1290 JSP (JavaServer Pages) JSP is a Java view technology running on the server machine which allows you to write template text in client side languages (like HTML, CSS, JavaScript, ect.). JSP supports taglibs, which are backed by pieces of Java code that let you control the page flow or output dynamically. A well-known taglib is JSTL.
Then, this servlet checks if the JSP is already compiled. If the JSP is not compiled yet, the JSP servlet translates the JSP to some Java source code implementing the Servlet interface. Then it compiles this Java source code to a .class file. This .class file usually is located somewhere in the servlet container's work directory for the ...
Before I go and create a custom tag or Java method to do it, what is the standard way to escape HTML characters in JSP? I have a String object and I want to display it in the HTML so that it appears to the user as is.
XSS can be prevented in JSP by using JSTL <c:out> tag or fn:escapeXml() EL function when (re)displaying user-controlled input. This includes request parameters, headers, cookies, URL, body, etc. Anything which you extract from the request object. Also the user-controlled input from previous requests which is stored in a database needs to be escaped during redisplaying. For example:
This was my first result in google for "redirect jsp". This is the correct answer for those people who came looking for how to always redirect one page to another (ex. to map /index.jsp -> /myapp/index.jsp, put this in to /index.jsp and make redirectURL = "/myapp/index.jsp"). Constantine is correct that this is a bad way to redirect a submit ...
9 The default JSP file encoding is specified by JSR315 as ISO-8859-1. This is the encoding that the JSP engine uses to read the JSP file and it is unrelated to the servlet request or response encoding. If you have non-latin characters in your JSP files, save the JSP file as UTF-8 with BOM or set pageEncoding in the beginning of the JSP page:
