Tomcat源码解析(一)下载源码与导入eclipse

2015-08-09 12:04

     自从写web程序以来,web程序是如何在Tomcat中运行的一直困惑着我,不知道底层的运行机制是无法真正理解web的,所以就开始研究Tomcat源码,Tomcat是一个轻量级的java服务器,再结合《How Tomcat works》和网上大牛博客之后,也算知道了内部的运行架构。

    首先去官网下载Tomcat源码,我下载的是apache-tomcat-7.0.63-src(在这里下载),因为源码使用ant和maven管理的,所以要用ant或者maven编译为eclipse工程。ant方法编译时有好多错误,又麻烦,所以这里介绍用maven将其编译。

    首先将下载的apache-tomcat-7.0.50-src.tar.gz解压到tomcat目录中,然后在tomcat目录中创建一个pom.xml文件,内容如下:

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">

    <modelVersion>4.0.0</modelVersion>
    <groupId>net.imtiger</groupId>
    <artifactId>tomcat-study</artifactId>
    <name>Tomcat 7.0 Study</name>
    <version>1.0</version>
    <packaging>pom</packaging>

    <modules>
        <module>apache-tomcat-7.0.63-src</module>
    </modules>
</project>
然后在apache-tomcat-7.0.63-src 目录下创建一个 pom.xml 文件,内容如下:


<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">


    <modelVersion>4.0.0</modelVersion>
    <groupId>org.apache.tomcat</groupId>
    <artifactId>Tomcat7.0</artifactId>
    <name>Tomcat7.0</name>
    <version>7.0</version>

    <build>
        <finalName>Tomcat7.0</finalName>
        <sourceDirectory>java</sourceDirectory>
        <testSourceDirectory>test</testSourceDirectory>
        <resources>
            <resource>
                <directory>java</directory>
            </resource>
        </resources>
        <testResources>
            <testResource>
                <directory>test</directory>
            </testResource>
        </testResources>
        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3</version>

                <configuration>
                    <encoding>UTF-8</encoding>
                    <source>1.6</source>
                    <target>1.6</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.4</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>ant</groupId>
            <artifactId>ant</artifactId>
            <version>1.7.0</version>
        </dependency>
        <dependency>
            <groupId>wsdl4j</groupId>
            <artifactId>wsdl4j</artifactId>
            <version>1.6.2</version>
        </dependency>
        <dependency>
            <groupId>javax.xml</groupId>
            <artifactId>jaxrpc</artifactId>
            <version>1.1</version>
        </dependency>
        <dependency>
            <groupId>org.eclipse.jdt.core.compiler</groupId>
            <artifactId>ecj</artifactId>
            <version>4.2.2</version>
        </dependency>
    </dependencies>
</project>
最后,在 tomcat 目录下执行 mvn eclipse:eclipse 生成Eclipse工程,导入进去即可.

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