SAP Knowledge Base Article - Public

1311869 - Error: ‘Unknown Database Connector Error’ when creating a report using HTTP(S) XML URL from Crystal Reports

Symptom

  • Cannot create reports from Crystal Reports
  • Error: ‘Unknown Database Connector Error’

Reproducing the Issue

  • From Crystal Reports, create report
  • As data source, use HTTP(S) XML URL and HTTP(S) Schema

Environment information:

  • XML and XSD files stored in Java web application
  • Crystal Reports XI Release 2 Service Pack 5

Cause

The default values of CRConfig.XML file need to be set properly.

Resolution

  • Locate CRConfig.XML file – usually stored at C:\Program Files\BusinessObjects\Common\3.5\java;
  • Modify CRConfig.XML file with the following values:

              <JVMMaxHeap>512000000</JVMMaxHeap>

             <JVMMinHeap>256000000</JVMMinHeap>

Keywords

Web application, XSD, Java, Tomcat, Java , KBA , BI-RA-CR , Crystal Reports designer or BusinessViews Manager , Problem

Product

SAP Crystal Reports XI R2