2158947 - "An error occurred while the applet was initializing" received when opening webi reports in IOMS

"An error occurred while the applet was initializing" received when opening webi reports in IOMS

Stack trace shows following:-

com.businessobjects.sdk.core.server.CommunicationException$InvalidServerResponseException:  (Error: RWI 00200)
at com.businessobjects.sdk.core.exception.ExceptionBuilder.make(ExceptionBuilder.java:152)
at com.businessobjects.sdk.core.exception.ExceptionBuilder.make(ExceptionBuilder.java:109)
at com.businessobjects.rebean.wi.impl.engine.ReportEngineContext.initUserServer(ReportEngineContext.java:455)
at com.businessobjects.rebean.wi.impl.services.ConfigurationServiceImpl.getUserSecuredCommands
(ConfigurationServiceImpl.java:196)
at com.sap.webi.client.toolkit.internal.usersession.UserSessionCommonImpl.postLoginProcess
(UserSessionCommonImpl.java:141)
at com.sap.webi.client.toolkit.internal.usersession.UserSessionCommonImpl.logonWithSerializedSession
(UserSessionCommonImpl.java:64)
at com.sap.webi.client.toolkit.internal.usersession.UserSessionJRPImpl.logonWithSerializedSession
(UserSessionJRPImpl.java:12)
at com.sap.webi.client.toolkit.SessionContext.logonWithSerializedSession(SessionContext.java:103)
at com.sap.webi.ui.context.managers.SessionsManager.loginAndGetSessionContext(SessionsManager.java:420)
at com.sap.webi.ui.context.managers.SessionsManager.logOnRepository(SessionsManager.java:230)
at com.sap.webi.ui.jrp.WebIAppletMain.start(WebIAppletMain.java:267)
at com.sap.webi.ui.jrp.WebIAppletStartup$2.doInBackground(WebIAppletStartup.java:167)
at com.sap.webi.ui.jrp.WebIAppletStartup$2.doInBackground(WebIAppletStartup.java:162)
at javax.swing.SwingWorker$1.call(Unknown Source)
at java.util.concurrent.FutureTask.run(Unknown Source)
at javax.swing.SwingWorker.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: com.businessobjects.sdk.core.server.CommunicationException$UnexpectedServerException: Failed to access
the WSDL at: http://SharepointServer:2550/ServerGateway.svc?wsdl. It failed with:
Got Server returned HTTP response code: 500 for URL: http://SharepointServer:2550/ServerGateway.svc?wsdl
while opening stream from http://SharepointServer:2550/ServerGateway.svc?wsdl.
at com.businessobjects.sdk.core.exception.ExceptionBuilder.make(ExceptionBuilder.java:152)
at com.businessobjects.sdk.core.exception.ExceptionBuilder.make(ExceptionBuilder.java:109)
at com.businessobjects.sdk.core.server.internal.AbstractServer.processIt(AbstractServer.java:183)
at com.businessobjects.sdk.core.server.internal.AbstractServer.process(AbstractServer.java:133)
at com.businessobjects.rebean.wi.impl.engine.ReportEngineContext.initUserServer
(ReportEngineContext.java:418)... 16 more
Caused by: javax.xml.ws.WebServiceException: Failed to access the WSDL at:
http://SharepointServer:2550/ServerGateway.svc?wsdl. It failed with:
Got Server returned HTTP response code: 500 for URL: http://SharepointServer:2550/ServerGateway.svc?wsdl
while opening stream from http://SharepointServer:2550/ServerGateway.svc?wsdl.
at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.tryWithMex(Unknown Source)
at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.parse(Unknown Source)
at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.parse(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.parseWSDL(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.<init>(Unknown Source)
at com.sun.xml.internal.ws.client.WSServiceDelegate.<init>(Unknown Source)
at com.sun.xml.internal.ws.spi.ProviderImpl.createServiceDelegate(Unknown Source)
at javax.xml.ws.Service.<init>(Unknown Source)
at com.businessobjects.services.coresdk.wsgateway.Gateway.<init>(Gateway.java:39)
at com.businessobjects.sdk.core.server.internal.http.HTTPServerImpl.getGatewayPort
(HTTPServerImpl.java:293)
at com.businessobjects.sdk.core.server.internal.http.HTTPServerImpl.doProcess(HTTPServerImpl.java:198)
at com.businessobjects.sdk.core.server.internal.AbstractServer.processIt(AbstractServer.java:171)... 18 more
Caused by: java.io.IOException: Got Server returned HTTP response code: 500 for URL:
http://SharepointServer:2550/ServerGateway.svc?wsdl while opening stream from
http://SharepointServer:2550/ServerGateway.svc?wsdl
at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.createReader(Unknown Source)
at com.sun.xml.internal.ws.wsdl.parser.RuntimeWSDLParser.resolveWSDL(Unknown Source)... 29 more
Caused by: java.io.IOException: Server returned HTTP response code: 500 for URL:
http://SharepointServer:2550/ServerGateway.svc?wsdl
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
at java.net.URL.openStream(Unknown Source)

• SAP BusinessObjects Business Intelligence Platform 4.1 SP5 patch3
• Integration Option for Microsoft Sharepoint 4.1 SP5 patch3
• Microsoft SharePoint 2013
• Internet Information Services 7

IOMS, SharePoint 2013, BI 4.1, SP5, applet initialization error, webi, report, servergateway.svc, (Error: RWI 00200), businessobjects.sdk.core.server.service , KBA , BI-BIP-DEP , Webapp Deployment, Networking, Vulnerabilities, Webservices , BI-BIP-INS , Installation, Updates, Upgrade, Patching , Problem