ERROR Publishing Engine could not be initialized.

Hi I have Installed cocoon-1.8.2 with tomcat ver 3.2.1 using professional-2000. when I try http://localhost:8080/cocoon/cocoon.xml I get following error : Publishing Engine could not be initialized. java.lang.RuntimeException: Exception when creating " org.apache.cocoon.processor.xsp.XSPProces

ERROR Publishing Engine could not be initialized.

Hi I have Installed cocoon-1.8.2 with tomcat ver 3.2.1 using professional-2000. when I try http://localhost:8080/cocoon/cocoon.xml I get following error : Publishing Engine could not be initialized. java.lang.RuntimeException: Exception when creating " org.apache.cocoon.processor.xsp.XSPProces