I cannot get the proxy configuration to work for SonarQube 4.0 so that I can install plugins.
When i open http://localhost:9000/updatecenter/available i
Just an information: I had this problem also. I can see the PlugIns but cannot download it. The problem is, you have to add this line into your sonar.properties, for the https:
# https-proxy
sonar.web.javaAdditionalOpts=-Dhttps.proxyHost=xxxxx -Dhttps.proxyPort=xxxx -Dhttps.proxyUser=xxxx -Dhttps.proxyPassword=xxxx