As per this thread, the default PMD ruleset for Flex is outdated. Adobe has more recent ones up on their SVN server.
This file contains all rules as of Flex PMD 1.2
There are 112 rules for Flex PMD 1.2, but in Sonar I can see only 88 rules for the "Flex PMD" repository. Something's missing?
I'm able to see all 112 rules. Maybe you forgot to update your local Git repository?
Maybe I hadn't updated my Git repo indeed.
Closed without integration test.