Hi
Presently I am working on an application which involves tabs.
In one tab, a table is loaded based on user inputs ( drop down box ).
When clicking on one of the rows, a pop up widow is displayed . Until this, every thing is fine.
After, the window is closed, while clicking on the row of the table, i am getting the following exception, not sure why ?
java.lang.NullPointerException
at com.vaadin.ui.TabSheet.paintContent(TabSheet.java:240)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:710)
at com.vaadin.ui.AbstractOrderedLayout.paintContent(AbstractOrderedLayout.java:146)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:710)
at com.vaadin.ui.Panel.paintContent(Panel.java:240)
at com.vaadin.ui.Window.paintContent(Window.java:553)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:710)
at com.vaadin.ui.Window.paintContent(Window.java:576)
at com.vaadin.ui.AbstractComponent.paint(AbstractComponent.java:710)
at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.paintAfterVariableChanges(AbstractCommunicationManager.java:779)
at com.vaadin.terminal.gwt.server.AbstractCommunicationManager.doHandleUidlRequest(AbstractCommunicationManager.java:592)
at com.vaadin.terminal.gwt.server.CommunicationManager.handleUidlRequest(CommunicationManager.java:260)
at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:438)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:502)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:389)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:417)
at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
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:534)
at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:879)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:747)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:520)
Please throw some light regarding this issue.
Regards
Vasu Patnaik.