1. Findbugs finding fixed.
2. CallId is no longer leaking from the registerInvocation() - removed
Merge pull request #3215 from jerrinot/fix/findbugs-deadStoreCallId/master

Findbugs finding fixed
This fixes #2759, messages about management center connectivityjustified
Merge
Fixes #2759, checkstyle issues
removed ProblematicTest marker from the tests not failed recently
log refactor
Merge pull request #3223 from emrahkocaman/master

Management center connection messages justified
add assertTrueEventually to testListenerRegistrations . fixes #3118