Package javax.servlet
Class ServletException
- java.lang.Object
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- java.lang.Throwable
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- java.lang.Exception
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- javax.servlet.ServletException
 
 
 
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- All Implemented Interfaces:
- java.io.Serializable
 - Direct Known Subclasses:
- UnavailableException
 
 public class ServletException extends java.lang.ExceptionDefines a general exception a servlet can throw when it encounters difficulty.- See Also:
- Serialized Form
 
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Constructor SummaryConstructors Constructor Description 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.
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Method SummaryAll Methods Instance Methods Concrete Methods Modifier and Type Method Description java.lang.ThrowablegetRootCause()Returns the exception that caused this servlet exception.
 
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Constructor Detail- 
ServletExceptionpublic ServletException() Constructs a new servlet exception.
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ServletExceptionpublic 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- Stringspecifying the text of the exception message
 
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ServletExceptionpublic 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- Stringcontaining the text of the exception message
- rootCause- the- Throwableexception that interfered with the servlet's normal operation, making this servlet exception necessary
 
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ServletExceptionpublic 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 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- the- Throwableexception that interfered with the servlet's normal operation, making the servlet exception necessary
 
 
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