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via ZK-Tracker by hawk, 1 year ago
This exception has no message.
via ZK-Tracker by hawk, 1 year ago
This exception has no message.
java.lang.NullPointerException: 	at org.zkoss.zssex.util.ZssChartExportEngine.drawJFreeChart(ZssChartExportEngine.java:99)	at org.zkoss.zssex.util.ChartHelper.drawJFreeChart(ChartHelper.java:78)	at org.zkoss.zss.model.impl.pdf.PdfExporter.layoutCharts(PdfExporter.java:999)	at org.zkoss.zss.model.impl.pdf.PdfExporter.access$1500(PdfExporter.java:86)	at org.zkoss.zss.model.impl.pdf.PdfExporter$PdfHeaderFooter.onEndPage(PdfExporter.java:1613)	at com.lowagie.text.pdf.PdfDocument.newPage(Unknown Source)	at com.lowagie.text.Document.newPage(Unknown Source)	at org.zkoss.zss.model.impl.pdf.PdfExporter.printColumns(PdfExporter.java:581)	at org.zkoss.zss.model.impl.pdf.PdfExporter.exportSheet(PdfExporter.java:302)	at org.zkoss.zss.model.impl.pdf.PdfExporter.export(PdfExporter.java:182)	at org.zkoss.zss.api.impl.ExporterImpl.export(ExporterImpl.java:49)	at org.zkoss.zss.essential.ExportPdfComposer.doExport(ExportPdfComposer.java:57)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at org.zkoss.zk.ui.select.Selectors$ComposerEventListener.onEvent(Selectors.java:681)	at org.zkoss.zk.ui.AbstractComponent.onEvent(AbstractComponent.java:2746)	at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2717)	at org.zkoss.zk.ui.AbstractComponent.service(AbstractComponent.java:2658)	at org.zkoss.zk.ui.impl.EventProcessor.process(EventProcessor.java:136)	at org.zkoss.zk.ui.impl.UiEngineImpl.processEvent(UiEngineImpl.java:1765)	at org.zkoss.zk.ui.impl.UiEngineImpl.process(UiEngineImpl.java:1550)	at org.zkoss.zk.ui.impl.UiEngineImpl.execUpdate(UiEngineImpl.java:1260)	at org.zkoss.zk.au.http.DHtmlUpdateServlet.process(DHtmlUpdateServlet.java:603)	at org.zkoss.zk.au.http.DHtmlUpdateServlet.doGet(DHtmlUpdateServlet.java:485)	at org.zkoss.zk.au.http.DHtmlUpdateServlet.doPost(DHtmlUpdateServlet.java:494)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)	at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)	at org.mortbay.jetty.Server.handle(Server.java:326)	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)	at org.mortbay.jetty.HttpConnection$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)