The answer to this is Exception. You have to remember that various applications are immediately seen when you check out the JSPPage. If you are not familiar with the JSP page, this is a type of text document that contains static data. Take note that the static data can be expressed in different formats. JSP also stands for Java Server Pages. Some may get confused with the difference of this program with ASP and PHP.
The main difference is that this uses JAVA programming language in order to work. This can be considered as an advantage by a lot of developers because they can make a lot of applications more functional that way.
Exception-the implicit variables application and config are always available to a jsppage. the implicit variable session is available if the value of the page directivessession attribute is set to true. since it is set to true by default, the implicitvariable session is also available by default. the implicit variable exception isavailable only if the value of the page directives iserrorpage attribute is set totrue. it is set to false by default, so the implicit variable exception is notavailable by default. we have to explicitly set it to true:
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