Hi. I tried doing this with Apache Commons FileUpload: protected void processRequest(HttpServletRequest request, HttpServletResponse response) throws ServletException { PrintWriter out = null; try { response.setContentType("text/html;charset=UTF-8"); //MultipartFormDataRequest dataRequest = new MultipartFormD...
When a certain user tries to view our web page, a NullPointerException with the message 'charsetName' is thrown when we call response.getWriter(). I decompiled our web server's response class (JRun 3.1) and found that this error is being thrown when it does this: s = getCharacterEncoding(); // returns 'x-mac-roman' I believe try { ...
Retrieve data from database 10g in Servlet & JSP ...
Hello everybody, I gooogled and googled for hours on how to make a redirect in jsp or servlets. However when i try to apply it, it doesn't work. Code that i have inside jsp page: <% String articleId = request.getParameter("article_id").toString(); if(!articleId.matches("^[0-9]+$")) { response.sendRedirect("index.js...
Hi Gurus, Is it possible to turnoff jsessionid in the url in tomcat? the jsessionid seems not too search engine friendly. Please Advise Thanks ...
Let's presume that I have string like '=&?/;#+%' to be a part of my URL, let's say like this: example.com/servletPath/someOtherPath/myString/something.html?a=b&c=d#asdf where myString is the above string. I've encoded critical part so URL looks like example.com/servletPath/someOtherPath/%3D%26%3F%2F%3B%23%2B%25/something.html?a=b&c=d...
Can anyone post or point me in the direction of a clear example of a from scratch implementation of Model 2 architecture? Below is a detailed description of Model 2, taken from this page. The Model 2 architecture for designing JSP pages is in reality, Model View Controller (MVC) applied to web applications. Hence the two terms can b...
I use java mostly for gui programming and php for web programming but i really don't like not having a statically typed language. For my next project i would like to use java instead of php. What is the difference between jsp and servlets? ...
I am writing some servlets with plain old mostly-JDBC patterns. I realized that I have several objects that would like to share a single transaction, and I'd like to enforce that one HTTP transaction = one database transaction. I think I can do this via passing a Connection around in a ThreadLocal variable, and then having a servlet fil...
I need to write a simple servlet which will be the client, and it should be sending some simple strings to server written in java. However I have a problem and I don't know how to solve it. I was trying to put the code in servlet methods but it ain't working. Here is the code which works great in my standard (non servlet) java client: ht...
It would make a lot of sense to be able to monitor the contents of Session, Application and Request Bean while developing a JSF app but as far as I know, I should explicitly add watch points for the parameters I'm interested in. Is there an easier way to see these values as I navigate through my apps the pages? ...
It seems natural that a HttpServlet running in OSGi environment (i.e. registered in OSGi HttpService) would want to call some OSGi services to accomplish it's tasks. The question is how to obtain references to these OSGi service inside the servlet. One way would be to inject dependencies into the HttpServlet instance that is being regis...
Applications on Google App Engine must have web requests that return response data within 30 seconds. When this time is exceeded, a DeadlineExceededException exception is thrown: /time.jsp java.lang.ClassCastException: com.google.apphosting.api.DeadlineExceededException cannot be cast to javax.servlet.ServletException at org.apache....
Hi, I would like to serve servlets and static content with jetty embedded in JRuby. I tried this: server = Server.new(8080) context = Context.new(server, '/', 0) context_static = Context.new(server, '/static', 0) context_static.setHandler(ResourceHandler.new) context_static.setResourceBase('./') context_static.setContextPath('/static'...
Hi, I really confused in understanding where the tomcat actually runs. Is it execute inside the JVM, which execute servlets. Or it has it's own VM in executing servlet or JSP. Thanks in advance. ...
Does JSP or any related lightweight technology like JSTL perform HTTP POST "data grouping", or support form element "indexing" in the way PHP does? For example, you can create an HTML form with the following inputs: <input type="text" name="person[1][name]" /> <input type="text" name="person[1][age]" /> <input type="text" name="person[...
Can someone tell how to stop an web application when critical error is met while initializing, for e.g. important property is missing which will affect the whole application, I want to halt the web application, if system.exit is not a good option, can anyone point how to bring down the application. Pls don't tell me to log the error, se...
I'm having a problem trying to serve a zip file in a JSP. The zip file is always corrupt after it has finished downloading. I've tried a few different methods for reading and writing, and none of them seem to do the trick. I figure it is probably adding in ascii characters somewhere as the file will open and display all the filena...
I'm new to Java. I have to modify this Web Servlet that is running on my Tomcat. The Webapps folder contains several files and directories, but only one .JAR file. I managed to decompile it using Java Decompiler JD-GUI, but when I create the project in Eclipse from the decompiled source and try to Validate it, Eclipse shows me around 389...
i am using this reference in jsp .i am able to call functions like this.getServletConfig(); can anyone pls tell me for which servlet its returning servletconfig object.and which object its refering to? if it is servlet object it is refering to from which requestdispatch was dn to this jsp page. then it shd return value of these parame...