Could not resolve all files for configuration ':classpath'

user_6642958 0
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i am developing sample application in react-native , i faced this issue when i was run- android emulator my sdk tool version is 25 , but i don't know how it is getting this issue please let me suggestion.

> Could not resolve all files for configuration ':classpath'.
   > Could not resolve com.android.tools.build:gradle:3.1.0.
     Required by:
         project :
      > Could not resolve com.android.tools.build:gradle:3.1.0.
         > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.1.0/gradle-3.1.0.pom'.
            > org.apache.http.ssl.SSLInitializationException: \Library\Java\Home\jre\lib\security\cacerts (The system cannot find the path specified)
      > Could not resolve com.android.tools.build:gradle:3.1.0.
         > Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.1.0/gradle-3.1.0.pom'.
            > org.apache.http.ssl.SSLInitializationException: \Library\Java\Home\jre\lib\security\cacerts (The system cannot find the path specified)
   > Could not resolve com.google.gms:google-services:3.2.0.
     Required by:
         project :
      > Could not resolve com.google.gms:google-services:3.2.0.
         > Could not get resource 'https://dl.google.com/dl/android/maven2/com/google/gms/google-services/3.2.0/google-services-3.2.0.pom'.
            > org.apache.http.ssl.SSLInitializationException: \Library\Java\Home\jre\lib\security\cacerts (The system cannot find the path specified)
      > Could not resolve com.google.gms:google-services:3.2.0.
         > Could not get resource 'https://jcenter.bintray.com/com/google/gms/google-services/3.2.0/google-services-3.2.0.pom'.
            > org.apache.http.ssl.SSLInitializationException: \Library\Java\Home\jre\lib\security\cacerts (The system cannot find the path specified)

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react-native android
3 Answers

Your project can not access the urls to download the necessary libraries. This is most probably a gradle configuration issue.

Change your Project level build.gradle file like this:

buildscript {
repositories {

    google()
   jcenter()
}

dependencies {
    classpath 'com.android.tools.build:gradle:3.2.1'  
}

}

Update

If it doesn't work, try this too:

  repositories {
        jcenter()
        maven { url 'https://maven.google.com' }
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:3.0.0-alpha2'
        ...
    }
}

allprojects {
    repositories {
        jcenter()
        maven { url 'https://maven.google.com' }
    }
}
user_66884930

Try Using 

classpath 'com.android.tools.build:gradle:3.0.1'

and then clean and rebuild.

user_108393660

File > Invalidate cache and restart It works for me!!

user_41980990
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