Package javax.servlet
Class ServletException
java.lang.Object
java.lang.Throwable
java.lang.Exception
javax.servlet.ServletException
- All Implemented Interfaces:
Serializable
- Direct Known Subclasses:
UnavailableException
Defines a general exception a servlet can throw when it encounters difficulty.
- See Also:
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Constructor Summary
ConstructorsConstructorDescriptionConstructs a new servlet exception.ServletException(String message) Constructs a new servlet exception with the specified message.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.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. -
Method Summary
Modifier and TypeMethodDescriptionReturns the exception that caused this servlet exception.Methods inherited from class java.lang.Throwable
addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
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Constructor Details
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ServletException
public ServletException()Constructs a new servlet exception. -
ServletException
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- aStringspecifying the text of the exception message
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ServletException
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- aStringcontaining the text of the exception messagerootCause- theThrowableexception that interfered with the servlet's normal operation, making this servlet exception necessary
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ServletException
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
getLocalizedMessagemethod on theThrowableexception 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- theThrowableexception that interfered with the servlet's normal operation, making the servlet exception necessary
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Method Details
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getRootCause
Returns the exception that caused this servlet exception.- Returns:
- the
Throwablethat caused this servlet exception
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