React Native error: "Could not determine java version from '9.0.1'."

In your PROJECT_PATH/android/gradle/wrapper/gradle-wrapper.properties file, update your distributionUrl to the following:

distributionUrl=https\://services.gradle.org/distributions/gradle-5.0-all.zip

See related gradle distributions documentation

Really the fastest way to get around this error is to use JDK 8. Except when you really need to use JDK9.

http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Don't forget to change your enviroment variable JAVA_HOME to the new JDK version!

Make sure that you have JDK8 installed and then set JAVA_HOME into JDK8

for example:

export JAVA_HOME=/Library/Java/JavaVirtualMachines/jdk1.8.0_151.jdk/Contents/Home

or use .bash_* files to set this variable

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