bad class file: D:\Tomcat\webapps\dom\WEB-INF\lib\jxl.jar(jxl/Workbook.class)
class file has wrong version 50.0, should be 49.0
Please remove or make sure it appears in the correct subdirectory of the classpath.
import jxl.Workbook;
这个是什么错 我jar包都导进去了
页面编译不报错 运行的时候报错
class file has wrong version 50.0, should be 49.0
Please remove or make sure it appears in the correct subdirectory of the classpath.
import jxl.Workbook;
这个是什么错 我jar包都导进去了
页面编译不报错 运行的时候报错
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页面上也可以导入jxl里面的东西 就是运行的时候就报错了
D:\Tomcat\work\Catalina\localhost\dom\org\apache\jsp\index_jsp.java:7: cannot access jxl.Workbook
Generated servlet error:
bad class file: D:\Tomcat\webapps\dom\WEB-INF\lib\jxl.jar(jxl/Workbook.class)
class file has wrong version 50.0, should be 49.0
Please remove or make sure it appears in the correct subdirectory of the classpath.
import jxl.Workbook;
http://jooben.blog.51cto.com/253727/355292