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.