Class ServletException


Package javax.servlet

public class ServletException
extends java.lang.Exception

Defines a general exception a servlet can throw when it encounters difficulty.

Class ServletException Constructor

Constructor Summary
ServletException()
Constructs a new servlet exception.
ServletException(java.lang.String message)
Constructs a new servlet exception with the specified message.
ServletException(java.lang.String message, java.lang.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.
ServletException(java.lang.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.


ServletException


public ServletException()

Constructs a new servlet exception.

ServletException


public ServletException(java.lang.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.

Parameters

message - a String specifying the text of the exception message

ServletException

public ServletException(java.lang.String message,
java.lang.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.

Parameters

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

ServletException


public ServletException(java.lang.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.

Parameters

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

Class ServletException Method

Method Summary
java.lang.ThrowablegetRootCause()
Returns the exception that caused this servlet exception.


Class ServletException Method Detail

getRootCause


public java.lang.Throwable getRootCause()

Returns the exception that caused this servlet exception.

Returns

The Throwable that caused this servlet exception

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