Java开发网 - 这是出错信息是什么意思？

Topic: 这是出错信息是什么意思？

1.这是出错信息是什么意思？

Posted by: linkeca
Posted on: 2005-10-22 07:11

An error occurred at line: 23 in the jsp file: /houtaiguanli/check_addbook.jsp
Generated servlet error:
D:\Tomcat\work\Catalina\localhost\library-system\org\apache\jsp\houtaiguanli\check_005faddbook_jsp.java:87: tmp is already defined in _jspService(javax.servlet.http.HttpServletRequest,javax.servlet.http.HttpServletResponse)
byte[] tmp=book_author.getBytes("ISO8859_1");
^