Is UCX also supported in spark 3.1.2 with java 11

[KunwarAkanksha]

We are working on spark 3.1.2 with java version 11 , we don't wan tto degrade our cluster can somebody tell me if it will also work on java 11 with spark 3.1.2

[mtsol]

I tried with spark 3.1 and it didn't work, when I try with spark 3.0, it worked.

Can you tell me if I am doing anything wrong.