running "mvn clean org.jacoco:jacoco-maven-plugin:prepare-agent package sonar:sonar" locally (and on travis), I get a build failure:

[ERROR] SonarQube server [http://localhost:9000] can not be reached
[ERROR] Failed to execute goal org.sonarsource.scanner.maven:sonar-maven-plugin: (default-cli) on project unifiedpush-parent: Unable to execute SonarQube: Fail to get bootstrap index from server: Failed to connect to localhost/0:0:0:0:0:0:0:1:9000: Connection refused (Connection refused) -> [Help 1]

I think it used to work - seeing this now locally for the first time .... 

any ideas ?