java.lang.NullPointerException

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Solutions on the web123724

  • via Terracotta by unnutz, 11 months ago
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  • Stack trace

    • 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)

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