观察Tomcat输出,出现类似错误提示:
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2017-10-30 04:32:48 加载模块:/UI2/system/service/report java.lang.IllegalArgumentException: Width (0) and height (0) cannot be <= 0 at java.awt.image.DirectColorModel.createCompatibleWritableRaster(DirectColorModel.java: at java.awt.image.BufferedImage.<init>(BufferedImage.java:333)
at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1394)
at org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1376)
at org.jfree.chart.ChartUtilities.writeChartAsPNG(ChartUtilities.java:169)
at org.jfree.chart.ChartUtilities.saveChartAsPNG(ChartUtilities.java:305)
at org.jfree.chart.servlet.ServletUtilities.saveChartAsPNG(ServletUtilities.java:187)
at com.justep.chart.JustepChartHelper.executeChart(Unknown Source)
at com.justep.report.core.XReportChartHelper.executeChart(Unknown Source)
at com.justep.report.core.XReportHelper.a(Unknown Source)
at com.justep.report.core.XReportHelper.executeXReport(Unknown Source)
at com.justep.report.controller.ReportController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.controller.DataController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.controller.InitController.execute(Unknown Source)
at com.justep.report.controller.GenericControllerChain.execute(Unknown Source)
at com.justep.report.Servlet.a(Unknown Source)
at com.justep.report.Servlet.doPost(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:643)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterCha
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:861)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protoco
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
at java.lang.Thread.run(Thread.java:745) java.lang.UnsupportedOperationException: Method failed: HTTP/1.1 500 Internal Server Error
at com.justep.res.proxy.ResourceProxy.a(Unknown Source)
at com.justep.res.proxy.ResourceProxy.doPost(Unknown Source)
at com.justep.res.proxy.ResourceProxy.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:723)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterCha
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
at com.justep.portal.filter.RedirectFilter.doFilter(Unknown Source)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterCha
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)