错误：任务＆＃39;：app：compileDebugJavaWithJavac＆＃39;执行失败。＆gt;编译失败;请参阅编译器错误输出以获取详细信

Question

apply plugin:'com.android.application'
android {
compileSdkVersion 25
buildToolsVersion "25.0.2"
defaultConfig {
    multiDexEnabled true
    applicationId "com.tubbs.citychurchob"
    minSdkVersion 22
    targetSdkVersion 25
    versionCode 1
    versionName "1.0"
}
android.support.test.runner.AndroidJUnitRunner
buildTypes{
    release {
        minifyEnabled false
        proguardFiles getDefaultProguardFile('proguard-android.txt'),'proguard-rules.pro'
        }
    }
}
dependencies {
    compile fileTree(dir:'libs', include:['*.jar'])

    compile 'com.android.support:appcompat-v7:25.3.1'

    compile 'com.firebaseui:firebase-ui:0.4.2'
    compile 'com.google.firebase:firebase-database:10.0.1'
}

如何解决此错误 请问我..... 我正在使用Android studio 2.3.1