Can‘t connect to X11 window server using ‘localhost:25.0‘ as the value of the DISPLAY variable_can't connect to xll window server using-优快云博客

本文链接：https://blog.youkuaiyun.com/l752820681/article/details/116520148

在尝试部署项目到Tomcat时遇到错误，问题在于无法使用'localhost:25.0'连接X11窗口服务器。这可能是由于缺少相应的图形环境支持，解决方案是在启动脚本中设置JAVA_OPTS为-Djava.awt.headless=true，以启用无头模式。

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Can’t connect to X11 window server using ‘localhost:25.0’ as the value of the DISPLAY variable

Caused by: java.lang.NoClassDefFoundError: Could not initialize class sun.awt.X11GraphicsEnvironment
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:264)
        at java.awt.GraphicsEnvironment.createGE(GraphicsEnvironment.java:103)
        at java.awt.GraphicsEnvironment.getLocalGraphicsEnvironment(GraphicsEnvironment.java:82)
        at com.bstek.ureport.export.pdf.font.FontBuilder.setApplicationContext(FontBuilder.java:110)
        at org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:121)
        at org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:97)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:407)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1622)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553)
        ... 24 more