I am working on windows10. Once SNAP gets updated I cannot open help contents again. Here is the error code provided by SNAP:
java.lang.IllegalArgumentException: view is invalid
at javax.help.search.MergingSearchEngine.merge(MergingSearchEngine.java:91)
at javax.help.JHelpSearchNavigator.merge(JHelpSearchNavigator.java:168)
at javax.help.plaf.basic.BasicSearchNavigatorUI.addSubHelpSets(BasicSearchNavigatorUI.java:275)
at javax.help.plaf.basic.BasicSearchNavigatorUI.reloadData(BasicSearchNavigatorUI.java:225)
at javax.help.plaf.basic.BasicSearchNavigatorUI.installUI(BasicSearchNavigatorUI.java:174)
at javax.swing.JComponent.setUI(JComponent.java:666)
at javax.help.JHelpNavigator.setUI(JHelpNavigator.java:257)
at javax.help.JHelpNavigator.updateUI(JHelpNavigator.java:276)
at javax.help.JHelpNavigator.<init>(JHelpNavigator.java:105)
at javax.help.JHelpSearchNavigator.<init>(JHelpSearchNavigator.java:66)
at javax.help.SearchView.createNavigator(SearchView.java:80)
at javax.help.JHelp.setupNavigators(JHelp.java:148)
at javax.help.JHelp.<init>(JHelp.java:126)
at javax.help.JHelp.<init>(JHelp.java:76)
[catch] at org.netbeans.modules.javahelp.JavaHelp.createJHelp(JavaHelp.java:1021)
at org.netbeans.modules.javahelp.JavaHelp.createAndDisplayJHelp(JavaHelp.java:554)
at org.netbeans.modules.javahelp.JavaHelp.showHelp(JavaHelp.java:533)
at org.netbeans.modules.javahelp.JavaHelp.display(JavaHelp.java:577)
at org.openide.util.HelpCtx.display(HelpCtx.java:134)
at org.esa.snap.core.gpf.ui.OperatorMenu.lambda$createHelpMenuItem$0(OperatorMenu.java:140)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
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 com.jidesoft.plaf.vsnet.VsnetMenuItemUI.doClick(VsnetMenuItemUI.java:1395)
at com.jidesoft.plaf.vsnet.VsnetMenuItemUI$MouseInputHandler.mouseReleased(VsnetMenuItemUI.java:1190)
at java.awt.Component.processMouseEvent(Component.java:6539)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6304)
at java.awt.Container.processEvent(Container.java:2239)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2297)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
at java.awt.Container.dispatchEventImpl(Container.java:2283)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:760)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:733)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:730)
at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:159)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
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)