hudson.util.IOException2: Failed to download from http://updates.jenkins-ci.org/download/plugins/dashboard-view/2.3/dashboard-view.hpi
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java.net.ProtocolException: Server redirected too many times (20)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1446)
at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:2300)
at java.net.URLConnection.getHeaderFieldInt(URLConnection.java:579)
at java.net.URLConnection.getContentLength(URLConnection.java:474)
at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:645)
at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:1015)
at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1165)
at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:994)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)