在网上找了一些调试springboot 的文章,使用内置tomacat步骤大体都是如下步骤
1.配置插件:
<configuration>
<jvmArguments>
-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=y,address=5005
</jvmArguments>
</configuration>
2.启动maven命令:clean install -Ptest -X spring-boot:run
3.开调试
右击项目–>选择debug as–>Debug Configuration–>Remote Java Application
配置地址和端口号 localhost 5005
我按照此方法总是不行,所以换成了使用外部tomcat调试springboot的方案
(1) 新建-》Other->搜索maven 如下图

(2) 下一步

(3) 输入名称

(4) 点击完成
(5) 修改pom.xml,添加对springboot 的引用
如下内容:


<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>com.spboot.tomcat.pomdemo</groupId>
<artifactId>tomcattest</artifactId>
<packaging>war</packaging>
<version>0.0.1-SNAPSHOT</version>
<name>tomcattest Maven Webapp</name>
<url>http://maven.apache.org</url>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.7.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
<exclusions>
<exclusion>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
<finalName>tomcattest</finalName>
</build>
</project>
(6)创建mainApplication
如下内容


package com.tomcat.demo;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.SpringBootConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;
@SpringBootConfiguration
@Controller()
@SpringBootApplication
public class mainApplication extends SpringBootServletInitializer{
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder builder) {
return builder.sources(mainApplication.class);
}
public static void main(String[] args) throws Exception {
System.out.println("starting........................................................");
// SpringApplication.run(bootApplication.class, args);
SpringApplication alApplication = new SpringApplication(mainApplication.class);
//alApplication.setBannerMode(Mode.OFF);
alApplication.run(args);
}
@RequestMapping("/hello")
@ResponseBody
public String Hello() {
return "1";
}
}
7引入tomcat,打开官网,下载tomcat-9

8.tomcat添加到myeclipse,windows->preferences



9运行调试,选择tomcat9作为server



10访问地址http://localhost:8080/tomcattest/hello 发现断点已经进来了

来源:oschina
链接:https://my.oschina.net/u/4284321/blog/4313389