Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via ZK-Tracker by dennis, 1 year ago
via ZK-Tracker by dennis, 2 years ago
via ZK-Tracker by emorozovs, 1 year ago
This exception has no message.
via ZK-Tracker by emorozovs, 2 years ago
This exception has no message.
java.lang.NullPointerException at org.zkoss.zul.Listbox.setSelectedIndex(Listbox.java:929) at org.zkoss.zul.Listbox.onListDataChange(Listbox.java:2531) at org.zkoss.zul.Listbox.access$800(Listbox.java:261) at org.zkoss.zul.Listbox$4.onChange(Listbox.java:461) at org.zkoss.zul.AbstractListModel.fireEvent(AbstractListModel.java:61) at org.zkoss.zul.ListModelList.fireSelectionEvent(ListModelList.java:438) at org.zkoss.zul.AbstractListModel.addToSelection(AbstractListModel.java:130) at org.zkoss.bind.converter.sys.ListboxSelectedItemConverter.coerceToUi(ListboxSelectedItemConverter.java:48) at org.zkoss.bind.impl.LoadPropertyBindingImpl.load(LoadPropertyBindingImpl.java:74) at org.zkoss.bind.impl.BinderImpl.loadOnPropertyChange(BinderImpl.java:360) at org.zkoss.bind.impl.BinderImpl.access$100(BinderImpl.java:98) at org.zkoss.bind.impl.BinderImpl$QueueListener.onEvent(BinderImpl.java:278) at org.zkoss.zk.ui.event.impl.DesktopEventQueue$QueueListener.onEvent(DesktopEventQueue.java:145) at org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:2739) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2710) at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2651) at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:136) at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1710) at org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1495) at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1205) at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:583) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:481) at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:489) at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401) at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766) at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450) at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) at org.mortbay.jetty.Server.handle(Server.java:326) at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:945) at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:756) at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:410) at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)