In this tutorial, we discuss how to upload files to a servlet. Parsing the uploaded file in the servlet depends strictly on the used version of the servlet API, here...
In this tutorial, we discuss several ways of passing data from a JSP view to a Spring controller. 1- Pass form fields The most common scenario for sharing data between...
This tutorial describes how to pass data from a Spring controller to a JSP view. If you’re still using servlets, then check our “Pass data from servlet to JSP” tutorial....
This tutorial describes how to install a single SSL certificate on multiple Tomcat nodes. 1. Generate CSR The first thing you should do before generating an SSL certificate is to...
In order to access a web application deployed on Tomcat, it is required by default to write the application name in the URL. However, getting rid of the application name...
In this tutorial, we describe 2 ways for deploying Java web applications on Tomcat application server. 1. War file The typical way for deploying a Java web application on Tomcat...
Jackson library is used with most REST/JSON applications in order to dynamically convert JSON to POJO and POJO to JSON. This tutorial explains how to solve the common exception raised...
Eclipse doesn’t provide a direct way to convert a Maven web project to a non-maven structure. In this tutorial, we provide an easy 2-steps way to do this. 1- Generate...
In any web application, there exists a folder named WebContent that automatically holds .class and jar files. When running a web application in eclipse or when deploying a war file to an...
This tutorial shows how to download a file from a web application using Servlet. A typical task in most web applications is to download files stored at the server side to...
Browsers automatically prompt users to save their password after login. In fact, this functionality provides a big advantage for allowing the user to login afterwards without reentering his credentials again....
Sometimes when trying to consume a web service from a java client, you get a 403 forbidden HTTP response code, even though the service is accessible normally from web browsers....
By default, filters doesn’t support excluding a specific URL pattern, whenever you define a URL pattern for a filter then any request matching this pattern is handled by the filter...
This tutorial provides a step-by-step guide on how to build and deploy JAX-WS web service on Tomcat. Throughout this tutorial, we create a very simple SOAP web service and finally...
JAX-WS is an API used for building and consuming XML web services in Java, it was first released in Java EE5. In this tutorial, we provide a step-by-step guide on...
This tutorial provides a step-by-step guide on how to build REST web service using Spring framework. Prerequisites: Eclipse IDE (Mars release) Java 1.8 Apache tomcat 8 1. Create Maven web...
RESTEasy is yet another popular framework which implements JAX-RS specification and is widely used for building REST web services in java. In this tutorial, we provide a step-by-step guide for...
Since Java 5, JAX-RS specification has been announced in order to support building REST web services according to the REST architectural pattern. JAX-RS is a set of interfaces or APIs...
It is a common practice that a controller redirects to another resource after processing a request, the resource could be either a view which displays the result of processing or...
JSP is mostly used as the view component in any Java-based MVC application, its main usage is to present dynamic data processed and generated from server-side controllers like a servlet....
