刚刚在一台Linux服务器上安装了jdk和Tomcat,然后部署了一个web项目,在项目中有个添加图片的功能,保存图片时报错 org.springframework.web.util.NestedServletException: Handler processing failed; nested exception is java.lang.NoClassDefFoundError: Could not initialize class javax.imageio.ImageIO 和 org.…
运行 时候爆出这个错 Exception in thread "main" java.io.IOException: java.net.ConnectException: Call From hadoop.slave01/192.168.121.133 to 0.0.0.0:10020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see:…
tomcat工程中创建二维码失败.抛出异常Can't connect to X11 window server using 'localhost:10.0' as the value of th 因为在linux系统中,创建图形画布失败.linux系统图形控件未启动导致的. 解决方法: java启动参数中添加 -Djava.awt.headless=true / 编辑tomcat目录下的bin/catalina.sh文件, 类似: exec "$_RUNJDB" "$LOGG…