jsp连接mysql报错，在tomcat下

[jhonson]

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

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 JSP

An error occurred at line: 8 in the jsp file: /future/admin/user/userMain.jsp

Generated servlet error:
[javac] Compiling 1 source file

E:\jboss-3.0.6_tomcat-4.1.18\tomcat-4.1.x\work\Standalone\localhost\canyin\future\admin\user\userMain_jsp.java:48: ';' expected



An error occurred at line: 8 in the jsp file: /future/admin/user/userMain.jsp

Generated servlet error:
String url ="jdbc:mysql://localhost/future?user=root&password=111111&useUnicode=true&characterEncoding=8859_1"
^



An error occurred at line: 8 in the jsp file: /future/admin/user/userMain.jsp

Generated servlet error:
E:\jboss-3.0.6_tomcat-4.1.18\tomcat-4.1.x\work\Standalone\localhost\canyin\future\admin\user\userMain_jsp.java:54: cannot resolve symbol
symbol : variable conn
location: class org.apache.jsp.userMain_jsp
Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
^



An error occurred at line: 35 in the jsp file: /future/admin/user/userMain.jsp

Generated servlet error:
E:\jboss-3.0.6_tomcat-4.1.18\tomcat-4.1.x\work\Standalone\localhost\canyin\future\admin\user\userMain_jsp.java:85: cannot resolve symbol
symbol : variable conn
location: class org.apache.jsp.userMain_jsp
conn.close();
^
3 errors


at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:130)
at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:293)
at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:340)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:352)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:474)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:184)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2415)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:223)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:432)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:386)
at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:534)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:530)
at java.lang.Thread.run(Thread.java:536)



--------------------------------------------------------------------------------

Apache Tomcat/4.1.18-LE-jdk14

[jhonson]

<%@ page contentType="text/html;charset=gb2312"%>

<%@ page import="java.sql.*"%>

<html>

<body>

<%Class.forName("org.gjt.mm.mysql.Driver").newInstance();

String url ="jdbc:mysql://localhost/future?user=root&password=111111&useUnicode=true&characterEncoding=8859_1"

//testDB为你的数据库名

Connection conn= DriverManager.getConnection(url);

Statement stmt=conn.createStatement(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);

String sql="select * from sys_user_info";

ResultSet rs=stmt.executeQuery(sql);

while(rs.next()) {%>

您的第一个字段内容为：<%=rs.getString(1)%> <br>
您的第二个字段内容为：<%=rs.getString(2)%> <br>
您的第三个字段内容为：<%=rs.getString(3)%> <br>
您的第四个字段内容为：<%=rs.getString(4)%> <br>
您的第五个字段内容为：<%=rs.getString(5)%> <br>


<%}%>

<%out.print("数据库操作成功，恭喜你");%>

<%rs.close();

stmt.close();

conn.close();

%>

</body>

</html>

[匪六哥]

String url ="jdbc:mysql://localhost/future?user=root&password=111111&useUnicode=true&characterEncoding=8859_1" 后少；

[匪六哥]

添上就应该没问题了。少“；”导致conn没成功实例化。