Не удается синхронизировать c проект

Question

У меня довольно странная ошибка:

A problem occurred configuring root project 'ExoPlayerTest'.
> Could not resolve all artifacts for configuration ':classpath'.
   > Could not resolve com.android.tools.build:gradle:3.6.1.
     Required by:
         project :
      > Could not resolve com.android.tools.build:gradle:3.6.1.
         > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.6.1/gradle-3.6.1.pom'.
            > Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.6.1/gradle-3.6.1.pom'.
               > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
      > Could not resolve com.android.tools.build:gradle:3.6.1.
         > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.6.1/gradle-3.6.1.pom'.
            > Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle/3.6.1/gradle-3.6.1.pom'.
               > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
      > Could not resolve com.android.tools.build:gradle:3.6.1.
         > Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.6.1/gradle-3.6.1.pom'.
            > Could not GET 'https://jcenter.bintray.com/com/android/tools/build/gradle/3.6.1/gradle-3.6.1.pom'.
               > Remote host closed connection during handshake
   > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.71.
     Required by:
         project :
      > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.71.
         > Could not get resource 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin/1.3.71/kotlin-gradle-plugin-1.3.71.pom'.
            > Could not GET 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin/1.3.71/kotlin-gradle-plugin-1.3.71.pom'.
               > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
      > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.71.
         > Could not get resource 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin/1.3.71/kotlin-gradle-plugin-1.3.71.pom'.
            > Could not GET 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-gradle-plugin/1.3.71/kotlin-gradle-plugin-1.3.71.pom'.
               > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
      > Could not resolve org.jetbrains.kotlin:kotlin-gradle-plugin:1.3.71.
         > Could not get resource 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-gradle-plugin/1.3.71/kotlin-gradle-plugin-1.3.71.pom'.
            > Could not GET 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-gradle-plugin/1.3.71/kotlin-gradle-plugin-1.3.71.pom'.
               > Remote host closed connection during handshake

Я не могу синхронизировать c любой проект в моей системе из 2 разных версий Android Studio. Похоже, он не может подключиться к репозиториям, в то время как у меня есть inte rnet соединение.

Answer 1

В конфигурационном файле /home//.gradle были прокси-свойства. После удаления они начали работать нормально.