Tomcat 源码环境搭建

Tomcat 源码搭建

下载源码

下载地址 ：https://tomcat.apache.org/download-80.cgi#8.5.35

• 下载之后解压缩

导入Idea

添加pom.xml文件

<?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>apache-tomcat-8.5.70-src</artifactId>
    <name>Tomcat8.5</name>
    <version>8.5</version>

    <build>
        <finalName>Tomcat8.5</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>1.8</source>
                    <target>1.8</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
        <dependency>
            <groupId>org.easymock</groupId>
            <artifactId>easymock</artifactId>
            <version>3.4</version>
        </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>4.5.1</version>
        </dependency>

    </dependencies>
</project>

启动源码

• 主启动类即main方法，路径：tomcat_original\apache-tomcat-8.5.55-src\java\org\apache\catalina\startup\Bootstrap.java

直接启动main方法控制台会报错，且显示中文乱码

修改配置

需要我们配置启动类

-Dcatalina.home=D:/original/apache-tomcat-8.5.70-src
-Dcatalina.base=D:/original/apache-tomcat-8.5.70-src
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
-Djava.util.logging.config.file=D:/original/apache-tomcat-8.5.70-src/conf/logging.properties
-Duser.language=en
-Duser.region=US
-Dfile.encoding=UTF-8

改完设置后成功启动

打开浏览器输入： http://localhost:8080/

我们需要配置

• org.apache.jasper.servlet.JasperInitializer：
  
  在tomcat的源码org.apache.catalina.startup.ContextConfig中的configureStart函数中手动将JSP解析器初始化：
  
  context.addServletContainerInitializer(new JasperInitializer(), null);

成功配置！！！

參考自 https://blog.csdn.net/xuan_lu/article/details/106314487