Spring Annotation-Based vs XML-Based Transaction Definition Precedence
I couldn’t find a definitive answer to this in the docs, and although there seems to be a logical answer, one can’t be sure. The scenario is this – youContinue reading
Are Tests of Service Methods That Rely on Database Access Unit Tests?
It is often argued whether tests that need a database should be called “unit tests”. Most often the answer is “No, these are database integration tests”. My opinion is –Continue reading
JAXB: javax.xml.bind.UnmarshalException: unexpected element
JAXB: [javax.xml.bind.UnmarshalException: unexpected element (uri:”http://mynamespace/”, local:”entity”). Expected elements are ({}entity)] The following exception broadly means that an element encountered during unmarshallization isn’t found in the JAXB Context. The details, howeverContinue reading
Hibernate: could not locate named parameter
Today I got this exception. Pretty obvious? Well, no. The named parameter IS there. (Sidenote: this exception generally means that when trying to call setParameter(..) with a certain param name,Continue reading
Custom Exceptions Thrown From Service Layer with Spring Transaction Support
The title explains the preconditions: spring beans (conforming to an interface), using @Transactional (or <tx:advice>) custom exception is thrown from within the service methods There is a little trick –Continue reading
Database Integration Testing / Unit-Testing with Spring, JPA, JUnit and Maven
The exact name for this tests is disputable. Whether it should be “database integration testing” or “unit testing”. But anyway, it is about this: Many applications’ service layer relies heavilyContinue reading
Deep @Embedded Hibernate Entity Hierarchy with Oracle
If you want to have a deep @Embeddable Hibernate entity hierarchy with Oracle – you are not welcome. Oracle has a genious unconfigurable (at least after a lot of search)Continue reading
How to Obtain Signer’s Details From JavaScript Signed Data
In a previous post I described how to sign data with only javascript. Now, this data should be used on the server side for something. Here is how a JavaContinue reading
A Really Useful Eclipse Shortcut to Configure
I wonder why it isn’t in the default set – “generate getters and setters”. This is one of the most frequent actions. I’m setting it to ALT+SHIFT+G (Generate).
How to Create a Digital Signing Solution with Only JavaScript
Important-er updates: Nothing below works anymore. Check this article. Important updates: this code won’t reliably work anymore. If you don’t need smartcard support, use the experimental web crypto API. IfContinue reading