问题：使用的人人开源的框架，linux下部署java程序验证码显示不了提示2个错误：

错误1：./usr/java/jdk1.7.0_67/bin/unpack200: error while loading shared libraries: libgcc_s.so.1: cannot open shared object file: No such file or directory
错误2：.could not initialise class sun.awt.X11FontManager

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2019-03-26 19:01:08.230 ERROR 49781 --- [nio-8081-exec-1] i.r.common.exception.RRExceptionHandler  : Handler dispatch failed; nested exception is java.lang.UnsatisfiedLinkError: /app/jgyapp/java/jdk1.8.0_191/jre/lib/i386/libfontmanager.so: libgcc_s.so.1: cannot open shared object file: No such file or directory

org.springframework.web.util.NestedServletException: Handler dispatch failed; nested exception is java.lang.UnsatisfiedLinkError: /app/jgyapp/java/jdk1.8.0_191/jre/lib/i386/libfontmanager.so: libgcc_s.so.1: cannot open shared object file: No such file or directory
        at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1006)
        at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925)
        at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974)
        at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:687)
        at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166)
        at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:112)
        at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
        at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterCh

解决办法：
1.安装so缺少的库
安装缺失的文件: yum install libgcc_s.so.1
参考：https://blog.csdn.net/fly0496/article/details/38559545
2.安装字体
解决方案：

yum grouplist

然后找到 Fonts

yum groupinstall Fonts

装完后，再重启一下刷新，结果还是没有解决，其中提示一个JDK中的目录下没有一个 **.so的东西，这时候直接再次装这个东西

yum install **.so

最后重启服务，验证码出现了！