OSB 12C - WSDL import from MDS does not import cascading XSDs

When i was creating proxy services from WSDL by importing it from MDS which just have one XSD, it was working perfectly fine but when WSDL  has cascading XDSs  then its faling to create proxy service.

After some investigation, i found out that it was known issue and can be fixed by a oracle patch.

Solution:

1. Download  Patch 19637023 from oracle support
2. Follow the instruction in README file.
3. Take back up of your system.
4. Apply the patch.
5. Try to create proxy service by importing WSDL with cascading XSDs from the MDS.

 After applying this patch, this issue was resolved.