java.net.PlainSocketImpl.doConnect A remote host refused an attempted connect operation

 O java.net.ConnectException: A remote host refused an attempted connect operation.
        at java.net.PlainSocketImpl.doConnect(PlainSocketImpl.java:391)
        at java.net.PlainSocketImpl.connectToAddress(PlainSocketImpl.java:252)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:239)
        at java.net.Socket.connect(Socket.java:551)
        at java.net.Socket.connect(Socket.java:501)
        at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:403)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:521)
        at sun.net.www.http.HttpClient.<init>(HttpClient.java:246)
        at sun.net.www.http.HttpClient.New(HttpClient.java:320)
        at sun.net.www.http.HttpClient.New(HttpClient.java:337)
        at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:838)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:790)
        at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:715)
        at com.ibm._jsp._ark_5F_trans.getHtmls(_ark_5F_trans.java:53)
        at com.ibm._jsp._ark_5F_trans._jspService(_ark_5F_trans.java:119)
        at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:87)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1146)
        at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1087)
        at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:145)
        at filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:124)
        at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java:190)
        at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java:130)
        at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:87)
        at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:837)
        at com.ibm.ws.webcontainer.filter.WebAppFilterManager.doFilter(WebAppFilterManager.java:680)
        at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:588)
        at com.ibm.ws.wswebcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:524)
        at com.ibm.wsspi.webcontainer.servlet.GenericServletWrapper.handleRequest(GenericServletWrapper.java:122)
        at com.ibm.ws.jsp.webcontainerext.AbstractJSPExtensionServletWrapper.handleRequest(AbstractJSPExtensionServletWrapper.java:232)
        at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:90)
        at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:751)
        at com.ibm.ws.wswebcontainer.WebContainer.handleRequest(WebContainer.java:1478)
        at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:125)
        at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:458)
        at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:387)
        at com.ibm.ws.http.channel.inbound.impl.HttpICLReadCallback.complete(HttpICLReadCallback.java:102)
        at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
        at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
        at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
        at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:136)
        at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:196)
        at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:751)
        at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:881)
        at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1497)