Jenkins CI build fails with 7 bugs found by findbugs.
https://ci.jenkins.io/blue/organizations/jenkins/Plugins%2Famqp-build-trigger-plugin/detail/master/1/pipeline
Fix checkin: https://github.com/jenkinsci/amqp-build-trigger-plugin/commit/00f2222c4af43b29eba7f14e5f58e1c2f1578325
CI build #2 (https://ci.jenkins.io/blue/organizations/jenkins/Plugins%2Famqp-build-trigger-plugin/detail/master/2/pipeline) is now green.