java.net.UnknownHostException

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Check if you don't have a VPN or something like this messing with your connection. Also, check Jenkins DNS configurations (try to start it with "--dns 8.8.8.8".

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    • java.net.UnknownHostException: java.sun.com at java.net.InetAddress.getAllByName0(InetAddress.java:571) at java.net.InetAddress.getAllByName0(InetAddress.java:540) at java.net.InetAddress.getByName(InetAddress.java:449) at java.net.Socket.<init>(Socket.java:100) at sun.net.NetworkClient.doConnect(NetworkClient.java:50) at sun.net.www.http.HttpClient.openServer(HttpClient.java:335) at sun.net.www.http.HttpClient.openServer(HttpClient.java:521) at sun.net.www.http.HttpClient.<init>(HttpClient.java:271) at sun.net.www.http.HttpClient.<init>(HttpClient.java:281) at sun.net.www.http.HttpClient.New(HttpClient.java:293) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:404) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:497) at com.sun.xml.parser.Resolver.createInputSource(Resolver.java:253) at com.sun.xml.parser.ExternalEntity.getInputSource(ExternalEntity.java:49) at com.sun.xml.parser.Parser.pushReader(Parser.java:2748) at com.sun.xml.parser.Parser.externalParameterEntity(Parser.java:2500) at com.sun.xml.parser.Parser.maybeDoctypeDecl(Parser.java:1136) at com.sun.xml.parser.Parser.parseInternal(Parser.java:480) at com.sun.xml.parser.Parser.parse(Parser.java:283) at weblogic.xml.dom.SunDOMParser.getDocument(SunDOMParser.java:69) at weblogic.xml.dom.DOMParser.getDocument(DOMParser.java:102) at weblogic.servlet.internal.dd.DescriptorLoader.<init>(DescriptorLoader.java:134) at weblogic.t3.srvr.HttpServer.loadWARContext(HttpServer.java:717) at weblogic.t3.srvr.HttpServer.initServletContexts(HttpServer.java:692) at weblogic.t3.srvr.HttpServer.start(HttpServer.java:493) at weblogic.t3.srvr.T3Srvr.start(T3Srvr.java:1402) at weblogic.t3.srvr.T3Srvr.main(T3Srvr.java:885) at java.lang.reflect.Method.invoke(Native Method) at weblogic.Server.startServerDynamically(Server.java:140) at weblogic.Server.main(Server.java:97) at weblogic.Server.main(Server.java:58)

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