各位好！ 在部署，配置好cloudstack4.0 管理服务器之后，初始化基础架构，但是在添加主机步骤中出错。 我的环境是在管理主机上同时做了kvm hypervisor，作为系统虚拟机的主机。 查看日志，异常信息如下。 求高人指点！！！谢谢！！！
2013-04-15 14:51:12,208 DEBUG [kvm.discoverer.KvmServerDiscoverer] (catalina-exec-25:null) Timeout, to wait for the host connecting to mgt svr, assuming it is failed 2013-04-15 14:51:12,211 WARN [cloud.resource.ResourceManagerImpl] (catalina-exec-25:null) Unable to find the server resources at http://192.168.181.51 2013-04-15 14:51:12,213 WARN [api.commands.AddHostCmd] (catalina-exec-25:null) Exception: com.cloud.exception.DiscoveryException: Unable to add the host at com.cloud.resource.ResourceManagerImpl.discoverHostsFull(ResourceManagerImpl.java:737) at com.cloud.resource.ResourceManagerImpl.discoverHosts(ResourceManagerImpl.java:544) at com.cloud.api.commands.AddHostCmd.execute(AddHostCmd.java:140) at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:138) at com.cloud.api.ApiServer.queueCommand(ApiServer.java:544) at com.cloud.api.ApiServer.handleRequest(ApiServer.java:423) at com.cloud.api.ApiServlet.processRequest(ApiServlet.java:312) at com.cloud.api.ApiServlet.doGet(ApiServlet.java:64) at javax.servlet.http.HttpServlet.service(HttpServlet.java:617) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:615) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11NioProcessor.process(Http11NioProcessor.java:889) at org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.process(Http11NioProtocol.java:744) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:2274) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) at java.lang.Thread.run(Thread.java:679) 2013-04-15 14:51:12,217 WARN [cloud.api.ApiDispatcher] (catalina-exec-25:null) class com.cloud.api.ServerApiException : Unable to add the host 2013-04-15 14:51:12,219 DEBUG [cloud.api.ApiServlet] (catalina-exec-25:null) ===END=== 192.168.181.51 -- GET command=addHost&zoneid=2b4c5808-da35-49fc-a578-552a8ee1259c&podid=f16b4f44-0028-4b9d-95f9-dbdcdc188ae0&clusterid=8a232f81-52af-40c5-9e3c-36e3f203b5dc&hypervisor=KVM&clustertype=CloudManaged&hosttags=&username=root&url=http%3A%2F%2F192.168.181.51&response=json&sessionkey=u4ncwQi%2BvsGaHexZyNeE2klAZAk%3D&_=1366008335288 另外，主机环境中之前有apache的服务，对cloudstack 服务是否有影响。我是新接触cloudstack，不是很理解添加主机过程中在哪里需要访问本地的web服务。 Unable to find the server resources at http://192.168.181.51，
