How can I call servlet from JSP?

How can I call servlet from JSP?

Invoking a JSP Page from a Servlet

1. Get a servlet context instance from the servlet instance:
2. Get a request dispatcher from the servlet context instance, specifying the page-relative or application-relative path of the target JSP page as input to the getRequestDispatcher() method:

Can a JSP be called using a servlet if so how?

The user can only call the servlet in order to open the JSP file. If your actual question is “How to submit a form to a servlet?” then you just have to specify the servlet URL in the HTML form action . Its doPost() method will then be called.

How do you call a servlet?

Calling a Servlet Programmatically To include another servlet’s output, use the include() method from the RequestDispatcher interface. This method calls a servlet by its URI and waits for it to return before continuing to process the interaction. The include() method can be called multiple times within a given servlet.

How does JSP page converts to servlet give an example?

As depicted in the above diagram, JSP page is translated into Servlet by the help of JSP translator. The JSP translator is a part of the web server which is responsible for translating the JSP page into Servlet. After that, Servlet page is compiled by the compiler and gets converted into the class file.

How a servlet does communicate with a JSP page explain?

Wherein an object will be communicated to a JSP from a Servlet….Following are the steps in Servlet JSP Communication:

1. Servlet instantiates a bean and initializes it.
2. The bean is then placed into the request.
3. The call is then forwarded to the JSP page, using request dispatcher.

How can I call servlet without form and submit button?

3 Answers. Basically you can fire an ajax call in some java script function. Declare a xmlhttprequest object and specify get or post and servlet to call.

How can we call servlet from servlet?

You can call this servlet programmatically from another servlet in one of two ways. To include another servlet’s output, use the include() method from the RequestDispatcher interface. This method calls a servlet by its URI and waits for it to return before continuing to process the interaction.

How do I forward a servlet to a JSP page?

How to Forward Request from Java Servlet to JSP with Data

1. String name = “John” ; request.setAttribute( “name” , name);
2. Integer numberOfItems = 1000 ;
3. request.setAttribute( “itemCount” , numberOfItems);
4. List fruits = Arrays.asList( “Apple” , “Banana” , “Lemon” , “Papaya” );

Who converts JSP to servlet?

When the JSPC(compiler) converts the code into Servlet code and calls the JAVAC compiler to generate the . class file.

Where is JSP file converted to servlets and stored?

4 Answers. If WebLogic is compiling JSP (i.e. if you are not precompiling them), they should be located under domain_name/servers/server-name-1/tmp/_WL_user .

How do I forward a Servlet to a JSP page?

Who converts JSP into Servlet?

compiler
When the JSPC(compiler) converts the code into Servlet code and calls the JAVAC compiler to generate the . class file.