javax.servlet
Class ServletException
Exceptionjavax.servlet.ServletException
public class ServletException
extends Exception
Defines a general exception a servlet can throw when it
encounters difficulty.
ServletException()- Constructs a new servlet exception.
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ServletException(String message)- Constructs a new servlet exception with the
specified message.
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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.
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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.
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Throwable | getRootCause()- Returns the exception that caused this servlet exception.
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ServletException
public ServletException()
Constructs a new servlet exception.
ServletException
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.
message - a String
specifying the text of
the exception message
ServletException
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.
message - a String containing
the text of the exception messagerootCause - the Throwable exception
that interfered with the servlet's
normal operation, making this servlet
exception necessary
ServletException
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.
rootCause - the Throwable exception
that interfered with the servlet's
normal operation, making the servlet exception
necessary
getRootCause
public Throwable getRootCause()
Returns the exception that caused this servlet exception.
- the
Throwable
that caused this servlet exception