Latest Articles

InvalidIsolationLevelException: Standard JPA does not support custom isolation levels - use a special JpaDialect for your JPA implementation

02 January 2014

In this article we will see how to fix InvalidIsolationLevelException: Standard JPA does not support custom isolation levels - use a special JpaDialect for your JPA implementation.

As the exception clearly states, Standard JPA does not support custom isolation levels, so when we use an isolation level that is different from the default we will get the following exception: Inval... Read more

Spring - Change transaction isolation level example

02 January 2014

In this article we will see how to effectively change Spring transaction isolation level, together with JPA, while avoiding InvalidIsolationLevelException: Standard JPA does not support custom isolation levels - use a special JpaDialect for your JPA implementation.

As we have seen previously on Spring transaction isolation level tutorial, Spring supports the definition of the transaction isolation level in service methods. What we might not expect at first is th... Read more

java jpa spring tx

Spring + JPA + Hibernate example

27 December 2013

In this tutorial we will configure Spring with JPA using Hibernate as our JPA implementation.

Spring framework supports the persistence layer to be fully implemented through JPA. In this article we will see how to configure the Spring needed components to perform persistence over standard JPA,... Read more

hibernate java jpa spring tx

Spring AOP pointcut advice example

12 December 2013

In this tutorial we will see how to configure Spring AOP pointcuts and advices with parameter binding through supported AspectJ annotations.

Spring AOP provides a powerful and flexible pointcut and advice configuration. We have seen previously how to configure Spring AOP advices in the following article: Spring AOP example. In that previou... Read more

aop java spring

Spring AOP example

05 December 2013

In this tutorial we will see how to use Spring AOP through supported AspectJ annotations.

One of the main features of the Spring Framework is the Aspect Oriented Programming (AOP) paradigm. It's main purpose is to aggregate sections of code that would be usually repeated in multiple places... Read more

aop java spring

Spring JTA multiple resource transactions in Tomcat with Atomikos example

17 June 2013

In this tutorial you will learn how to configure a JTA transaction manager outside an enterprise container - using the Spring framework and Atomikos, both deployed in Tomcat - in order to implement distributed multiple resource (or XA) transactions.

Distributed multiple resource transactions in Java are usually accomplished by resorting to the Java Transaction API (JTA). One usually delegates the task of distributed transaction coordination to an... Read more

atomikos hibernate java jpa jta spring tomcat tx xa

Spring MVC RequestMapping consumes condition example

16 March 2013

In this tutorial you will learn how to use @RequestMapping annotation together with the "consumes" condition to handle distinct HTTP request content-types by distinct Controller methods.

Spring MVC @RequestMapping annotation used in Controller methods allows the developer to define which methods will be used to handle distinct HTTP requests sent by clients based in the request content... Read more

java mvc spring spring-mvc web

Spring MVC @RequestMapping example

16 February 2013

In this tutorial you will learn how to use @RequestMapping annotation to match URL patterns in different scenarios.

Spring MVC @RequestMapping annotation used in Controllers allow us not only to implement URL pattern matching but also to extract variables from the request URL itself. We will go through different po... Read more

java mvc spring spring-mvc web

About the author

Gonçalo Marques is a Software Engineer with several years of experience in software development and architecture definition. During this period his main focus was delivering software solutions in banking, telecommunications and governmental areas. He created the Bytes Lounge website with one ultimate goal: share his knowledge with the software development community. His main area of expertise is Java and open source.

GitHub profile: https://github.com/gonmarques

He is also the author of the WiFi File Browser Android application: