About Hebert Coelho
Senior Java Development, with 4 certifications and a published book about JSF (portuguese only). Founder of the blog uaiHebert.com visited from more than 170 different countries.
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EasyCriteria 2.0 – JPA Criteria should be easy
In the post today we will see about the new version of the framework named EasyCriteria. At the end of this post we will see what is to come here in the blog. Unfortunately the JPA ...
EasyCriteria – An easy way to use the JPA Criteria
Today we will see about this tool that make easier to use the JPA Criteria. The application that uses this library will be cleaner, easier to use and portable across the JPA implementations. ...
JSF Simple Ajax Samples
Today we will see some Simple Samples of Ajax with JSF. If you want to see other posts about JSF/Web Applications click on the next links: JSF Persisting Objects and Messages after ...
Ultimate JPA Queries and Tips List – Part 1
There are several JPAs “how to” that we can find on the internet, here in this blog, that teaches how to do several tasks with JPA. Usually I see some people asking questions about ...
Ultimate JPA Queries and Tips List – Part 2
This part continues from the first part of the series. JPA: NamedQuery, querying with dates, warnings about the getSingleResult method To avoid the repetition of queries codes, upgrade ...
Ultimate JPA Queries and Tips List – Part 3
Before you read the third part , remember the first and second part of the series JPA: Creating a object from a query The JPA allow us to create objects inside a query, just with the ...
Four solutions to the LazyInitializationException – Part 1
In the post today we will talk about the common LazyInitializationException error. We will see four ways to avoid this error, the advantage and disadvantage of each approach and in ...
Four solutions to the LazyInitializationException – Part 2
This article continues from part 1 of the tutorial. Load collection by Stateful EJB with PersistenceContextType.EXTENDED This approach can be applied only to applications that works ...
Test JPQL / HQL without a deploy
Have you ever wanted to test your JPQL / HQL without doing a full deploy of your application? What we will see here today is simple solution that works for any JPA implementation: Hibernate, ...
Full Web Application Tomcat JSF Primefaces JPA Hibernate – Part 1
We created this post that will show how to create a full web application using the following tools: Tomcat7, JSF2 (Facelets and Libraries) with Primefaces (with AutoComplete), JPA ...
