hi to all, i have started with "beginning JSP web development" and got stuck on chapter 7 about classes. when i try to compile a code i get "cannot resolve symbol"

i followed the instruction on the book on how to install java & tomcat. I also followed the instruction on how to set the environmental variable including the CLASSPATH. I'm using windows 2000 NT. I currently have the classpath set as (under system variable):

        CLASSPATH c:\jakarta-tomcat-4.0\common\lib\servlet.jar;.

I have the files: Book.java, Book.class, TechnicalBook.java & ChildrenBook.java under the following directory:

c:\jakarta-tomcat-4.0\webapps\begjsp-ch07\WEB- INF\classes\com\wrox\library

I'm trying to compile TechicalBook and ChildrenBook and in the code it extends Book. Any help will be appreciated. Thanks.

Hi amcp2002,
Have you had any luck with this? I am having the same problem!

Hi
I suggest u kindly provide the details of error you r getting after that only i will be able to help u out.

Regards


Yashraj Chauhan
Java\J2EE Specialist
Wiley Support Team

Thanks Yashraj. Here are the details:

When I try to compile the ChildrenBook.java file
  I get the following error:
  * I have compiled the Book.java class successfully.

That's the same exact mesage I was getting. The cursor or error is pointing on the second "B" of
"public class TechnicalBook extends Book {" of the TechnicalBook.java & ChildrenBook.java

hi,

i finally get it to work after researching on the internet. I had to do the following on the c: prompt.

  cd jakarta-tomcat-4.0\webapps\begjsp-ch07\WEB-INF\classes <enter>

  and then

  javac com\wrox\library\TechnicalBook.java <enter>

  &

  javac com\wrox\library\ChildrenBook.java <enter>

I realized that this is what was exactly on the book.

This is what I have been doing all along - and I still get the same error message.

pedersen, tell me where your files are located (Book.java, Book.class, TechnicalBook.java, ChildrenBook.java, bookPage1.jsp).
Type the codes too.

Also, what do you have on the CLASSPATH variable?

acmp,
all java files are in c:\Program files\Apache Software Foundation\Tomcat 5.0\webapps\objects\WEB-INF\classes\booklibrary (haven't got to the jsp page yet).

CLASSPATH variable is .;C:\Program Files\SQLLIB\java\db2java.zip;C:\Program Files\SQLLIB\java\runtime.zip;C:\Program Files\SQLLIB\java\sqlj.zip;C:\Program Files\SQLLIB\bin;%CATALINA_HOME%\common\lib\servle t-api.jar; - is this relevant? as the book said nothing about setting the java tools in the class path, only in the PATH?

Cheers,
Ped

Hi
To compile ChildrenBook.java and TechnicalBook.java you have to set the following classpath.

javac -classpath "c:\jakarta-tomcat-4.0\webapps\begjsp-ch07\WEB-INF\classes" ChildrenBook.java

same for the TechnicalBook.java

Hope this helps



Yashraj Chauhan
Java\J2EE Specialist
Wiley Support Team