急，这段gradle代码哪里出问题了？

[cnaaa8]

这里可以复制文件，但是就是无法把java文件编译成class文件，也就是说compilesingle这个task失效了

import groovy.json.JsonSlurper
//apply plugin: 'application'

configurations {
    buildDependencies
}

dependencies {
    buildDependencies "com.google.code.gson:gson:2.3.1"
    //implementation fileTree(dir: 'libs', include: ['*.class'])
}

def cleanCache(){
    println("cleanCache start");
    def jsonFile = file('./2.txt')
    jsonFile.delete()
    delete("./bin")
}



task cpConfigRF{

    doLast{
        //cleanCache()
        copy {
            from "D:\\WorkSpace\\AndroidProject\\test_pd\\app\\build\\generated\\source\\buildConfig\\debug\\com\\test\\pd\\BuildConfig.java";
            println("copyConfigR");
            into "./bin/com/test/pd"
        }
    }

    doLast{
        copy {
            from "D:\\WorkSpace\\AndroidProject\\test_pd\\app\\src\\main\\java\\com\\test\\pd\\constant\\ServiceConstant.java";
            println("copyConfigR 22");
            into "./bin/com/test/pd/constant"
        }

    }

    doLast{
        copy {
            from "D:\\WorkSpace\\AndroidProject\\test_pd\\gradleUtils\\checkAppInfo";
            println("copyConfigR 33");
            into "./bin/com/test/pd"
        }

    }


}




task compilesingle(type:JavaCompile)  {
    dependsOn cpConfigRF
    doLast{
        println("compilesingle");
        source = './bin'
        include ("com/test/pd")
        classpath =files(project.configurations.buildDependencies )
        destinationDir = file('./bin')
    }


}

task execlass {
    dependsOn compilesingle
    doLast{
        javaexec {
            println("execlass");
            classpath = files('./bin', project.configurations.buildDependencies)
            main = 'com.test.pd.PackCheckApp'

        }
    }
}



task finiskTask(){
    dependsOn execlass
    doLast{
        overFinish()
    }
}

def overFinish(){
    println("overFinish");
    String reactVersion
    def jsonFile = file('./2.txt')
    def json = new JsonSlurper().parseText(jsonFile.text)

    println "getReactNativeVersion = " + json[0]['age']

    if(json[0]['age']==0){

        //cleanCache()
        //System.exit(0)
    }
}


this.afterEvaluate {
    tasks.matching {
        // 以process开头以ReleaseJavaRes或DebugJavaRes结尾的task
        it.name.equals("compileDebugSources") && it.project.name.equals("app")
    }.each { task ->
        //task.dependsOn(cpConfigRF,cpSing,compilesingle,execlass)  // 任务依赖：执行task之前需要执行dependsOn指定的任务
        //2,3,1,4
        task.dependsOn(finiskTask)
        //task.dependsOn(cpSing,compilesingle,cpConfigRF,execlass)
        //task.dependsOn(execlass,compilesingle,cpSing,cpConfigRF)
        //task.dependsOn(execlass)
    }

}