasks.core.TaskList.run(TaskList.java:664)
   at org.eclipse.mylyn.internal.tasks.core.TaskList.run(TaskList.java:660)
   at org.netbeans.modules.mylyn.util.MylynSupport.persist(MylynSupport.java:585)
   at org.netbeans.modules.mylyn.util.MylynSupport.finish(MylynSupport.java:522)
   at org.netbeans.modules.mylyn.util.AccessorImpl.finishMylyn(AccessorImpl.java:69)
   at org.netbeans.modules.mylyn.util.internal.ModuleLifecycleManager.closing(ModuleLifecycleManager.java:57)
   at org.netbeans.core.startup.NbInstaller.closing(NbInstaller.java:707)
   at org.netbeans.ModuleManager.shutDownAsync(ModuleManager.java:1986)
   at org.netbeans.core.startup.ModuleSystem.shutDownAsync(ModuleSystem.java:349)
   at org.netbeans.core.NbLifeExit.doExit(NbLifeExit.java:137)
   at org.netbeans.core.NbLifeExit.run(NbLifeExit.java:94)
   at org.openide.util.Mutex.doEvent(Mutex.java:1356)
   at org.openide.util.Mutex.readAccess(Mutex.java:355)
   at org.netbeans.core.NbLifecycleManager.exit(NbLifecycleManager.java:213)
   at org.netbeans.core.NbLifecycleManager.exit(NbLifecycleManager.java:119)
   at org.netbeans.modules.autoupdate.services.InstallSupportImpl.doRestart(InstallSupportImpl.java:520)
   at org.netbeans.api.autoupdate.InstallSupport.doRestart(InstallSupport.java:176)
   at org.netbeans.modules.autoupdate.ui.wizards.InstallStep$12.run(InstallStep.java:684)
   at org.netbeans.modules.autoupdate.ui.wizards.InstallStep$13.actionPerformed(InstallStep.java:703)
   at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
   at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
   at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
   at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
   at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
   at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:289)
   at java.awt.Component.processMouseEvent(Component.java:6525)
   at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
   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(LightweightDispatcher.java:4898)
   at java.awt.LightweightDispatcher.processMouseEvent(LightweightDispatcher.java:4533)
   at java.awt.LightweightDispatcher.dispatchEvent(LightweightDispatcher.java:4462)
   at java.awt.Container.dispatchEventImpl(Container.java:2278)
   at java.awt.Window.dispatchEventImpl(Window.java:2739)
   at java.awt.Component.dispatchEvent(Component.java:4703)
   at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
   at java.awt.EventQueue.access$400(EventQueue.java:97)
   at java.awt.EventQueue$3.run(EventQueue.java:697)
   at java.awt.EventQueue$3.run(EventQueue.java:691)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   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:719)
   at java.awt.EventQueue$4.run(EventQueue.java:717)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
   at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
   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)
   at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)