Problem while Migrating from java 8 to 11

Question

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile (default-compile) on project intellectics-exception: Compilation failure
[ERROR] javac: release version 11 not supported.

I have tried every possible solution from google but i am still getting this problem.
what would be the possible solution for this.