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JNDI lookup on EJB hosted on WAS

BeanValidation

Finally, JSR 303 came to fruitition. Two important facts: it is end-agnostic, meaning you can use it anywhere you like (front-end, back-end, even DTO if you follow this pattern) and its reference implementation is Hibernate Validator v4. JSR 303 features include: validation on two different levels: attribute or entire bean. That was not possible with Hibernate Validator (since it was database oriented) and only possible with much limitations with Commons Validator i18n ready and message are parameterized extensible with your own validators configurable with annotations or XML. In the following, only the annotation configuration will be shown

There is no installed container capable of handling this application EAR

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Deploying some EJB modules warping in an EAR file in GlassFish 3.1.2 and getting this strange error: There is no installed container capable of handling this application EAR SEVERE: Module type not recognized for module ..... SEVERE: There is no installed container capable of handling this application EAR.

Could not find the main class, Program will exit

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Sometimes running a project in eclipse results in the following error: "Could not find the main class, Program will exit" That could be because of adding JRE instead of JSE to project build path.

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