My error shows up in the console of my browser:   "WebSocket connection to 'ws://localhost:32768/DspClusterWebServices/myHandler' failed: Unexpected response code: 200"  I am using Spring Websockets 4.1.5 and Tomcat 8.0.18. My WebSock...
Guys this is driving me crazy, been fighting for hours on this, and couldn't find a solution!  I know that in order to clean the hashtag from the URL path, i need to use the  $locationProvider.html5Mode(true);  But for some reason this is not wor...
I am trying to implement a websocket on tomcat 7.0.50 using annotated endpoints as specified in Java Websocket API (1.0)- JSR 356. Following are the brief steps how I have coded it 1) Write a websocket endpoint using @ServerEndpoint annotation 2) imp...
I'm working on a web app for my Masters project. It's a system for professors to manage student projects, and it uses Java for the server-side code, HSQLDB for the database, and JSPs for the presentation layer, and it runs on tomcat. The data...
I have previously written a java class that was executed from a bash file, now I need to allow its execution from a JSP page using a Javascript/HTML button, I wonder how do I do that?   First, my class looks like this:   public class Sync  {    publi...
I have a spring MVC API backend with CORS configured correctly when i try to make the ajax call i get the following error in chrome     XMLHttpRequest cannot load 172.20.16.45:8082/cuponza. The request was redirected to '172.20.16.45:8082/cuponza...
I'm trying to send plain text error messages from a tomcat servlet, so that the responses may be presented to the user by the application.  I have the following in my web.xml:  <error-page>     <error-code>409</error-code>     &...
I'm writing a CouchDB sample. My intention is to write a web app using AJAX and deploy it in the tomcat environment. As I use the CouchDB I would like to know the way to interact with the CouchDB server. However there were few examples but I have...
I have a .jsp file with JavaScript.   If I click to the OK button, I call a JavaScript method. This method detects an id.   I want to send this id to my servlet. In my servlet I want to get the id with getParameter(id).  I have implemented this on my...
I have a very simple webapp where I am trying to plot graphs using flot javascript library. My JSP file goes this way where I am importing the required *.js files as follows.   Relative to the hello.jsp file at WEB-INF/pages/hello.jsp, scripts direct...

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