'Failed to download any source list - android SDK

I'm trying to download platform-tools from Sdk Manager. but when I run

C:\android-sdk\cmdline-tools\tools\bin>sdkmanager "platform-tools" "platforms;android-28"

the following warning errors are showing

Warning: Failed to download any source lists!
Warning: IO exception while downloading manifest
Warning: Still waiting for package manifests to be fetched remotely.
Warning: Failed to find package 'platform-tools'
[===                                    ] 10% Computing updates...

Im having java JDK 8 Help me to fix this.



Solution 1:[1]

I had this problem in my Linux machine, It has something to do with .android folder (Maybe due to previous installations) which is present in ANDROID_SDK_HOME path which usually is your user's folder. In Windows it is C:\Users\<User>\.android and in Linux it is /home/<user>/.android. After hit and trial, I have found that we can do either of the following to solve the issue:

  • Simply delete .android folder in the path

OR

  • set ANDROID_SDK_HOME path as another directory

and try to run the sdkmanager command again

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Kartoos