Android 29 jar Gradle sync failed

[jonesjing]

Gradle sync failed: Could not resolve all files for configuration ':app:androidApis'.
Failed to transform android.jar to match attributes {artifactType=android-mockable-jar, org.gradle.libraryelements=jar, org.gradle.usage=java-runtime, returnDefaultValues=false}.
Execution failed for MockableJarTransform: /Users/jing/Library/Android/sdk/platforms/android-29/android.jar.
Cannot create mockable android.jar
error in opening zip file
Consult IDE log for more details (Help | Show Log) (1 m 26 s 566 ms)

[bobpf]

I get the same issue

[vindastar]

I get the same issue !

[vindastar]

I get the same issue

me too.

[LEORChn]

I found the problem! you get this error because the actually jar file is inside the outer "jar" file. the outer one in fact is RAR5, you need to uncompress the inside one to use it.