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  1. ,

    401 means "Unauthorized", so there must be something with your credentials. You need to pass the authentication to let the server know its a valid user. Check whether the authentication details are provided.

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via bitnami.com by Unknown author, 1 year ago
Failed to download from ; (redirected to:
via Jenkins JIRA by Daniel Beck, 1 year ago
Failed to download from http://updates.jenkins-ci.org/download/war/1.570/jenkins.war (redirected to: http://jenkins.mirror.isppower.de/war/1.570/jenkins.war)
via Jenkins JIRA by Vassilena Treneva, 1 year ago
Failed to download from http://updates.jenkins-ci.org/download/war/1.625/jenkins.war (redirected to: http://mirrors.jenkins-ci.org/war/1.625/jenkins.war)
via Jenkins JIRA by Vassilena Treneva, 1 year ago
Failed to download from http://updates.jenkins-ci.org/download/war/1.625/jenkins.war (redirected to: http://mirrors.jenkins-ci.org/war/1.625/jenkins.war)
via Jenkins JIRA by Vassilena Treneva, 1 year ago
Failed to download from http://updates.jenkins-ci.org/download/war/1.621/jenkins.war (redirected to: http://archives.jenkins-ci.org/war/1.621/jenkins.war)
via Jenkins JIRA by Daniel Beck, 1 year ago
Failed to download from http://updates.jenkins-ci.org/download/war/1.570/jenkins.war (redirected to: http://jenkins.mirror.isppower.de/war/1.570/jenkins.war)
java.io.IOException: Server returned HTTP response code: 403 for URL: 
;	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)	at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(Unknown Source)	at java.net.URLConnection.getHeaderFieldLong(Unknown Source)	at java.net.URLConnection.getContentLengthLong(Unknown Source)	at java.net.URLConnection.getContentLength(Unknown Source)	at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:756)