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Spring MVC Session Tutorial
Session management is one of essential parts for each web application. Since Spring MVC is a powerfull framework for a web development, it has own tools and API for the interaction ...
JPA – Hibernate – Type mapping on package level
When we are finally mature enough to use some custom types mapping in JPA, we usually stuck with some provider specific solution, because JPA itself doesn’t define any mechanism ...
ActiveMQ Message Priorities: How it works
There’s usually a steady drip of questions on the mailing list surrounding ActiveMQ’s message-priority support as well as good questions about observed behaviors and “what’s ...
Multipart Upload on S3 with jclouds
1. Goal In the previous article, we looked at how we can use the generic Blob APIs from jclouds to upload content to S3. In this article we will use the S3 specific asynchronous API ...
Upload on Amazon S3 with the jclouds library
There are several good ways to upload content to an S3 bucket in the Java world – in this article we’ll look at what the jclouds library provides for this purpose. To use jclouds ...
Glassfish plugin for JDeveloper 11gR2
As some of you already know, ADF Essentials is a great framework for building web applications using java and it is free to develop and free to deploy. You deploy ADF Essentials applications ...
Spring MVC Form Validation (With Annotations)
This post provides a simple example of a HTML form validation. It is based on the Spring MVC With Annotations example. The code is available on GitHub in the Spring-MVC-Form-Validation ...
Working with Amazon Web Services (EC2)
As posted before I attended to a technical handson AWS training last week. The subjects during these days were of course the standard EC2 and S3 services which I have used before. Added ...
JPA 2.0 Criteria Query with Hibernate
Criteria Query has been introduced in JPA 2.0. With the help of criteria queries you can write your queries in a type-safe way. Before criteria queries, developers had to write queries ...
Ganglia configuration for a small Hadoop cluster and some troubleshooting
Ganglia is an open-source, scalable and distributed monitoring system for large clusters. It collects, aggregates and provides time-series views of tens of machine-related metrics such ...
