How to avoid subclasses join in Hibernate model

Statistics queries with time range for PostgreSQL and Hibernate

Distributed hibernate search with ApacheMQ and Spring

BIRT with Hibernate using POJO-s

Database locks with Spring, Hibernate and Postgres

Tomcat, Atmosphere and Spring Security

Java Cryptography Architecture and common encryption usages

Convert document to HTML with Apache Tika

Play Framework on Heroku and custom dependencies

SOA vs. Domain design and OpenSessionInThreadExecution pattern