（struts）换了一下JDK包，出现严重错误，改回来也没用，大家帮帮忙！！！！！！！！

Question

把编译JSP去掉,运行时不出错就行了

Answer 1

用旧有的J2SE和J2EE包重新编译JSP。

Answer 2

这是详细信息：
D:\JBuilder9\jdk1.4\demo\jfc\Java2D\Java2Demo.jar\bin\java -classpath "D:\JBuilder9\thirdparty\jakarta-tomcat-4.1.24-LE-jdk14\common\lib\ant.jar;D:\JBuilder9\thirdparty\jakarta-tomcat-4.1.24-LE-jdk14\common\lib\jasper-compiler.jar;D:\JBuilder9\thirdparty\jakarta-tomcat-4.1.24-LE-jdk14\common\lib\jasper-runtime.jar;D:\JBuilder9\thirdparty\jakarta-tomcat-4.1.24-LE-jdk14\common\lib\naming-common.jar;D:\JBuilder9\thirdparty\jakarta-tomcat-4.1.24-LE-jdk14\common\lib\naming-factory.jar;D:\JBuilder9\thirdparty\jakarta-tomcat-4.1.24-LE-jdk14\common\lib\naming-resources.jar;D:\JBuilder9\thirdparty\jakarta-tomcat-4.1.24-LE-jdk14\common\lib\servlet.jar;D:\JW\classes;D:\JBuilder9\thirdparty\jakarta-tomcat-4.1.24-LE-jdk14\common\lib\servlet.jar;C:\Program Files\Microsoft SQL Server 2000 Driver for JDBC\lib\msbase.jar;C:\Program Files\Microsoft SQL Server 2000 Driver for JDBC\lib\mssqlserver.jar;C:\Program Files\Microsoft SQL Server 2000 Driver for JDBC\lib\msutil.jar;D:\JBuilder9\lib\jdom.jar;D:\JBuilder9\lib\xercesImpl.jar;D:\JBuilder9\lib\xmlParserAPIs.jar;C:\lib\log4j-1.2.8.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\struts.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\commons-beanutils.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\commons-collections.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\commons-digester.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\commons-fileupload.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\commons-lang.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\commons-logging.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\commons-validator.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\jakarta-oro.jar;C:\jakarta-struts-1.1\jakarta-struts-1.1\lib\struts-legacy.jar;C:\lib\mail.jar;D:\JBuilder9\jdk1.4\demo\jfc\Java2D\Java2Demo.jar;D:\JBuilder9\jdk1.4\demo\plugin\jfc\Java2D\Java2Demo.jar;D:\JBuilder9\jdk1.4\jre\lib\charsets.jar;D:\JBuilder9\jdk1.4\jre\lib\ext\dnsns.jar;D:\JBuilder9\jdk1.4\jre\lib\ext\ldapsec.jar;D:\JBuilder9\jdk1.4\jre\lib\ext\localedata.jar;D:\JBuilder9\jdk1.4\jre\lib\ext\sunjce_provider.jar;D:\JBuilder9\jdk1.4\jre\lib\im\indicim.jar;D:\JBuilder9\jdk1.4\jre\lib\jaws.jar;D:\JBuilder9\jdk1.4\jre\lib\jce.jar;D:\JBuilder9\jdk1.4\jre\lib\jsse.jar;D:\JBuilder9\jdk1.4\jre\lib\rt.jar;D:\JBuilder9\jdk1.4\jre\lib\sunrsasign.jar;D:\JBuilder9\jdk1.4\lib\dt.jar;D:\JBuilder9\jdk1.4\lib\htmlconverter.jar;D:\JBuilder9\jdk1.4\lib\tools.jar" org.apache.jasper.JspC -d "D:/JW/classes/Temporary_Files/.jsp/JW" -c addresearch_0002ejsp_jsp -uriroot "D:/JW" "D:/JW/research/addresearch.jsp" "addresearch.jsp": Invocation Error