If you have worked with SOA before, you might wonder what is the difference between SOA and Microservices. Here I have explained both architectures and compared them in details.
Take a look at the importance of equals and hashcode, something even experienced developers decide to ignore. See the role it plays in biased locking and more.
Here is an annotated list of security guidelines for your REST APIs when you are developing and testing them, including proper authorization, input validation, and output encoding.
ScheduledService lets you execute the same task a regular intervals and can even restart itself in the event of a failure, making it a good tool to have in the box.
Learn how to place policies under Integration Server, attach a policy to web service descriptor, and pass message-based authentication credentials with web service.
If you want your message flow to scale, it takes some work. This proposal, using Apache Camel, let's you handle high volume requests with a variety of databases.