Debian JSP如何进行错误处理与调试
导读:在Debian系统上进行JSP(JavaServer Pages)的错误处理和调试,可以遵循以下步骤: 1. 配置Tomcat服务器 首先,确保你已经在Debian上安装并配置了Tomcat服务器。Tomcat是常用的JSP容器。 安装To...
在Debian系统上进行JSP(JavaServer Pages)的错误处理和调试,可以遵循以下步骤:
1. 配置Tomcat服务器
首先,确保你已经在Debian上安装并配置了Tomcat服务器。Tomcat是常用的JSP容器。
安装Tomcat
sudo apt update
sudo apt install tomcat9
启动Tomcat
sudo systemctl start tomcat9
sudo systemctl enable tomcat9
2. 配置错误页面
在Tomcat中,你可以配置自定义错误页面来处理特定的HTTP错误状态码。
编辑web.xml
找到你的Web应用程序的web.xml文件,通常位于/var/lib/tomcat9/webapps/your-app/WEB-INF/目录下。
<
error-page>
<
error-code>
404<
/error-code>
<
location>
/error404.jsp<
/location>
<
/error-page>
<
error-page>
<
error-code>
500<
/error-code>
<
location>
/error500.jsp<
/location>
<
/error-page>
3. 创建错误页面
在Web应用程序的/WEB-INF/目录下创建相应的错误页面文件,例如error404.jsp和error500.jsp。
<
!-- error404.jsp -->
<
%@ page contentType="text/html;
charset=UTF-8" language="java" %>
<
html>
<
head>
<
title>
Page Not Found<
/title>
<
/head>
<
body>
<
h1>
404 - Page Not Found<
/h1>
<
p>
The page you are looking for does not exist.<
/p>
<
/body>
<
/html>
<
!-- error500.jsp -->
<
%@ page contentType="text/html;
charset=UTF-8" language="java" %>
<
html>
<
head>
<
title>
Internal Server Error<
/title>
<
/head>
<
body>
<
h1>
500 - Internal Server Error<
/h1>
<
p>
An unexpected error occurred on the server.<
/p>
<
/body>
<
/html>
4. 调试JSP页面
启用JSP调试
在Tomcat的conf/context.xml文件中启用JSP调试。
<
Context>
<
Resources className="org.apache.naming.resources.FileDirContext"
extraResourcePaths="/WEB-INF/classes=/WEB-INF/lib"
cachingAllowed="true"
cacheMaxSize="102400"
cacheTTL="60000"
cacheTTLUnits="milliseconds"
cacheMaxSizePerClassloader="102400"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
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cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClassloader="milliseconds"
cacheTTLUnitsPerClass
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