Hipchat notifications do not function at all when the system is behind a proxy.

When a system proxy is configured I can manually post notifications to the rooms but this plugin does not seem to take the system proxy (or the one configured in the plugins) into consideration.

Nov 04, 2013 5:40:58 PM WARNING jenkins.plugins.hipchat.StandardHipChatService publish

Error posting to HipChat
java.net.NoRouteToHostException: No route to host
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:579)
at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:618)
at sun.security.ssl.SSLSocketImpl.(SSLSocketImpl.java:451)
at sun.security.ssl.SSLSocketFactoryImpl.createSocket(SSLSocketFactoryImpl.java:140)
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:82)
at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:127)
at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)
at jenkins.plugins.hipchat.StandardHipChatService.publish(StandardHipChatService.java:43)
at jenkins.plugins.hipchat.ActiveNotifier.completed(ActiveNotifier.java:63)
at jenkins.plugins.hipchat.HipChatListener.onCompleted(HipChatListener.java:26)
at jenkins.plugins.hipchat.HipChatListener.onCompleted(HipChatListener.java:14)
at hudson.model.listeners.RunListener.fireCompleted(RunListener.java:199)
at hudson.model.Run.execute(Run.java:1729)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:230)