Re: Java Compiler Cannot Find the Required JAR File in the Classpath

[Kirk Wylie]

This might not solve your immediate problem, but someone responded to 
your original thread that you need to pull struts.jar out of the JDK's 
ext dir. Trust me, you really need to do this, at least if you're going 
to deploy multiple web applications using Struts in the same servlet 
container, and it's just generically good practice.

But if I might offer a suggestion, it might be a really good idea to 
spend a little bit of time learning Ant. It's really ideally suited for 
this, and by having a script setup which will produce the proper 
classpath for your application, you can make sure that you don't have 
cases where all of a sudden things stop working. It's also easy to say 
things like "compile everything in this directory, and use all the .jar 
files in this other directory in the classpath".

Just a tip. It won't get you over the initial hangup, but it's probably 
something you should investigate for the future.

Kirk Wylie
M7 Corporation
Caroline Jen wrote:

I posted this problem before.  Max and Carey answered
my post right away.  I tried and tried ....  I must be
missing something.
I really do not understand why all of a sudden that
the java compiler cannot find the required JARs in the
classpath.  I have done some similar compilation
before successfully.  My head is not sober enough to
pinpoint the problem this time. 

I am doing the compilation manually (I am not using
ANT or any IDE).
1. I have the commons-scaffold.jar in my
$TOMCAT_HOME/webapps/PracticeVersion/WEB-INF/lib
folder.
2. I have the struts.jar in both
$TOMCAT_HOME/webapps/PracticeVersion/WEB-INF/lib
folder and j2sdk1.4.1_02/jre/lib/ext folder
3. in my java program (Bean.java), I
import org.apache.commons.scaffold.text.ConvertUtils;
import
org.apache.commons.scaffold.util.ProcessBeanBase;
import org.apache.commons.scaffold.lang.Tokens;
4. I first set the classpath
C:\>set
CLASSPATH=C:\jakarta-tomcat-4.1.18-LE-jdk14/webapps/PracticeVersion/WEB-INF/src/java;%CLASSPATH% 

then, I go to the folder where Bean.java is

C:\>cd
jakarta-tomcat-4.1.18-LE-jdk14/webapps/PracticeVersion/WEB-INF/src/java/org/apache/artimus/article 

then, I try to compile and put the class file in the
destination folder
C:\jakarta-tomcat-4.1.18-LE-jdk14/webapps/PracticeVersion/WEB-INF/src/java/org/apache/artimus/article>javac 

-d
C:\jakarta-tomcat-4.1.18-LE-jdk14/webapps/PracticeVersion/WEB-INF/classes
Bean.java
But, I get compilation error:

package org.apache.commons.scaffold.text does not
exist
package org.apache.commons.scaffold.util does not
exist
package org.apache.commons.scaffold.lang does not
exist
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