Solution : https://service.sap.com/sap/support/notes/1170807 (SAP Service marketplace login required)
Key words : 
mdm server directory restart mdm server, srm-mdm catalog searchui handles, srm-mdm catalog searchui considers, socket read timeout ms=0, symptom sap srm catalog, srm-mdm catalog searchui, srm-mdm catalog supports, change web service definition, server   = <mdm server host>[, srm-mdm catalog 2
Related Notes : 
       
| 1160025 | SRM-MDM Catalog 2.0 SP03 Patch03 Release Note |