Cause: invalid source release: 11

Nabeel2 years ago

Cause: invalid source release: 11
Error Occured when i run backend

Anton Tananaev2 years ago

Probably wrong Java version.

Nabeel2 years ago

which version is suitable?

Anton Tananaev2 years ago

Java 11 or higher.

Nabeel2 years ago

my java version "18.0.2.1" 2022-08-18

Anton Tananaev2 years ago

Are you using the official release? Or you're building from the source code?

Nabeel2 years ago

YES I AM USING OFFICIAL RELEASE

mc2 years ago

Trying to build from scratch downloaded latest source code, I have invalid source release: 11 error I followed the instructions on https://www.traccar.org/build-in-intellij-idea/
all settings looks Ok, I am sure I missed important step java version jdk 1.8.0_202 , tried also 1.7 and 1.8.0.2.1

Anton Tananaev2 years ago

Java versions 7 or 8 are not compatible. You have to use at the very least 11.

mc2 years ago

Using :

IntelliJ IDEA 2023.1.2 (Community Edition)
Build #IC-231.9011.34, built on May 16, 2023
Runtime version: 17.0.6+10-b829.9 amd64
VM: OpenJDK 64-Bit Server VM by JetBrains s.r.o.
Windows 10.0
GC: G1 Young Generation, G1 Old Generation
Memory: 750M
Cores: 8

Kotlin: 231-1.8.21-IJ9011.34

mc2 years ago

installed jdk 11 , still same Cause: invalid source release: 11