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Java SE 8 Programmer II Exam Preparation

Are you targeting for Oracle Certified Professional, Java SE 8 Programmer certification? This post provides one of many ways to prepare for the Java SE 8 Programmer II Exam. Please note that I am an experienced Java programmer but who has SCJP 1.4 certification. The contents herein may not be enough (or too much) for people who are starting to learn Java. Continue Reading

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Retry Operation at specific Exception using Spring Retry

Spring-Retry allows for the re-execution of operations when an Exception is thrown. How do we limit the retries to specific exceptions only? For instance, we wouldn’t want to retry a SOAP Web Service operations (@WebMethod) that threw exceptions due to invalid values or internal errors on the remote services. However, we would want to retry those failed operations caused by connectivity or unavailability issues, e.g., no Internet connection, and “server is busy”. Continue Reading