I am new to this and I need help trying to determine the solution to the following error.

JPivot had an error ...

org.apache.jasper.JasperException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: Mondrian Error:Internal error: Error while creating SQL connection: Jdbc=Provider=mondrian;jdbc:Oracle:thin:foodmart/foodmart@myhost:1522:Oir

org.apache.jasper.JasperException: javax.servlet.jsp.JspException: javax.servlet.jsp.JspException: Mondrian Error:Internal error: Error while creating SQL connection: Jdbc=Provider=mondrian;jdbc:Oracle:thin:foodmart/foodmart@myhost:1522:Oir
at org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:500)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:395)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:308)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:259)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.tonbeller.wcf.controller.RequestFilter$MyHandler.normalRequest(RequestFilter.java:139)
at com.tonbeller.wcf.controller.RequestFilter.doFilter(RequestFilter.java:264)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:879)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Unknown Source)