javax.servlet
クラス ServletException

java.lang.Object
  |
  +--java.lang.Throwable
        |
        +--java.lang.Exception
              |
              +--javax.servlet.ServletException
すべての実装インタフェース:
java.io.Serializable
直系の既知のサブクラス:
UnavailableException

public class ServletException
extends java.lang.Exception

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

バージョン:
$Version$
作成者:
Various
関連項目:
直列化された形式

コンストラクタの概要
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.
 
メソッドの概要
 java.lang.Throwable getRootCause()
          Returns the exception that caused this servlet exception.
 
クラス java.lang.Throwable から継承したメソッド
fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
 
クラス java.lang.Object から継承したメソッド
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

コンストラクタの詳細

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.

パラメータ:
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.

パラメータ:
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.

パラメータ:
rootCause - the Throwable exception that interfered with the servlet's normal operation, making the servlet exception necessary
メソッドの詳細

getRootCause

public java.lang.Throwable getRootCause()
Returns the exception that caused this servlet exception.

戻り値:
the Throwable that caused this servlet exception


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