I receive the following error when trying to download the latest analysis-collector plugin:
java.io.FileNotFoundException: http://mirrors.jenkins-ci.org/plugins/analysis-collector/1.22/analysis-collector.hpi
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:532)
at sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:1458)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1452)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1106)
at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:621)
at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:952)
at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1060)
at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:935)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:636)
Caused by: java.io.FileNotFoundException: http://mirrors.jenkins-ci.org/plugins/analysis-collector/1.22/analysis-collector.hpi
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1401)
at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:2214)
at java.net.URLConnection.getHeaderFieldInt(URLConnection.java:596)
at java.net.URLConnection.getContentLength(URLConnection.java:491)
at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:620)
... 9 more

Note: I tried switching from the stable update url to the normal, with no avail.