When you install JReport Designer, which by default is located in C:\JReport\Designer, JReport Catalog Bean is also installed at the same time. After installation, you will have the main components in <install_root> as below:
JReport Catalog Bean is combined with JReport Engine Bean and is stored in the same class library called JREngine.jar. You will need to set the class path environment variable before you can compile and run the program. Append the following string to the class path:
<install_root>/lib/JREngine.jar;<install_root>/lib/log4j-1.2.8.jar