I am new to the Java EE World and want to use PostgreSQL as my database in an web application. I use Glassfish as my application server and added a connection pool via the administration interface (I
I\'m just asking theoretical question. I\' have an op开发者_高级运维eration which takes some period of time which is performed in some Servlet doGet/doPost method or inside of Spring MVC controller .
I have a ServletContextListener which performs some database management functions when my Java EE application starts. This runs in my application before JPA and other pieces of the application are sta
I am writing a simple servlet and trying to create an instance of one of my classes, DataStore, in the code.
i just have a question about java.lang.Throwable and does it cover all error codes i mean if i added in my web.xml:
imagine i have 3 Entities, Basic <- Sub <- SubSub. I want to select Basic and Sub but not SubSub
How can i catch all error-codes at once? i tried * but it didnt work. <error-page> <error-code>javax.servlet.error.status_code</error-code&开发者_开发知识库gt;
There are two different JPA code generator wizards in Netbeans while using JPA entity beans in a Java EE and web project.
I\'d like to be able to get attributes like Implementation-Version that are set in my EAR file\'s MANIFEST.MF, so that I can make them available in a webapp.
I have to implement a simple (not clustered) timer for WebLogic and it seems there are two different \'standard\' options