we are encountering the same issue, the schema validates on the workbench but we get this error on knowage.
this is the whatiflog :
22 Feb 2018 04:06:18,344 ERROR it.eng.spagobi.engines.whatif.model.PivotJsonSerializer.serialize:51 - Error serializing the MemberEntry
com.fasterxml.jackson.databind.JsonMappingException: Error serializing the pivot table
at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:123)
at com.fasterxml.jackson.databind.ObjectMapper._configAndWriteValue(ObjectMapper.java:2407)
at com.fasterxml.jackson.databind.ObjectMapper.writeValueAsString(ObjectMapper.java:1983)
at it.eng.spagobi.engines.whatif.model.PivotJsonSerializer.serialize(PivotJsonSerializer.java:49)
at it.eng.spagobi.engines.whatif.model.PivotJsonSerializer.serialize(PivotJsonSerializer.java:32)
at it.eng.spagobi.engines.whatif.serializer.SerializationManager.serialize(SerializationManager.java:121)
at it.eng.spagobi.engines.whatif.common.AbstractWhatIfEngineService.serialize(AbstractWhatIfEngineService.java:141)
at it.eng.spagobi.engines.whatif.common.AbstractWhatIfEngineService.renderModel(AbstractWhatIfEngineService.java:81)
at it.eng.spagobi.engines.whatif.api.ModelResource.setMdx(ModelResource.java:174)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:140)
at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:294)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:248)
at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:235)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:398)
at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:205)
at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:228)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)
at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:728)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at it.eng.spagobi.utilities.filters.SpagoBIAccessFilter.doFilter(SpagoBIAccessFilter.java:206)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at it.eng.spagobi.utilities.filters.EngineCheckSessionFilter.doFilter(EngineCheckSessionFilter.java:92)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at it.eng.spagobi.utilities.filters.EncodingFilter.doFilter(EncodingFilter.java:54)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:953)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:409)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1044)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:607)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:315)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: it.eng.spagobi.utilities.exceptions.SpagoBIRuntimeException: Error serializing the pivot table
at it.eng.spagobi.engines.whatif.model.PivotJsonHTMLSerializer.serialize(PivotJsonHTMLSerializer.java:297)
at it.eng.spagobi.engines.whatif.model.PivotJsonHTMLSerializer.serialize(PivotJsonHTMLSerializer.java:76)
at com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:108)
... 50 more
Caused by: java.lang.NullPointerException
at it.eng.spagobi.engines.whatif.calculatedmember.MDXFormulaHandler.loadFile(MDXFormulaHandler.java:74)
at it.eng.spagobi.engines.whatif.calculatedmember.MDXFormulaHandler.getFormulasFromXML(MDXFormulaHandler.java:84)
at it.eng.spagobi.engines.whatif.calculatedmember.MDXFormulaHandler.getFormulas(MDXFormulaHandler.java:96)
at it.eng.spagobi.engines.whatif.model.PivotJsonHTMLSerializer.serializeFunctions(PivotJsonHTMLSerializer.java:382)
at it.eng.spagobi.engines.whatif.model.PivotJsonHTMLSerializer.serialize(PivotJsonHTMLSerializer.java:280)
... 52 more
22 Feb 2018 04:06:18,344 ERROR it.eng.spagobi.engines.whatif.exception.RestExceptionMapper.toResponse:62 - Catched error
it.eng.spterxml.jackson.databind.JsonMappingException: Error serializing the pivot table
at
