configRoundtrip SocketTimeoutException

gistfile1.txt

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:170)
        at java.net.SocketInputStream.read(SocketInputStream.java:141)
        at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:139)
        at org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:155)
        at org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:284)
        at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:140)
        at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:57)
        at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:261)
        at org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:165)
        at org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:167)
        at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:272)
        at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:124)
        at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:271)
        at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
        at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
        at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
        at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
        at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:71)
        at com.gargoylesoftware.htmlunit.HttpWebConnection.getResponse(HttpWebConnection.java:179)
        at com.gargoylesoftware.htmlunit.WebClient.loadWebResponseFromWebConnection(WebClient.java:1321)
        at com.gargoylesoftware.htmlunit.WebClient.loadWebResponse(WebClient.java:1238)
        at org.jvnet.hudson.test.JenkinsRule$WebClient.loadWebResponse(JenkinsRule.java:1810)
        at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:346)
        at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:415)
        at com.gargoylesoftware.htmlunit.WebClient.getPage(WebClient.java:400)
        at org.jvnet.hudson.test.JenkinsRule$WebClient.goTo(JenkinsRule.java:2005)
        at org.jvnet.hudson.test.JenkinsRule$WebClient.goTo(JenkinsRule.java:1985)
        at org.jvnet.hudson.test.JenkinsRule$WebClient.getPage(JenkinsRule.java:1941)
        at org.jvnet.hudson.test.JenkinsRule.configRoundtrip(JenkinsRule.java:934)
        at org.jvnet.hudson.test.JenkinsRule.configRoundtrip(JenkinsRule.java:944)
        at jenkins.plugins.http_request.HttpRequestRoundTripTest.configRoundTrip(HttpRequestRoundTripTest.java:107)
        at jenkins.plugins.http_request.HttpRequestRoundTripTest.defaults(HttpRequestRoundTripTest.java:58)