Since this morning (CET) my Jenkins 2.164.2 is not able to download the workflow-api plugin (Version 2.33 and 2.38).
java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
at java.net.SocketInputStream.read(SocketInputStream.java:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:284)
at java.io.BufferedInputStream.read(BufferedInputStream.java:345)
at sun.net.www.MeteredStream.read(MeteredStream.java:134)
at java.io.FilterInputStream.read(FilterInputStream.java:133)
at sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:3444)
at sun.net.www.protocol.http.HttpURLConnection$HttpInputStream.read(HttpURLConnection.java:3437)
at org.apache.commons.io.input.ProxyInputStream.read(ProxyInputStream.java:78)
at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1176)
at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1181)
at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1215)
at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:1752)
at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:2015)
at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1726)
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:112)
at java.lang.Thread.run(Thread.java:748)