将("jdbc:mysql://localhost/test","root","");
改为
("jdbc:mysql://localhost:3306/test","root","");
试试
改为
("jdbc:mysql://localhost:3306/test","root","");
试试
解决方案 »
- 对于有唯一索引列的表插入重复记录的问题?
- 怎么备份都失败。求解决办法
- 关于MYSQL的delimiter使用问题
- Mysql物化视图问题
- mysql 3.23 字查询不支持问题
- mysql外连接问题
- 请问这个错误是什么意思。。。Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in c:\inetpub\w
- 高手们,MYSQL 中文应该选用哪种字符集,如何选用?
- 游标遍历没执行完为什么退出呢?
- sql查询每两种商品同时出现的次数
- 如何按要求增加id值
- mysql是否支持这种格式查表: select * from 用户名.表名?????
message description The server encountered an internal error () that prevented it from fulfilling this request.exception org.apache.jasper.JasperException: Unable to compile class for JSPAn error occurred at line: 2 in the jsp file: /test.jsp
Generated servlet error:
C:\Tomcat\work\Catalina\localhost\_\org\apache\jsp\test_jsp.java:49: cannot resolve symbol
symbol : variable sqlConn
location: class org.apache.jsp.test_jsp
An error occurred at line: 2 in the jsp file: /test.jsp
Generated servlet error:
sqlConn= java.sql.DriverManager.getConnection("jdbc:mysql://localhost:3306/test","root","");
^
1 error org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:332)
org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:412)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:472)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:451)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:439)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:511)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:295)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
note The full stack trace of the root cause is available in the Apache Tomcat/5.0.27 logs.