I am having an issue updating to the latest security patch for the SAML plugin: 

Download progress

Failure -
java.io.FileNotFoundException: https://get.jenkins.io/plugins/saml/4.590.v6170b_1013da_f/saml.hpi at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:2009) at java.base/sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1614) at java.base/sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:223) at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1365) Caused: java.io.IOException: Failed to load https://updates.jenkins.io/download/plugins/saml/4.590.v6170b_1013da_f/saml.hpi to /var/lib/jenkins/plugins/saml.jpi.tmp at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1380) Caused: java.io.IOException: Failed to download from https://updates.jenkins.io/download/plugins/saml/4.590.v6170b_1013da_f/saml.hpi → https://get.jenkins.io/plugins/saml/4.590.v6170b_1013da_f/saml.hpi at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1407) at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:2059) at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:2387) at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:2033) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:121) at java.base/java.lang.Thread.run(Thread.java:1583)