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Create WildFly OpenShift application using Command Line Tools

A new instance of WildFly can be easily provisioned on OpenShift by using the quick start. Just a single click, and you are ready to go! Generally power users of OpenShift use Command ...
spring-interview-questions-answers

Spring boot based websocket application and capturing http session id

I was involved in a project recently where we needed to capture the http session id for a websocket request – the reason was to determine the number of websocket sessions utilizing ...
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Beginner’s Guide to Hazelcast Part 2

This article continues the series that I have started featuring Hazelcast, a distributed, in-memory database. If one has not read the first post, please click here. Distributed Collections Hazelcast ...
spring-interview-questions-answers

Spring from the Trenches: Resetting Auto Increment Columns Before Each Test Method

When we are writing integration tests for a function that saves information to the database, we have to verify that the correct information is saved to the database. If our application ...
jboss-hibernate-logo

Hibernate collections optimistic locking

Introduction Hibernate provides an optimistic locking mechanism to prevent lost updates even for long-conversations. In conjunction with an entity storage, spanning over multiple user ...
spring-interview-questions-answers

Spring Caching abstraction and Google Guava Cache

Spring provides a great out of the box support for caching expensive method calls. The caching abstraction is covered in a great detail here. My objective here is to cover one of the ...
java-interview-questions-answers

Tomcat to Wildfly: Configuring Database connectivity

This excerpt has been taken from the “From Tomcat to WildFly” book in which you’ll learn how to port your existing Tomcat architectures to WildFly, including both the server configuration ...
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A RESTful JDBC HTTP Server built on top of jOOQ

The jOOQ ecosystem and community is continually growing. We’re personally always thrilled to see other Open Source projects built on top of jOOQ. Today, we’re very happy to introduce ...
java-interview-questions-answers

Showing a Subset of Display Attributes in the Drop-down List with Combo box List of Values

Combo box List of Values (inputComboboxListOfValues) is supposed to be a very popular ADF Faces component for working with LOVs. Frankly speaking, this is my favorite approach when ...
jsf-logo

Why you should avoid JSF

For a long time JSF for me was just another webframework I didn’t cared too much about. This changed. After being forced to use it for a couple of months now, I consider it a major ...
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