在用Android StudioBuild项目时，提示：Could not resolve all files for configuration ':classpath'.Could not find com.android.tools.
Error:Gradle: A problem occurred configuring root project 'MyApplication'.
> Could not resolve all files for configuration ':classpath'.
> Could not find com.android.tools.build:gradle:3.0.0.
Searched in the following locations:
https://jcenter.bintray.com/com/android/tools/build/gradle/3.0.0/gradle-3.0.0.pom
https://jcenter.bintray.com/com/android/tools/build/gradle/3.0.0/gradle-3.0.0.jar
Required by:
project :
解决办法：
修改Project的build.gradle（注意：不是App的build.gradle），两处加上google()，如下所示：
buildscript {
repositories {
jcenter()
google()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.0.0'
}
}
allprojects {
repositories {
jcenter()
google()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}
利用tomcat运行jsp文件时，出现错误Unrecognized option: --add-opens=java.base/java.lang=ALL-UNNAMED Error: Could n
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DexArchiveMergerException,Could not resolve all files for configuration,Failed to resolve: com.githu
这就是你的build.gradle (app) 里面依赖的问题，好好看看你的修改，实在不行，会退下代码看
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