29141 [979582289@qtp-667823572-4] ERROR eu.webtoolkit.jwt.WebSession - fatal error: java.lang.RuntimeException: java.text.ParseException: Unparseable number: "" java.lang.RuntimeException: java.text.ParseException: Unparseable number: "" at eu.webtoolkit.jwt.utils.LocaleUtils.toDouble(LocaleUtils.java:30) at eu.webtoolkit.jwt.StringUtils.asNumber(StringUtils.java:117) at eu.webtoolkit.jwt.chart.WChart2DRenderer.iterateSeries(WChart2DRenderer.java:1185) at eu.webtoolkit.jwt.chart.WChart2DRenderer.iterateSeries(WChart2DRenderer.java:1247) at eu.webtoolkit.jwt.chart.WAxis.computeRange(WAxis.java:1150) at eu.webtoolkit.jwt.chart.WAxis.prepareRender(WAxis.java:863) at eu.webtoolkit.jwt.chart.WChart2DRenderer.isPrepareAxes(WChart2DRenderer.java:462) at eu.webtoolkit.jwt.chart.WChart2DRenderer.isInitLayout(WChart2DRenderer.java:146) at eu.webtoolkit.jwt.chart.WChart2DRenderer.render(WChart2DRenderer.java:186) at eu.webtoolkit.jwt.chart.WCartesianChart.paint(WCartesianChart.java:602) at eu.webtoolkit.jwt.chart.WAbstractChart.paint(WAbstractChart.java:342) at eu.webtoolkit.jwt.chart.WCartesianChart.paintEvent(WCartesianChart.java:929) at eu.webtoolkit.jwt.WPaintedWidget.createDomElement(WPaintedWidget.java:436) at eu.webtoolkit.jwt.WWebWidget.createActualElement(WWebWidget.java:781) at eu.webtoolkit.jwt.WWidget.createSDomElement(WWidget.java:1353) at eu.webtoolkit.jwt.WContainerWidget.createDomChildren(WContainerWidget.java:880) at eu.webtoolkit.jwt.WContainerWidget.createDomElement(WContainerWidget.java:818) at eu.webtoolkit.jwt.WContainerWidget.createDomElement(WContainerWidget.java:1088) at eu.webtoolkit.jwt.WWebWidget.createActualElement(WWebWidget.java:781) at eu.webtoolkit.jwt.WWidget.createSDomElement(WWidget.java:1353) at eu.webtoolkit.jwt.WContainerWidget.updateDomChildren(WContainerWidget.java:906) at eu.webtoolkit.jwt.WContainerWidget.getDomChanges(WContainerWidget.java:807) at eu.webtoolkit.jwt.WWebWidget.getSDomChanges(WWebWidget.java:2118) at eu.webtoolkit.jwt.WebRenderer.collectChanges(WebRenderer.java:961) at eu.webtoolkit.jwt.WebRenderer.collectJS(WebRenderer.java:1149) at eu.webtoolkit.jwt.WebRenderer.collectJavaScriptUpdate(WebRenderer.java:978) at eu.webtoolkit.jwt.WebRenderer.collectJavaScript(WebRenderer.java:885) at eu.webtoolkit.jwt.WebRenderer.serveJavaScriptUpdate(WebRenderer.java:411) at eu.webtoolkit.jwt.WebRenderer.serveResponse(WebRenderer.java:159) at eu.webtoolkit.jwt.WebSession.serveResponse(WebSession.java:1770) at eu.webtoolkit.jwt.WebSession.render(WebSession.java:1736) at eu.webtoolkit.jwt.WebSession.notify(WebSession.java:521) at eu.webtoolkit.jwt.WApplication.notify(WApplication.java:2805) at eu.webtoolkit.jwt.WebSession.handleRequest(WebSession.java:1539) at eu.webtoolkit.jwt.WtServlet.doHandleRequest(WtServlet.java:351) at eu.webtoolkit.jwt.ServletApi.handleRequest(ServletApi.java:27) at eu.webtoolkit.jwt.ServletApi25.doHandleRequest(ServletApi25.java:36) at eu.webtoolkit.jwt.WtServlet.handleRequest(WtServlet.java:245) at eu.webtoolkit.jwt.WtServlet.doPost(WtServlet.java:261) 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) Caused by: java.text.ParseException: Unparseable number: "" at java.text.NumberFormat.parse(Unknown Source) at eu.webtoolkit.jwt.utils.LocaleUtils.toDouble(LocaleUtils.java:28) ... 55 more 29143 [979582289@qtp-667823572-4] INFO eu.webtoolkit.jwt.WtServlet - Session exiting: 1pc9jifjnj4hdoqoc628wyqz2 (#sessions = 0)