I'm new to programming in JSP/Tomcat. I am kinda held back with the
following simple situation. I have database connection class that I'm
trying to import in my jsp file with no success so far (ChangePassword).
I am compiling with JDK1.4.2.08.
My JSP page is in
$CATALINA_HOME/webapps/mywebapp/
I do have a web.xml file that is correctly configured with passwords and
values to allow the application to connect to the user directory. This
is the stack trace of the error:
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 85 in the jsp file: /changepw.jsp
Generated servlet error:
Invalid argument to operation ++/--
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHa
ndler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.ja
va:328)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:39
7)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:288)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.ja
va:556)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.ja
va:293)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:291)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
Any ideas how to import a user-defined class in JSP, I mean where to
place the class file and is there anyother environment variable to set?
I read somewhere that if you are using jdk 1.4 and above, you need to
have package name for classes. It said to Put your webappname class in
a package, compile it and then import it like the following in your JSP
file: <%@ page import="packagename.WebAppName"%>
Again, I am new to all of this so could you possibly help me with the
issue as well as helping me to understand the potential fix as outlined
above? I would really appreciate any help you can provide.
Thanks
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