# Package jakarta.servlet.jsp

package jakarta.servlet.jsp
Classes and interfaces for the Core JSP 2.0 API.

The jakarta.servlet.jsp package contains a number of classes and interfaces that describe and define the contracts between a JSP page implementation class and the runtime environment provided for an instance of such a class by a conforming JSP container.

- Related Packages
  Package
  Description
  jakarta.servlet.jsp.el
  jakarta.servlet.jsp.tagext
  Classes and interfaces for the definition of Jakarta Pages Tag Libraries.
- Class
  Description
  ErrorData
  Contains information about an error, for error pages.
  HttpJspPage
  The HttpJspPage interface describes the interaction that a JSP Page Implementation Class must satisfy when using the HTTP protocol.
  JspApplicationContext
  Stores application-scoped information for the JSP container.
  JspContext
  `JspContext` serves as the base class for the PageContext class and abstracts all information that is not specific to servlets.
  JspEngineInfo
  The JspEngineInfo is an abstract class that provides information on the current JSP engine.
  JspException
  A generic exception known to the JSP engine; uncaught JspExceptions will result in an invocation of the errorpage machinery.
  JspFactory
  The JspFactory is an abstract class that defines a number of factory methods available to a JSP page at runtime for the purposes of creating instances of various interfaces and classes used to support the JSP implementation.
  JspPage
  The JspPage interface describes the generic interaction that a JSP Page Implementation class must satisfy; pages that use the HTTP protocol are described by the HttpJspPage interface.
  JspTagException
  Exception to be used by a Tag Handler to indicate some unrecoverable error.
  JspWriter
  The actions and template data in a JSP page is written using the JspWriter object that is referenced by the implicit variable out which is initialized automatically using methods in the PageContext object.
  PageContext
  PageContext extends JspContext to provide useful context information for when JSP technology is used in a Servlet environment.
  SkipPageException
  Exception to indicate the calling page must cease evaluation.