I am working with Google Assistant / Dialogflow. I want to check all incoming requests. I need to get and verify a certificate. I try to get a certificate from a header or param from HttpRequestServlet but nothing to get. How can I do this? Answer I’m assuming that you want to validate incoming Dialogfl…
Tag: servlets
Java servlets on Tomcat take to 404 error but it works fine on localhost
I have design a webApp with NetBeans IDE. It works fine on localhost, but when I deploy it on my host, trying to access the servlets give me a 404 error. My servlet dos include the URLpattern and the Name specifications, like this The servlet just does a “redirection” to a .jsp If I use the URL ww…
Serving a zip file generated in server and stored in memory
I need to generate a bunch of xml files with data from my java based web system, that represent a whole export of another system based in XML. Such system will accept this import later. My approach is to create all files in memory, then save each one as entries it to a zip also in memory, which later is
Including JSTL implementation jar only
Following this answer, below is a simple JSP demo that includes only JSTL implementation jar(javax.servlet.jsp.jstl-1.2.1.jar), but not JSTL API jar(javax.servlet.jsp.jstl-api-1.2.1.jar), My understanding is, JSTL implementation jar holds both API(mostly Java interfaces) and it’s implementation. This is…
how to modify web.xml for multiple servlet
I just get confused about how to modify web.xml for multiple servlet. I got three servlet to handle three different jsp, but now only one servlet is effective. Answer You should declare and define the classes/servlets inside the web.xml file like this:
Why does Spring MVC respond with a 404 and report “No mapping found for HTTP request with URI […] in DispatcherServlet”?
I’m writing a Spring MVC application deployed on Tomcat. See the following minimal, complete, and verifiable example Where SpringServletConfig is Finally, I have a @Controller in the package com.example.controllers My application’s context name is Example. When I send a request to the application …
Servlet get GET and POST’s parameters at the doPost method
My problem is when I’m trying to access a POST Variable with request.getParameter(“name”), it works perfectly. But in some conditions, when a POST request arrives at my application, I also need to get GET Parameter from the Query String. As far as I can see, with getParameter, you can only a…
Error loading fcl file in servlet
I have Java Web application JSP/Servlet that works with jFuzzyLogic library which uses rules.fcl file which is located at WEB-INF/rules/rules.fcl. I m trying to load the rules.fcl file in a servlet file but when i try to execute the application web i got these errors : Someone help me plz with it! Thanks. Ans…
CAS: Invoking a webservice programmatically from within a servlet
I have two applications running on 2 different servers (one on tomcat and other on JBoss). Both these applications are connected to the same CAS server for authentication. Right now this CAS server also resides within the same JBoss. Now that I am invoking an url of App-1 from a browser. The CAS login page co…
package javax.servlet.annotation does not exist
I have some of the following imports defined like the following as shown in the image below. I am wondering, how can I eliminate “package javax.servlet.annotation does not exist” error. I am currently working on “Java Web” type of project in Netbeans 7.4. . Secondly, I believe , the ab…