jfreechart在WINDOW下可以正常显示,换到linux下就出现这样的错误,我也查了点解决方法
Re: 生成认证图片的问题(Linux上 Can't connect to X11 window server)  提交时间: Jul 21, 2005 12:03:22 PM  加3分   引用  回复    发消息  
 这个是jdk的原因,-Djava.awt.headless=true这个参数是在jdk1.4.1以后才引入的,你可以参考文档:http://java.sun.com/products/java-media/2D/forDevelopers/java2dfaq.html#xvfb有三个解决方案:1)升级jdk到jdk1.4.1以上,但是weblogic server 7.0只认证了jdk1.3,所以不能保证一定能用jdk1.4.1,这个做法风险比较大。2)或者你可以用上面文档提到的替代解决方案:sun provides a workaround to resolve the issue for jdk version prior to jdk 1.4.1. pls download an Xvfb ("pseudo X-server") to emulate XWindows3)还有一个最后的替代方案:http://www.eteks.com/pja/en/   Pls download a pja (Pure Java AWT) to replace the sun awt component 
 
不知道哪个可行?

解决方案 »

  1.   

    现在又出现
    HTTP Status 500 - --------------------------------------------------------------------------------type Exception reportmessage description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:254)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
    at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2422)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
    at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:163)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
    at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:199)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:700)
    at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:584)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
    at java.lang.Thread.run(Thread.java:534)
    root cause javax.servlet.ServletException
    at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:536)
    at org.apache.jsp.imiplistpic_jsp._jspService(imiplistpic_jsp.java:450)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:137)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:210)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:256)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
    at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2422)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
    at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:171)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:163)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
    at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
    at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:199)
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:828)
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:700)
    at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:584)
    at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)
    at java.lang.Thread.run(Thread.java:534)--------------------------------------------------------------------------------Apache Tomcat/4.1.30