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Class ServletException

java.lang.Object  |  +--java.lang.Throwable        |        +--java.lang.Exception              |              +--javax.servlet.ServletException

All Implemented Interfaces:: java.io.Serializable

Direct Known Subclasses:: UnavailableException

public classServletException
extends java.lang.Exception

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

See Also:: Serialized Form


`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.


	`getRootCause()` Returns the exception that caused this servlet exception.

Methods inherited from class java.lang.Throwable

fillInStackTrace, getLocalizedMessage, getMessage, printStackTrace, printStackTrace, printStackTrace, toString

Methods inherited from class java.lang.Object

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

ServletException

publicServletException()

Constructs a new servlet exception.

ServletException

publicServletException(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 - aString specifying the text of the exception message

ServletException

publicServletException(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 - aString containing the text of the exception message; rootCause - theThrowable exception that interfered with the servlet'snormal operation, making this servletexception necessary

ServletException

publicServletException(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 thegetLocalizedMessage method on theThrowable exception to get a localized exception message. When subclassingServletException, this method can be overridden to create an exception message designed for a specific locale.

Parameters:: rootCause - theThrowable exception that interfered with the servlet'snormal operation, making the servlet exceptionnecessary

getRootCause

public java.lang.ThrowablegetRootCause()

Returns the exception that caused this servlet exception.

Returns:: theThrowable that caused this servlet exception

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