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
This exception has no message.
via ZK-Tracker by dennis, 2 years ago
This exception has no message.
java.lang.NullPointerException: 	at org.zkoss.zss.model.impl.XSSFBookImpl.ranameSheetInAppXml(XSSFBookImpl.java:262)	at org.zkoss.zss.model.impl.XSSFBookImpl.setSheetName(XSSFBookImpl.java:253)	at org.zkoss.zss.model.impl.RangeImpl.setSheetName(RangeImpl.java:2374)	at org.zkoss.zss.ui.au.in.ActionCommand.processSheet(ActionCommand.java:87)	at org.zkoss.zss.ui.au.in.ActionCommand.process(ActionCommand.java:59)	at org.zkoss.zss.ui.Spreadsheet.service(Spreadsheet.java:4655)	at org.zkoss.zk.ui.impl.DesktopImpl.service(DesktopImpl.java:698)	at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1194)	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)