Hi, I am using Kotlin Multiplatform to build iOS/Android App. Recently I just updated to Gradle 8.0.0 due update of AndroidStudio from Electric Eel to Flamingo. Starting the iOS Project from AndroidStudio is working fine. Right now I do have a problem to run my iOS Project from Xcode (14.3). Building the ios framework fails with: "Android Gradle plugin requires Java 17 to run. You are currently using Java 11. ... Your current JDK is located in /Library/Java/JavaVirtualMachines/amazon-corretto-11.jdk/Contents/Home". I do not understand why XCode has a different JDK. In my .zshr file its defined like: export JAVA_HOME=/Applications/Android\ Studio.app/Contents/jbr/Contents/Home and if I check ./gradlew -v it says: Gradle 8.0 ------------------------------------------------------------ Build time: 2023-02-13 13:15:21 UTC Revision: 62ab9b7c7f884426cf79fbedcf07658b2dbe9e97 Kotlin: 1.8.10 Groovy: 3.0.13 Ant: Apache Ant(TM) version 1.10.11 compiled on July 10 2021 JVM: 17.0.6 (JetBrains s.r.o. 17.0.6+0-17.0.6b802.4-9586694) OS: Mac OS X 13.0.1 aarch64 Why is gradle using a differnt JDK while running from xCode?

You need to set your system jvm to the right version. It's best to not do it in gradle.properties. It works in AS, since AS uses its own jvm.

And how do I set my system jvm to the right version? I thought exporting my JAVA_HOME via .zshrc like this "JAVA_HOME=/Applications/Android\ Studio.app/Contents/jbr/Contents/Home" would help but didn't. What helped was to download&install java via https://www.java.com/en/download/

Is this macos? If so, there's /usr/bin/java_home or something like that.

yes, macos

Use the java_home executable. It was either in /usr/bin or /usr/lib. It can detect and choose java versions.

I do not understand completely. On MacOs I open a terminal/shell. When I enter "which java" it displays "/usr/bin/java". "java -v" then displays:

openjdk version "17.0.6" 2023-01-17
OpenJDK Runtime Environment (build 17.0.6+0-17.0.6b802.4-9586694)
OpenJDK 64-Bit Server VM (build 17.0.6+0-17.0.6b802.4-9586694, mixed mode)

After deinstall of amazon-coretto-jdk 11. The shell command "/usr/libexec/java_home -V" did not display anything. After I installed Java again from java.com the shell command now displays:

Matching Java Virtual Machines (1):
    1.8.371.11 (x86_64) "Oracle Corporation" - "Java" /Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home
/Library/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home

After I installed it, XCode was able to build my iosApp again. So I don't understand whats the difference between these two?

/usr/bin/java is just a symlink. It points to the actual selected jvm. Install another jvm (I use homebrew for this), then select it with java_home

but why does "/usr/libexec/java_home -V" only lists one jdk? I would expect that also the "openjdk version 17.0.6" should be listed

It may not be installed in the right place. It only checks a specific JavaVirtualMachines folder.

ok, thanks for your help!