Updated: Sep 01, 2026
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| Certification Vendor: | Oracle |
|---|---|
| Exam Name: | Java Enterprise Edition 5 Web Services Developer Certified Professional Upgrade Exam |
| Exam Number: | CX-310-231 |
| Exam Format: | Scenario-based, Multiple Choice |
| Available Languages: | English |
| Passing Score: | 68% |
| Certificate Validity Period: | Legacy/No active validity (retired) |
| Related Certifications: | Oracle Certified Professional, Java Programmer Oracle Certified Professional, Java EE 5 Web Services Developer Sun Certified Developer for Java Web Services (any earlier version) |
| Exam Price: | $150 USD (retired, historical price) |
| Real Exam Qty: | 91-96 |
| Exam Duration: | 90 minutes |
| Recommended Training: | Developing Web Services for Java EE 5 |
| Exam Registration: | Oracle Certification (Legacy) |
| Sample Questions: | Oracle CX-310-231 Sample Questions |
| Exam Way: | Delivered at authorized Pearson VUE / Oracle testing centers; RETIRED and no longer available for registration |
| Pre Condition: | Must hold Sun Certified Developer for Java Web Services (any previous version) or equivalent legacy certification |
| Official Syllabus URL: | https://education.oracle.com/oracle-certified-professional-java-ee-5-web-services-developer/trackp_156 |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: SOAP and WSDL Advanced Concepts | 15% | - SOAP Faults and Exception Handling - WSDL Structure and Binding - WS-I Basic Profile Compliance |
| Topic 2: Web Services Security | 20% | - Message Integrity and Confidentiality - Authentication and Authorization - WS-Security Standards |
| Topic 3: JAX-RPC vs JAX-WS Migration | 10% | - Key Differences and Migration Strategies - Interoperability Considerations |
| Topic 4: JAX-WS and XML Processing | 30% | - XML Schema, WSDL and JAXB - JAX-WS Annotations and Configuration - SOAP Message Handling and Handlers |
| Topic 5: Web Services Development and Deployment | 25% | - Deploy Web Services to Java EE Containers - Design and Implement Service Endpoints - Client Development and Invocation |
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