Failure -java.net.NoRouteToHostException: No route to host (Host unreachable) at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:589) at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:673) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264) at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1156) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1050) at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1564) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492) at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:3000) 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 sun.net.www.protocol.https.HttpsURLConnectionImpl.getContentLength(HttpsURLConnectionImpl.java:407) at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1230) Caused: java.net.NoRouteToHostException: No route to host (Host unreachable) 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:423) at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1944) at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1939) at java.security.AccessController.doPrivileged(Native Method) at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1938) at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1508) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492) at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:263) at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1246) Caused: java.io.IOException: Failed to load https://updates.jenkins.io/download/plugins/discard-old-build/1.05/discard-old-build.hpi to /scratch/IUT_Setup/jenkins/plugins/discard-old-build.jpi.tmp at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1253) Caused: java.io.IOException: Failed to download from https://updates.jenkins.io/download/plugins/discard-old-build/1.05/discard-old-build.hpi at hudson.model.UpdateCenter$UpdateCenterConfiguration.download(UpdateCenter.java:1287) at hudson.model.UpdateCenter$DownloadJob._run(UpdateCenter.java:1835) at hudson.model.UpdateCenter$InstallationJob._run(UpdateCenter.java:2113) at hudson.model.UpdateCenter$DownloadJob.run(UpdateCenter.java:1809) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:111) at java.lang.Thread.run(Thread.java:748)
[JENKINS-68340] i am facing error to install Discard Old Build plugin in Jenkins ver. 2.225
This looks like you have some firewall active that blocks traffic. Note that when you download plugins from https://updates.jenkins.io you get redirected to one of the mirrors.
Markus Winter
added a comment - This looks like you have some firewall active that blocks traffic. Note that when you download plugins from https://updates.jenkins.io you get redirected to one of the mirrors.
This looks like you have some firewall active that blocks traffic. Note that when you download plugins from https://updates.jenkins.io you get redirected to one of the mirrors.