请大家帮忙看下这个错误，解决马上给分~

环境：win2000+SQL2000
IDE:JBuilder2006
Server:Tomcat5.59报错信息是这样的：
2006-3-14 17:07:17 org.apache.catalina.core.StandardWrapperValve invoke
严重: Servlet.service() for servlet debugjsp threw exception
org.apache.jasper.JasperException: Unable to compile class for JSPGenerated servlet error:
Syntax error on token "import", Identifier expected after this token
好象说不能为JSP生成class文件，怎么解决啊，希望大家帮忙，先谢谢了！