Question

我已经在Centos服务器上安装了tomcat 8.5.37，并在8081端口打开了服务器，但是却收到错误消息

UniqueId                               FriendlyName  SerialNumber CanPool OperationalStatus HealthStatus Usage       Size
--------                               ------------  ------------ ------- ----------------- ------------ -----       ----
{3b34bfc1-1022-11e9-9df0-806e6f6e6963} VBOX HARDDISK              True    OK                Healthy      Auto-Select 5 GB
{3b34bfc3-1022-11e9-9df0-806e6f6e6963} VBOX HARDDISK              True    OK                Healthy      Auto-Select 5 GB
{3b34bfc7-1022-11e9-9df0-806e6f6e6963} VBOX HARDDISK              True    OK                Healthy      Auto-Select 5 GB
{3b34bfcb-1022-11e9-9df0-806e6f6e6963} VBOX HARDDISK              True    OK                Healthy      Auto-Select 5 GB

和

 `Message java.lang.NoClassDefFoundError: Could not initialize class org.apache.jasper.compiler.EncodingDetector

Description The server encountered an unexpected condition that prevented it from fulfilling the request.

Exception

javax.servlet.ServletException: java.lang.NoClassDefFoundError: Could not initialize class org.apache.jasper.compiler.EncodingDetector
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:339)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
Root Cause

java.lang.NoClassDefFoundError: Could not initialize class org.apache.jasper.compiler.EncodingDetector
    org.apache.jasper.compiler.ParserController.determineSyntaxAndEncoding(ParserController.java:323)
    org.apache.jasper.compiler.ParserController.doParse(ParserController.java:200)
    org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:127)
    org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:197)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:373)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:350)
    org.apache.jasper.compiler.Compiler.compile(Compiler.java:334)
    org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:595)
    org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:399)
    org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:386)
    org.apache.jasper.servlet.JspServlet.service(JspServlet.java:330)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
    org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)

我提供了tomcat权限，并检查了安装是否一切正常。我是Centos的新手，所以不确定哪里出了问题

java.lang.NoClassDefFoundError：无法初始化类org.apache.jasper.compiler.EncodingDetector

0 个答案: