JSP 与分布式链路追踪系统集成示例
随着互联网技术的飞速发展，分布式系统已经成为现代应用架构的主流。分布式系统中的服务往往分布在不同的服务器上，这使得服务之间的调用变得复杂。为了更好地监控和调试分布式系统，链路追踪技术应运而生。本文将围绕JSP（Java Server Pages）语言，探讨如何将分布式链路追踪系统集成到JSP应用中，并通过一个示例来展示其实现过程。
JSP 简介
JSP 是一种动态网页技术，它允许开发者在 HTML 页面中嵌入 Java 代码。JSP 页面由 HTML 标签和 JSP 标签组成，JSP 标签用于在页面中嵌入 Java 代码。当请求 JSP 页面时，服务器会自动将 JSP 页面转换为 Servlet，然后执行其中的 Java 代码，最后将结果输出为 HTML 页面。
分布式链路追踪简介
分布式链路追踪是一种用于监控分布式系统中服务调用链路的技术。它能够记录请求在分布式系统中的传播路径，包括服务的调用顺序、执行时间、异常信息等。常见的链路追踪系统有 Zipkin、Jaeger 等。
JSP 与分布式链路追踪系统集成
要将分布式链路追踪系统集成到 JSP 应用中，通常需要以下步骤：
1. 选择合适的链路追踪系统。
2. 在应用中集成链路追踪客户端。
3. 在 JSP 页面中添加链路追踪代码。
4. 配置链路追踪系统。
1. 选择合适的链路追踪系统
本文以 Zipkin 为例，介绍如何将其集成到 JSP 应用中。Zipkin 是一个开源的分布式追踪系统，它能够收集、存储和展示分布式系统的链路追踪数据。
2. 在应用中集成链路追踪客户端
需要在项目中添加 Zipkin 客户端依赖。以下是一个使用 Maven 管理依赖的示例：
xml
<dependencies>
<!-- Zipkin 客户端依赖 -->
<dependency>
<groupId>io.zipkin.java</groupId>
<artifactId>zipkin</artifactId>
<version>2.12.9</version>
</dependency>
<!-- 其他依赖 -->
</dependencies>
3. 在 JSP 页面中添加链路追踪代码
在 JSP 页面中，我们需要添加链路追踪的初始化代码。以下是一个示例：
```jsp
<%@ page import="io.zipkin.reporter.core.ZipkinSpan" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractor" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContext" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanAndContextImpl" %>
<%@ page import="io.zipkin.reporter.servlet.SpanExtractorImpl" %>
<%@ page import="io.zipkin.reporter.servlet
Comments NOTHING