Provided that you’re sure that you’re using Tomcat 7 or newer, the webapp’s web.xml has to be declared conform Servlet 3.0 spec in order to get Tomcat to scan and process the annotations. Otherwise Tomcat will still run in a fallback modus matching the Servlet version in web.xml. The support for servlet API annotations was … Read more
In your case, as you are trying to access it on your local machine,so it will return that value. But let one of your friend access it, and you will receive the expected result with getRemoteAddr From the javadoc: getRemoteAddr – Returns the IP address of the client or last proxy that sent the request … Read more
Servlet 3.0 which Tomcat 7 supports includes the ability to package jsps into a jar. You need to: place your jsps in META-INF/resources directory of your jar optionally include a web-fragment.xml in the META-INF directory of your jar place the jar in WEB-INF/lib directory of your war You should then be able to reference your … Read more
Here’s a simple example. I didn’t get fancy with the html or the servlet, but you should get the idea. I hope this helps you out. <html> <body> <form method=”post” action=”/myServlet”> <input type=”text” name=”username” /> <input type=”password” name=”password” /> <input type=”submit” /> </form> </body> </html> Now for the Servlet import java.io.*; import javax.servlet.*; import javax.servlet.http.*; … Read more
I think you want to use getWriter() instead. That will accept a string and encode it, whereas the output stream is for handling binary data. From the doc: Returns a PrintWriter object that can send character text to the client. The character encoding used is the one specified in the charset= property of the setContentType(java.lang.String) … Read more
Now, i’m being told that this will terminate the session (or is it all sessions?) in the 15th minute of use, regardless their activity. This is wrong. It will just kill the session when the associated client (webbrowser) has not accessed the website for more than 15 minutes. The activity certainly counts, exactly as you … Read more
If its a maven project, add the below dependency in your pom file <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.3.4</version> </dependency>
multipart/form-data encoded requests are indeed not by default supported by the Servlet API prior to version 3.0. The Servlet API parses the parameters by default using application/x-www-form-urlencoded encoding. When using a different encoding, the request.getParameter() calls will all return null. When you’re already on Servlet 3.0 (Glassfish 3, Tomcat 7, etc), then you can use … Read more
Furthermore, @Resource annotation might not work. Try this @javax.ws.rs.core.Context ServletContext context; The injection doesn’t happen until you hit the service method public class MyService { @Context ServletContext context; public MyService() { print(“Constructor ” + context); // null here } @GET @Path(“/thing”) { print(“in wizard service ” + context); // available here
Based on the discussion in the comments (particularly from BalusC), it’s probably not worth doing anything more complicated than this: <script>var ctx = “${pageContext.request.contextPath}”</script>