I was working with Servlet which generates Image. I followed through the
example given in the book " Core Servlets and Java Server Pages" authored
by Marty Hall in chapter 7.
The example uses two classes:
ShadowedText.java
MessageImage.java
In the MessageImage.java class, the author uses another class
"GifEncoder.java" authored by Jef Poskanzer. GifEncoder.java is a package
and I placed the package in the C:\jdk1.3\jre\classes and compiled the
package.
The program compiles fine with the import statement:
import.JPM.Encoders.GifEncoder;
But I get a runtime error, The error is:
Error: 500
Internal Servlet Error:
java.lang.NoClassDefFoundError: Acme/JPM/Encoders/ImageEncoder
The GifEncoder class extends ImageEncoder class and GifEncoder object
uses a method(encode()) from ImageEncoder class.I also placed
ImageEncoder.java file in the C\jdk1.3\jre\classes directory and compiled it.
Does anyone know what I should do to avoid this run time error?Please
help me. If anyone knows where I should place ImageEncoder.java file,
please send me mail.Does anyone know how I can contact with Marty Hall,
please let me know.
Regards,
*************************
* *
* A.S.M. Rokanuzzaman *
* Computer Science *
* UND *
* Phone:701-777-9352 *
* *
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