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  1. ,
    Expert tip

    Check if you don't have a VPN or something like this messing with your connection. Also, check Jenkins DNS configurations (try to start it with "--dns 8.8.8.8".

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via 68idc.cn by Unknown author, 1 year ago
via Google Groups by ch...@orr.me.uk (JIRA), 1 year ago
via jenkins-ci.org by Unknown author, 1 year ago
via Jenkins JIRA by Andreas Pelzer, 1 year ago
Failed to download from http://updates.jenkins-ci.org/download/plugins/gerrit-trigger/2.18.2/gerrit-trigger.hpi
via Jenkins JIRA by Andreas Pelzer, 1 year ago
Failed to download from http://updates.jenkins-ci.org/download/plugins/gerrit-trigger/2.18.2/gerrit-trigger.hpi
java.net.UnknownHostException: updates.jenkins-ci.org	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184)	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)	at java.net.Socket.connect(Socket.java:589)	at java.net.Socket.connect(Socket.java:538)	at sun.net.NetworkClient.doConnect(NetworkClient.java:180)	at sun.net.(HttpClient.java:432)	at sun.net.(HttpClient.java:527)	at sun.net.(HttpClient.java:211)	at sun.net.(HttpClient.java:308)	at sun.net.(HttpClient.java:326)	at sun.net.(HttpURLConnection.java:1167)	at sun.net.(HttpURLConnection.java:1103)	at sun.net.(HttpURLConnection.java:997)	at sun.net.(HttpURLConnection.java:931)	at sun.net.(HttpURLConnection.java:1511)	at sun.net.(HttpURLConnection.java:1439)	at sun.net.(HttpURLConnection.java:2929)	at java.net.URLConnection.getHeaderFieldLong(URLConnection.java:629)	at java.net.URLConnection.getContentLengthLong(URLConnection.java:501)	at java.net.URLConnection.getContentLength(URLConnection.java:485)	at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:755)	at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:1138)	at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1298)	at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1116)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:104)	at java.lang.Thread.run(Thread.java:745)