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I started a new project in android studio 3.0 beta 2 but just after build without doing anything in the project I get the following error:

Gradle sync failed: java.lang.AssertionError

and after retry this:

Error:Could not resolve all files for configuration ':app:debugCompileClasspath'. Could not resolve com.android.support:appcompat-v7:26.0.1. Required by: project :app Could not resolve com.android.support:appcompat-v7:26.0.1. Could not parse POM hxxps://dl.google.com/dl/android/maven2/com/android/support/appcompat-v7/26.0.1/appcompat-v7-26.0.1.pom Already seen doctype. Could not resolve com.android.support:appcompat-v7:26.0.1. Could not get resource 'hxxps://jcenter.bintray.com/com/android/support/appcompat-v7/26.0.1/appcompat-v7-26.0.1.pom'. Could not HEAD 'hxxps://jcenter.bintray.com/com/android/support/appcompat-v7/26.0.1/appcompat-v7-26.0.1.pom'. Connect to jcenter.bintray.com:443 [jcenter.bintray.com/75.126.118.188] failed: Connection timed out: connect Could not resolve com.android.support:design:26.0.1. Required by: project :app Could not resolve com.android.support:design:26.0.1. Could not parse POM hxxps://dl.google.com/dl/android/maven2/com/android/support/design/26.0.1/design-26.0.1.pom Already seen doctype. Could not resolve com.android.support:design:26.0.1. Could not get resource 'hxxps://jcenter.bintray.com/com/android/support/design/26.0.1/design-26.0.1.pom'. Could not HEAD 'hxxps://jcenter.bintray.com/com/android/support/design/26.0.1/design-26.0.1.pom'. Connect to jcenter.bintray.com:443 [jcenter.bintray.com/75.126.118.188] failed: Connection timed out: connect

I just downloaded Java. SDK and android studio are updated. and I tried every type of creating a new project, with empty activity, with min SDK 26 and ......

the funny thing is everything is fine in android studio 2.3.3 and I have no problem, also, I did the invalidate and restart and It doesn't work. clean project doesn't work either. sorry for my bad English :D

solve: Ok I checked with one of my friends and there was no problem in the android studio. I am in Iran which is banned by google, and I was using a proxy to connect to google but Apparently, Google checked my location and I Couldn't download some packages. all I had to do was connecting with VPN and my problem was gone.

Hooman Nemati
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  • this is not duplicate read my solve the problem is same but different cause. and because you don't have this problem in 99% of the world this answer is nowhere to find. – Hooman Nemati Nov 12 '17 at 09:38
  • you could've answered your own question (it's totally acceptable and looks better when searching) – Antek Dec 13 '17 at 10:29
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    Thanks for note but they closed it and I cant answer my question. – Hooman Nemati Dec 24 '17 at 14:45

0 Answers0