hudson.util.IOException2: Failed to download from http://updates.jenkins-ci.org/download/plugins/email-ext/2.44/email-ext.hpi

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    Stack Overflow | 4 months ago | Vinayak Kaladhar
    hudson.util.IOException2: Failed to download from http://updates.jenkins-ci.org/download/plugins/email-ext/2.44/email-ext.hpi
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    Jenkins - Can't download upgrades / plugins - Proxy is already set - Able to reach .hpi via http fine in IE

    Stack Overflow | 4 years ago | Arun Sangal
    hudson.util.IOException2: Failed to download from http://updates.jenkins-ci.org/download/plugins/timestamper/1.5.3/timestamper.hpi
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    Google Groups | 6 years ago | Craig
    java.io.IOException: Server returned HTTP response code: 403 for URL: http://updates.jenkins-ci.org/download/plugins/backup/1.6/backup.hpi
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    Plugins fail with following error: hudson.util.IOException2: Failed to download from http://updates.jenkins-ci.org/download/plugins/durable-task/1.3/durable-task.hpi at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:796) at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:1143) at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:1303) at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1121) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:104) at java.lang.Thread.run(Thread.java:662) Caused by: java.io.IOException: Server returned HTTP response code: 500 for URL: http://updates.jenkins-ci.org/download/plugins/durable-task/1.3/durable-task.hpi at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at sun.net.www.protocol.http.HttpURLConnection$6.run(HttpURLConnection.java:1514) at java.security.AccessController.doPrivileged(Native Method) at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1508) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1162) at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:756) ... 8 more Caused by: java.io.IOException: Server returned HTTP response code: 500 for URL: http://updates.jenkins-ci.org/download/plugins/durable-task/1.3/durable-task.hpi at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1459) at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:2340) at java.net.URLConnection.getHeaderFieldInt(URLConnection.java:579) at java.net.URLConnection.getContentLength(URLConnection.java:474) at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:755) This occurs for all plugins. Jenkins is behind proxy server. Updates can be downloaded with curl/wget. Similar to follow issues, which none have had fixes: https://issues.jenkins-ci.org/browse/JENKINS-9999 https://issues.jenkins-ci.org/browse/JENKINS-10619 https://issues.jenkins-ci.org/browse/JENKINS-7736

    Jenkins JIRA | 2 years ago | Colin D
    hudson.util.IOException2: Failed to download from http://updates.jenkins-ci.org/download/plugins/durable-task/1.3/durable-task.hpi

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    Root Cause Analysis

    1. java.io.IOException

      Server returned HTTP response code: 403 for URL: http://updates.jenkins-ci.org/download/plugins/email-ext/2.44/email-ext.hpi

      at sun.reflect.NativeConstructorAccessorImpl.newInstance0()
    2. Java RT
      DelegatingConstructorAccessorImpl.newInstance
      1. sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
      2. sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
      3. sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
      3 frames