Class ServletException

java.lang.Object

java.lang.Throwable

java.lang.Exception

javax.servlet.ServletException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

UnavailableException

public class ServletException
extends Exception

This exception is thrown by a servlet when a servlet related problem occurs.

Since:

Servlet API 1.0

Version:

Servlet API 2.2

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ServletException()	Creates a new ServletException.
ServletException(String message)	Creates a new ServletException with a message.
ServletException(String message, Throwable cause)	Creates a new ServletException with a message and what caused the exception.
ServletException(Throwable cause)	Creates a new ServletException with what caused the exception.

Method Summary

Modifier and Type	Method	Description
Throwable	getRootCause()	Gives the Throwable that caused this exception if known, otherwise null.

Methods inherited from class java.lang.Throwable

addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Details

ServletException

public ServletException()

Creates a new ServletException.

Since:

Servlet API 2.0

ServletException

public ServletException(String message)

Creates a new ServletException with a message.

Parameters:

message - why this exception occured

Since:

Servlet API 1.0

ServletException

public ServletException(String message,
 Throwable cause)

Creates a new ServletException with a message and what caused the exception.

Parameters:

message - why this exception occured

cause - what made this exception occur

Since:

Servlet API 2.1

ServletException

public ServletException(Throwable cause)

Creates a new ServletException with what caused the exception.

Parameters:

cause - what made this exception occur

message - why this exception occured

Since:

Servlet API 2.1

Method Details

getRootCause

public Throwable getRootCause()

Gives the Throwable that caused this exception if known, otherwise null.

Returns:

Throwable that caused this exception

Since:

Servlet API 2.1