When am trying to connect Bi Publisher it throws below error

Error

Server not initialized. Please make sure the repository is ready.

When i checked bi publisher log i found below enteries

[2017-03-09T03:30:01.595-04:00] [bi_server1] [WARNING] [] [oracle.xdo] [tid: 127] [userId: <anonymous>] [ecid: 9645fdb2-41e6-4467-9990-cf6df3f47924-0000699a,0] [APP: bipublisher] [partition-name: DOMAIN] [tenant-name: GLOBAL] unable to retrieve sudo session id [username: yu6tzo4pgsekqfhwaij52d7mbnlrvcx1]

[2017-03-09T03:30:01.596-04:00] [bi_server1] [WARNING] [] [oracle.xdo] [tid: 127] [userId: <anonymous>] [ecid: 9645fdb2-41e6-4467-9990-cf6df3f47924-0000699a,0] [APP: bipublisher] [partition-name: DOMAIN] [tenant-name: GLOBAL] javax.xml.ws.ProtocolException: java.net.ConnectException: Connection refused (Connection refused)[[

  at com.siebel.analytics.web.jaxwsutils.HttpTcpBridge.sendHttpRequest(HttpTcpBridge.java:117)

  at com.siebel.analytics.web.jaxwsutils.DirectSoapCaller.invokeSoapMethod(DirectSoapCaller.java:180)

  at com.siebel.analytics.web.jaxwsutils.SAWSOAPTcpConnector.invokeSoapMethod(SAWSOAPTcpConnector.java:77)

  at com.siebel.analytics.web.jaxwsutils.SOAPInterfaceProxy.invoke(SOAPInterfaceProxy.java:206)

  at com.sun.proxy.$Proxy404.logonex(Unknown Source

After scrolling more down in bipublisher.log i see

Caused by: oracle.xdo.servlet.CreateException: oracle.xdo.servlet.CreateException: Failed to retrieve saw login password

  at oracle.xdo.servlet.GlobalContext.initSawResource(GlobalContext.java:909)

  at oracle.xdo.servlet.GlobalContext.initResources(GlobalContext.java:409)

  ... 44 more

Does any one sen this before ?