I understand that JPA 2 is a specification and Hibernate is a tool for ORM. Also, I understand that Hibernate has more features than JPA 2. But from a practical point of view, what really is the difference? I have experience using iBatis and now I’m trying to learn either Hibernate or JPA2. I picked … Read more
In my case I was able to resolve this by adding a file called “jaxb.index” in the same package folder as the JAXB annotated class. In that file list the simple, non-qualified names of the annotated classes. For example, my file /MyProject/src/main/java/com/example/services/types/jaxb.index is simply one line (since I have only one JAXB typed class): which … Read more
JSP (JavaServer Pages) JSP is a Java view technology running on the server machine which allows you to write template text in client side languages (like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-known taglib is JSTL. JSP also supports Expression … Read more
You can do it also like this: Right click on Deployment Descriptor in Project Explorer. Select Generate Deployment Descriptor Stub. It will generate WEB-INF folder in src/main/webapp and an web.xml in it.
Referring more generally to the Container pattern (of which an enterprise Java container could be considered a specialization), the book Server Component Patterns by M.Volter, et al. offers the following: [A CONTAINER provides] an execution environment that is responsible for adding the technical concerns to the COMPONENTS…Conceptually, it wraps the COMPONENTS, thus giving clients the … Read more
You need to check which jar is giving problem. It must be corrupted. Delete that jar and run mvn spring-boot:run command again. May be more that one jar has corrupted so every time you need to run that command to delete that jar. In my case mysql, jackson, aspect jars was corrupted mvn spring-boot:run command … Read more
You have downloaded Jersey 2 (which RI of JAX-RS 2). The tutorial you’re referring to uses Jersey 1. Download Jersey 1.17.1 from (here), should be sufficient for you. Jersey 1 uses com.sun.jersey, and Jersey 2 uses org.glassfish.jersey hence the exception. Also note that also init-param starting with com.sun.jersey won’t be recognized by Jersey 2. Edit Registering Resources and Providers in Jersey 2 contains … Read more
I am getting the error (…) javax.naming.NameNotFoundException: greetJndi not bound This means that nothing is bound to the jndi name greetJndi, very likely because of a deployment problem given the incredibly low quality of this tutorial (check the server logs). I’ll come back on this. Is there any specific directory structure to deploy in JBoss? The internal structure … Read more
After straining my eyes for while I changed this line to That worked like a charm. Thankyou all
You can do it also like this: Right click on Deployment Descriptor in Project Explorer. Select Generate Deployment Descriptor Stub. It will generate WEB-INF folder in src/main/webapp and an web.xml in it.