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ServletException.javaAPI DocGlassfish v2 API4702Fri May 04 22:34:20 BST 2007javax.servlet

ServletException

public class ServletException extends Exception
Defines a general exception a servlet can throw when it encounters difficulty.
author
Various

Fields Summary
private Throwable
rootCause
Constructors Summary
public ServletException()
Constructs a new servlet exception.

	super();
    
public ServletException(String message)
Constructs a new servlet exception with the specified message. The message can be written to the server log and/or displayed for the user.

param
message a String specifying the text of the exception message

	super(message);
    
public ServletException(String message, Throwable rootCause)
Constructs a new servlet exception when the servlet needs to throw an exception and include a message about the "root cause" exception that interfered with its normal operation, including a description message.

param
message a String containing the text of the exception message
param
rootCause the Throwable exception that interfered with the servlet's normal operation, making this servlet exception necessary

	super(message, rootCause);
	this.rootCause = rootCause;
    
public ServletException(Throwable rootCause)
Constructs a new servlet exception when the servlet needs to throw an exception and include a message about the "root cause" exception that interfered with its normal operation. The exception's message is based on the localized message of the underlying exception.

This method calls the getLocalizedMessage method on the Throwable exception to get a localized exception message. When subclassing ServletException, this method can be overridden to create an exception message designed for a specific locale.

param
rootCause the Throwable exception that interfered with the servlet's normal operation, making the servlet exception necessary

	super(rootCause);
	this.rootCause = rootCause;
    
Methods Summary
public java.lang.ThrowablegetRootCause()
Returns the exception that caused this servlet exception.

return
the Throwable that caused this servlet exception

	return rootCause;