javax.servlet.ServletException翻译

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javax.servlet
Class ServletException

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

UnavailableException

public class ServletException extends Exception

Defines a general exception a servlet can throw when it encounters difficulty. 定义一个通用异常，servlet遭遇麻烦时抛出。

Version:

$Version$

Author:

Various

See Also:

Serialized Form

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Constructor Summary

ServletException() Constructs a new servlet exception. 构建一个新的servlet异常。

ServletException(Stringmessage) Constructs a new servlet exception with the specified message. 构建一个指定信息的新的servlet异常。

ServletException(Stringmessage, ThrowablerootCause) 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. 构建一个新的servlet异常，servlet需要时抛出，包含妨碍正常操作（包括描述信息）的根异常信息。

ServletException(ThrowablerootCause) 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. 构建一个新的servlet异常，servlet需要时抛出，包含妨碍正常操作的根异常信息。

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Method Summary
Throwable	getRootCause() Returns the exception that caused this servlet exception. 返回引起servlet异常的异常。

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Methods inherited from class java.lang.Throwable

fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString

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Methods inherited from class java.lang.Object

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

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Constructor Detail

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ServletException

Constructs a new servlet exception. 构建一个新的servlet异常。

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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. 构建一个指定信息的新的servlet异常。该信息可以输出给 server日志或者显示给用户。

Parameters:

message - a String specifying the text of the exception message 指定异常信息文本的String

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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. 构建一个新的servlet异常，servlet需要时抛出，包含妨碍正常操作（包括描述信息）的根异常信息。

Parameters:

message - a String containing the text of the exception message 包含异常信息文本的String

rootCause - the Throwable exception that interfered with the servlet's normal operation, making this servlet exception necessary 妨碍servlet正常操作的Throwable异常，必要时构建servlet异常

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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. 构建一个新的servlet异常，servlet需要时抛出，包含妨碍正常操作的根异常信息。该异常信息基于底层异常的本地化信息。

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. 该方法调用Throwable异常的getLocalizedMessage方法来获取本地化异常信息。 当子类化ServletException时，可以重写该方法来创建专为本地化设计的异常信息。

Parameters:

rootCause - the Throwable exception that interfered with the servlet's normal operation, making the servlet exception necessary 妨碍servlet正常操作的Throwable异常，必要时构建servlet异常

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Method Detail

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getRootCause

Returns the exception that caused this servlet exception. 返回引起servlet异常的异常。

Returns:

the Throwable that caused this servlet exception 引起servlet异常的Throwable

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