@Nikhil-Kumar it seems to me like a javascript/Promise (miss)handling in the code. Using "return" directly won't wait for the Promise to complete. Using Promise's "resolve" is the right way to return a response. Please also make sure that your action returns a Promise. If it doesn't return a Promise...
I solved this problem without using the "-XX:UseSplitVerifier" workaround. I noticed that SCR is the one that caused problems b/c I was using an older version compiled probably only with 1.6.My working version as of today uses: <dependency> <groupId>org.apache.felix</groupId>...