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Web Component Certification (OCEJWCD)

Catching exception issue...

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Posts: 67

posted 18 years ago

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Hi, for some reason the code below always outputs the catch-all errorPage.jsp when it should output arithmeticException.jsp b/c I do ${10/0}. Can anyone see my error?

Thanks so much,
Carmen.

<html><body>
About to be bad...
<% int x = 10/0; %>
</body></html>

<error-page>
<exception-type>java.lang.ArithmeticException</exception-type>
<location>/arithmeticErrorPage.jsp</location>
</error-page>
<error-page>
<exception-type>java.lang.Throwable</exception-type>
<location>/errorPage.jsp</location>
</error-page>
<error-page>
<error-code>404</error-code>
<location>/notFoundError.jsp</location>
</error-page>

Narendra Dhande

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Posts: 951

posted 18 years ago

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Hi,

Tested Using Tomcat 5.5.7.
Show the error page releted to Throwable. But it the <exception-type>java.lang.Throwable </exception-type> removed form web.xml,show the page related to Arithmetic Exception.

Working perfectly with Sun Java System Application Server 8.1, with both entries. Properly shows the page related to ArithmeticException.

Thanks

Narendra Dhande
SCJP 1.4,SCWCD 1.4, SCBCD 5.0, SCDJWS 5.0, SCEA 5.0

Radhika Gokhale

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Posts: 40

posted 18 years ago

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So does this mean that the order in which exceptions are handled is container specific

Radhika

Carmen Brianick

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Posts: 67

posted 18 years ago

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Hi Narendra!, thanks for your help, I'll redo it, I have Tomcat 5.0.28.

Thanks so much,
Carmen

Narendra Dhande

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posted 18 years ago

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Hi Radhika,

So does this mean that the order in which exceptions are handled is container specific

The order is not important for any container. It is problem of supertype and sub-type of Exceptions. The above results are same for any order entries for <error-page>

Thanks

Narendra Dhande
SCJP 1.4,SCWCD 1.4, SCBCD 5.0, SCDJWS 5.0, SCEA 5.0

Yogesh Hingmire

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posted 18 years ago

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Hi Narendra,

From what i understand is the behaviour is different for different containers.
What should be the answer when confronted with such a question at the actual exam?

Yogesh

Narendra Dhande

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posted 18 years ago

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Hi,

You should go by Specs. It says it select the closest match.

Thanks

Narendra Dhande
SCJP 1.4,SCWCD 1.4, SCBCD 5.0, SCDJWS 5.0, SCEA 5.0

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