JfreeChart在Jbuilder中绘图正常,发布到Tomcat中就不正常了?
jbuilder2006 jdk1.5.0_03-b07环境
启动barInterface服务后,在jbuilder调试环境中,jfreechart画图正常。
把web打包(include所有包),发布到tomcat5.5.15中,jfreechart画图出错:
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
java.lang.NullPointerException
sun.awt.FontConfiguration.getVersion(FontConfiguration.java:1170)
sun.awt.FontConfiguration.readFontConfigFile(FontConfiguration.java:147)
sun.awt.FontConfiguration.<init>(FontConfiguration.java:72)
sun.awt.windows.WFontConfiguration.<init>(WFontConfiguration.java:24)
sun.awt.Win32GraphicsEnvironment.createFontConfiguration(Win32GraphicsEnvironment.java:291)
sun.java2d.SunGraphicsEnvironment$1.run(SunGraphicsEnvironment.java:186)
java.security.AccessController.doPrivileged(Native Method)
sun.java2d.SunGraphicsEnvironment.<init>(SunGraphicsEnvironment.java:94)
sun.awt.Win32GraphicsEnvironment.<init>(Win32GraphicsEnvironment.java:73)
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
java.lang.reflect.Constructor.newInstance(Constructor.java:494)
java.lang.Class.newInstance0(Class.java:350)
java.lang.Class.newInstance(Class.java:303)
java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1141)
org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1249)
org.jfree.chart.JFreeChart.createBufferedImage(JFreeChart.java:1229)
org.jfree.chart.ChartUtilities.writeChartAsJPEG(ChartUtilities.java:473)
com.huiyuan.others.DrawChart.doGet(DrawChart.java:194)
com.huiyuan.others.DrawChart.doPost(DrawChart.java:203)
javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.15 logs.