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Question Unsupported class file major version 65: SOLVED

Joined
Mar 28, 2024
Messages
3
After folowing the tutorial by party: Development: Project Setup
and Reloading All Gradle Projects i got folowing Exception: Unsupported class file major version 65.

Googling this tells me that it is caused by a mismatch in the java version but as for as i can see they are all configured under 17.

Does anyone have some suggestions for me to fix this?

Thanks in advance

Update: after searching the discord server it appear to be a issue with gradle version? however i cant seem to find the option to change it in intellj. Manuelly installing gradle 8.7 doesnt seem to do anything.

Some info + screens:
Java -version
1721223231047.png

1721223283719.png
1721223356430.png

1721223447382.png

1721223495427.png
 
Last edited:
Joined
Jun 9, 2015
Messages
3,733
You need to change the gradle version in your gradle properties file (its in the /gradle/ folder)

distributionUrl=https\://services.gradle.org/distributions/gradle-8.7-bin.zip
 
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