hi all, i found something during installation

  [logmsg]   EJPC3057I Updating Portal configuration

 [wsadmin] WASX7023E: Error creating "SOAP" connection to host "localhost";
exception information:
com.ibm.websphere.management.exception.ConnectorNotAvailableException
 [wsadmin] WASX7213I: This scripting client is not connected to a server
process; please refer to the log file
/opt/IBM/ISC/AppServer/logs/wsadmin.traceout for additional information.
 [wsadmin] NodeName : DefaultNode
 [wsadmin] ServerName : ISC_Portal
 [wsadmin] Start with Port No: 1
 [wsadmin] Retrieve: 2 Port(s)
 [wsadmin]
 [wsadmin] WASX7017E: Exception received while running file
"/opt/IBM/ISC/PortalServer/config/work/was/retrieveServerPort.jacl";
exception information: com.ibm.ws.scripting.ScriptingException: WASX7070E:
The configuration service is not available

any clues ?