hudson.util.IOException2: Failed to download from

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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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  • OSCARMcMaster / Mailing Lists
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  • OSCARMcMaster / Mailing Lists
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    • hudson.util.IOException2: Failed to download from at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:791) at hudson.model.UpdateCenter$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) Caused by: java.net.UnknownHostException: updates.jenkins-ci.org at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:408) at sun.net.$10.run(HttpURLConnection.java:1888) at sun.net.$10.run(HttpURLConnection.java:1883) at java.security.AccessController.doPrivileged(Native Method) at sun.net.<init>(HttpURLConnection.java:1882) at sun.net.<init>(HttpURLConnection.java:1455) at sun.net.<init>(HttpURLConnection.java:1439) at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:756) ... 7 more Caused by: 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.<init>(HttpClient.java:432) at sun.net.<init>(HttpClient.java:527) at sun.net.<init>(HttpClient.java:211) at sun.net.<init>(HttpClient.java:308) at sun.net.<init>(HttpClient.java:326) at sun.net.<init>(HttpURLConnection.java:1167) at sun.net.<init>(HttpURLConnection.java:1103) at sun.net.<init>(HttpURLConnection.java:997) at sun.net.<init>(HttpURLConnection.java:931) at sun.net.<init>(HttpURLConnection.java:1511) at sun.net.<init>(HttpURLConnection.java:1439) at sun.net.<init>(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) ... 7 more

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