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javax.servlet.jsp

Class JspException

Known Direct Subclasses:
JspTagException
public class JspException
extends java.lang.Exception
A generic exception known to the JSP engine; uncaught JspExceptions will result in an invocation of the errorpage machinery.

Constructor Summary

JspException()
Construct a JspException
JspException(java.lang.String msg)
Constructs a new JSP exception with the specified message.
JspException(java.lang.String message, java.lang.Throwable rootCause)
Constructs a new JSP exception when the JSP needs to throw an exception and include a message about the "root cause" exception that interfered with its normal operation, including a description message.
JspException(java.lang.Throwable rootCause)
Constructs a new JSP exception when the JSP needs to throw an exception and include a message about the "root cause" exception that interfered with its normal operation.

Method Summary

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

Constructor Details

JspException

public JspException()
Construct a JspException

JspException

public JspException(java.lang.String msg)
Constructs a new JSP exception with the specified message. The message can be written to the server log and/or displayed for the user.

Parameters:
msg - a String specifying the text of the exception message

JspException

public JspException(java.lang.String message,
                    java.lang.Throwable rootCause)
Constructs a new JSP exception when the JSP 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 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

JspException

public JspException(java.lang.Throwable rootCause)
Constructs a new JSP exception when the JSP 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 JspException, this method can be overridden to create an exception message designed for a specific locale.

Parameters:
rootCause - the Throwable exception that interfered with the JSP's normal operation, making the JSP exception necessary

Method Details

getRootCause

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

Returns:
the Throwable that caused this JSP exception

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