Try adding servlet-api.jar instead of servelt-api-3.0 jar.Stop the server. Refresh the project and then start the server and see. I think it should work. Make sure you are adding the servlet-api.jar from tomcat lib folder. Suppose your tomcat is in C:\Tomcat\lib. In eclipse right click your project-properties-javabuildpath-add external jars and then select the servlet-api.jar from … Read more
The mentioned package/classes are not present in the compiletime classpath. Basically, Java has no idea what you’re talking about when you say to import this and that. It can’t find them in the classpath. It’s part of Apache Commons FileUpload. Just download the JAR and drop it in /WEB-INF/lib folder of the webapp project and … Read more
The solution to this question is to increase the number of processes : As Tried and tested.
Here i come up with problem while performing some operation like update,delete and insert but its return some null value with exception kindly some one could look at the code if its wrong: Error: user.jsp: listuser.jsp Controllertest.java:
I came across the same problem. Removing any reference to the servlet in the web.xml solved the issue (these mappings are already defined in your servlet class with annotations)
An absolute URI specifies a scheme; a URI that is not absolute is said to be relative. http://docs.oracle.com/javase/8/docs/api/java/net/URI.html So, perhaps your URLEncoder isn’t working as you’re expecting (the https bit)?
First, you need to obtain the public certificate from the server you’re trying to connect to. That can be done in a variety of ways, such as contacting the server admin and asking for it, using OpenSSL to download it, or, since this appears to be an HTTP server, connecting to it with any browser, viewing … Read more
The Servlet 2.4 specification says this about WEB-INF (page 70): A special directory exists within the application hierarchy named WEB-INF. This directory contains all things related to the application that aren’t in the document root of the application. The WEB-INF node is not part of the public document tree of the application. No file contained in the WEB-INF directory may be served directly … Read more
Have you copied classes12.jar in lib folder of your web application and set the classpath in eclipse. Right-click project in Package explorer Build path -> Add external archives… Select your ojdbc6.jar archive Press OK Or Go through this link and read and do carefully. The library should be now referenced in the “Referenced Librairies” under the Package … Read more
To set a session-timeout that never expires is not desirable because you would be reliable on the user to push the logout-button every time he’s finished to prevent your server of too much load (depending on the amount of users and the hardware). Additionaly there are some security issues you might run into you would … Read more