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From Konstantin Kolinko <>
Subject Re: JasperException: The value for the useBean class ___ attribute is invalid
Date Wed, 18 Apr 2012 17:08:37 GMT
2012/4/18 Chris Patterson <>:
> More on this, now I think it is some configuration issue for the tomcat
> server:
> I am using eclipse to check both JSP files, and they work without any
> problems
> in my PC. When deploying to Tomcat 5.5.35 to a sub-directory like de project
> name
> they also work fine. For example at and
> If I copy them to the main directory with a shell command:
> cp -pr * .. from the Test1 directory and undeploy the Test1 application
> then only works and but the second one,
> gives me the same (500) error:
> /prg2.jsp(26,0) The value for the useBean class attribute
> jdbcbean.Stringbean is invalid.
> Is this like a BUG ? Or perhaps something about the Java version ?
> I have the following version running on a CentOS release 5.8:
> java version "1.6.0_29"
> Java(TM) SE Runtime Environment (build 1.6.0_29-b11)
> Java HotSpot(TM) 64-Bit Server VM (build 20.4-b02, mixed mode)
> Hope this info help a little more to find a solution.

What is your experience level?

Do you know what a "web application" is?
Have you read The Servlet specification, Documentation, etc.?

Do you know where your classes must be put in a Web application?

Your "main directory" terminology does not make sense.

Best regards,
Konstantin Kolinko

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