关于Gradle使用内嵌Tomcat容器，并启用Debug模式进行调试

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build.gradle中buildScript脚本中添加classpath依赖：classpath ("com.bmuschko:gradle-tomcat-plugin:2.2.2")

webAppProjects.properties中添加tomcat依赖：

tomcat "org.apache.tomcat.embed:tomcat-embed-core:${tomcatVersion}",
"org.apache.tomcat.embed:tomcat-embed-logging-juli:${tomcatVersion}",
"org.apache.tomcat.embed:tomcat-embed-jasper:${tomcatVersion}"

tomcat {

httpPort = 8080
httpsPort = 8090
enableSSL = false
contextPath = 'gradcat-webapp'
users {
user {
username = 'admin'
password = 'admin'
roles = ['admin-gui', 'manager-gui']
}
}
}

完事以后.......继续：

方式一：gradle.properties文件中添加如下jvm参数：

org.gradle.jvmargs=-Xdebug -Xrunjdwp:transport=dt_socket,server=y,suspend=n,address=8877

或者

org.gradle.jvmargs=-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=7788

方式二：在javaGradle.properties文件中新建task

task tomcatDebug {
// Create a new task tomcatDebug, add a description and add it to the same group as tomcatRun
description "Starting Tomcat with debugger enabled on port 8787."
group "web application"
} << {

org.gradle.tooling.ProjectConnection conn = org.gradle.tooling.GradleConnector.newConnector()
.forProjectDirectory(new File("."))
.connect();

try {

org.gradle.tooling.model.build.BuildEnvironment env = conn.getModel(org.gradle.tooling.model.build.BuildEnvironment.class)
org.gradle.tooling.BuildLauncher build = conn.newBuild();

build.forTasks("tomcatRunWar")
// Enable debug via jvm arguments and append JVM arguments of the currently running vm (except -D).
build.setJvmArguments("-agentlib:jdwp=transport=dt_socket,server=y,suspend=n,address=8899", *env.java.jvmArguments)

// Run tomcatRun in the new JVM with debug parameters
build.run()

} finally {
conn.close();
}
}

最后：Eclipse中配置Attach端口，Eclipse》工具栏》Run》Debug Configurations》配置端口