1704606 - Test connection of Enterprise Portal Connector returns with error "Connection Failed"

While testing the portal connector, the error "Connection Failed" is returned. In the ccappcomp.log file the following error is displayed:

Apr 4, 2012 9:38:20 AM com.virsa.cc.comp.WS_GenricRTAInterface login
FINEST: Login =>
java.rmi.RemoteException: Service call exception; nested exception is: 
 java.lang.Exception: Incorrect content-type found 'text/html'
 at com.virsa.cc.model.wsgenericrta.proxies.Config1BindingStub.login(Config1BindingStub.java:883)
 at com.virsa.cc.model.wsgenericrta.proxies.Config1BindingStub.login(Config1BindingStub.java:892)
 at com.virsa.cc.model.wsgenericrta.Request_CCRTAWSViDocument_login.execute(Request_CCRTAWSViDocument_login.java:89)
 at com.virsa.cc.comp.WS_GenricRTAInterface.login(WS_GenricRTAInterface.java:275)
 at com.virsa.cc.comp.wdp.InternalWS_GenricRTAInterface.login(InternalWS_GenricRTAInterface.java:1050)
 at com.virsa.cc.comp.wdp.InternalWS_GenricRTAInterface$External.login(InternalWS_GenricRTAInterface.java:1133)
 at com.virsa.cc.dataextractor.bo.DataExtractorSAPPORTAL.init(DataExtractorSAPPORTAL.java:94)
 at com.virsa.cc.dataextractor.dao.DataExtractorFactory.getExtractor(DataExtractorFactory.java:152)

OR

SEVERE: Cannot get data extractor for.  Reason:PORTAL/PORTAL
com.virsa.cc.dataextractor.dao.DataExtractorException: Cannot get data extractor for.  Reason:PORTAL/PORTAL
 at com.virsa.cc.dataextractor.dao.DataExtractorFactory.getExtractor(DataExtractorFactory.java:158)
 at com.virsa.cc.dataextractor.bo.ConnectorUtil.testConnection(ConnectorUtil.java:55)
 at com.virsa.cc.comp.CreateSystem.onActionTestConnection(CreateSystem.java:1728)
 at com.virsa.cc.comp.wdp.InternalCreateSystem.wdInvokeEventHandler(InternalCreateSystem.java:281)
 at com.sap.tc.webdynpro.progmodel.generation.DelegatingView.invokeEventHandler(DelegatingView.java:87)

GRC Access Control 5.3

risk analysis and remediation, grc, governance risk and compliance, connection test, web service , KBA , GRC-SAC-ARA , Access Risk Analysis , Problem