I/O error while communicating with HTTP server: Connection refused org.apache.xmlrpc.client.XmlRpcCommonsTransport.writeRequest(XmlRpcCommonsTransport.java:239)
 org.apache.xmlrpc.client.XmlRpcStreamTransport.sendRequest(XmlRpcStreamTransport.java:140)
 org.apache.xmlrpc.client.XmlRpcHttpTransport.sendRequest(XmlRpcHttpTransport.java:94)
 org.apache.xmlrpc.client.XmlRpcClientWorker.execute(XmlRpcClientWorker.java:53)
 org.apache.xmlrpc.client.XmlRpcClient.execute(XmlRpcClient.java:166)
 org.apache.xmlrpc.client.XmlRpcClient.execute(XmlRpcClient.java:157)
 com.openxource.unity.confluence.ConfluenceConnectorImpl.execute(ConfluenceConnectorImpl.java:374)
 com.openxource.unity.confluence.ConfluenceConnectorImpl.buildPageList(ConfluenceConnectorImpl.java:231)
 com.openxource.unity.confluence.ConfluenceConnectorImpl.getSpace(ConfluenceConnectorImpl.java:427)
 com.openxource.unity.providers.confluence.ConfluencePageProviderImpl.getContributions(ConfluencePageProviderImpl.java:157)
 com.openxource.unity.beans.impl.UnityPageRendererImpl.getFragment(UnityPageRendererImpl.java:348)
 com.openxource.unity.beans.impl.UnityPageRendererImpl.renderPage(UnityPageRendererImpl.java:165)
 com.openxource.unity.servlets.ContentServlet.doGet(ContentServlet.java:101)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:115)
 javax.servlet.http.HttpServlet.service(HttpServlet.java:92)
 com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:99)
 com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:163)
 com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:208)
 com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:259)
 com.caucho.server.port.TcpConnection.run(TcpConnection.java:363)
 com.caucho.util.ThreadPool.runTasks(ThreadPool.java:490)
 com.caucho.util.ThreadPool.run(ThreadPool.java:423)
 java.lang.Thread.run(Thread.java:662)