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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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via GitHub by anhdenday
, 1 year ago
java.net.UnknownHostException: controller01 at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:178) at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:579) at sun.net.NetworkClient.doConnect(NetworkClient.java:175) at sun.net.www.http.HttpClient.openServer(HttpClient.java:432) at sun.net.www.http.HttpClient.openServer(HttpClient.java:527) at sun.net.www.http.HttpClient.<init>(HttpClient.java:211) at sun.net.www.http.HttpClient.New(HttpClient.java:308) at sun.net.www.http.HttpClient.New(HttpClient.java:326) at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:996) at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:932) at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:850) at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:1091) at org.glassfish.jersey.client.HttpUrlConnector$3.getOutputStream(HttpUrlConnector.java:312) at org.glassfish.jersey.message.internal.CommittingOutputStream.commitStream(CommittingOutputStream.java:200) at org.glassfish.jersey.message.internal.CommittingOutputStream.commitStream(CommittingOutputStream.java:194) at org.glassfish.jersey.message.internal.CommittingOutputStream.commit(CommittingOutputStream.java:262) at org.glassfish.jersey.message.internal.OutboundMessageContext.commitStream(OutboundMessageContext.java:811) at org.glassfish.jersey.client.ClientRequest.writeEntity(ClientRequest.java:543) at org.glassfish.jersey.client.HttpUrlConnector._apply(HttpUrlConnector.java:315) at org.glassfish.jersey.client.HttpUrlConnector.apply(HttpUrlConnector.java:227) at org.glassfish.jersey.client.ClientRuntime.invoke(ClientRuntime.java:224) at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:656) at org.glassfish.jersey.client.JerseyInvocation$1.call(JerseyInvocation.java:653) at org.glassfish.jersey.internal.Errors.process(Errors.java:315) at org.glassfish.jersey.internal.Errors.process(Errors.java:297) at org.glassfish.jersey.internal.Errors.process(Errors.java:228) at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:424) at org.glassfish.jersey.client.JerseyInvocation.invoke(JerseyInvocation.java:653) at org.glassfish.jersey.client.JerseyInvocation$Builder.method(JerseyInvocation.java:413) at org.openstack4j.connectors.jersey2.HttpCommand.execute(HttpCommand.java:79) at org.openstack4j.connectors.jersey2.HttpExecutorServiceImpl.invokeRequest(HttpExecutorServiceImpl.java:65) at org.openstack4j.connectors.jersey2.HttpExecutorServiceImpl.invoke(HttpExecutorServiceImpl.java:56) at org.openstack4j.connectors.jersey2.HttpExecutorServiceImpl.execute(HttpExecutorServiceImpl.java:33) at org.openstack4j.core.transport.internal.HttpExecutor.execute(HttpExecutor.java:51) at org.openstack4j.openstack.internal.BaseOpenStackService$Invocation.execute(BaseOpenStackService.java:159) at org.openstack4j.openstack.internal.BaseOpenStackService$Invocation.execute(BaseOpenStackService.java:154) at org.openstack4j.openstack.compute.internal.KeypairServiceImpl.create(KeypairServiceImpl.java:54) at com.vdco.openstack.icloud.keypair.TestKeypair.createKeypair(TestKeypair.java:101) at com.vdco.openstack.icloud.keypair.TestKeypair.main(TestKeypair.java:113)