【发布时间】：2014-12-05 17:14:16
【问题描述】：
我正在尝试使用 simplecaptcha-1.2.1.jar。它抛出异常。 rt.jar 有 sun.awt.X11GraphicsEnvironment 类。
simplecaptcha-1.2.1.jar 在 Windows 平台（服务器 Weblogic）上运行良好。
java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:68)
at java.awt.image.BufferedImage.createGraphics(BufferedImage.java:1135)
at nl.captcha.text.renderer.DefaultWordRenderer.render(DefaultWordRenderer.java:53)
at nl.captcha.Captcha$Builder.addText(Captcha.java:136)
at nl.captcha.Captcha$Builder.addText(Captcha.java:121)
at nl.captcha.Captcha$Builder.addText(Captcha.java:111)
at nl.captcha.servlet.SimpleCaptchaServlet.doGet(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)
at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:398)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:277)
at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:255)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:187)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:586)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:556)
at com.sun.webserver.connector.nsapi.NSAPIProcessor.service(NSAPIProcessor.java:160)
其他细节：
- 服务器：iPlanet
- Java 版本 jdk 1.6
- 操作系统：Linux
【问题讨论】：
标签： java linux simplecaptcha iplanet