jsp 连接mysql报错 [问题点数:100分,结帖人jsjxieyang]

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The duplicate definition has been ignored.rn2010-9-17 14:41:41 org.apache.coyote.http11.Http11Protocol startrn信息: Starting Coyote HTTP/1.1 on http-8081rn2010-9-17 14:41:41 org.apache.jk.common.ChannelSocket initrn信息: JK: ajp13 listening on /0.0.0.0:8018rn2010-9-17 14:41:41 org.apache.jk.server.JkMain startrn信息: Jk running ID=0 time=0/31 config=nullrn2010-9-17 14:41:41 org.apache.catalina.startup.Catalina startrn信息: Server startup in 23163 msrnselect distinct(a.userid),a.userno,username,a.pwd from sys_users a where usernrno='admin'rncom.<em>mysql</em>.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown character setrn: 'macce'rn at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)rnrn at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructrnorAccessorImpl.java:39)rn at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCrnonstructorAccessorImpl.java:27)rn at java.lang.reflect.Constructor.newInstance(Constructor.java:513)rn at com.<em>mysql</em>.jdbc.Util.handleNewInstance(Util.java:406)rn at com.<em>mysql</em>.jdbc.Util.getInstance(Util.java:381)rn at com.<em>mysql</em>.jdbc.SQLError.createSQLException(SQLError.java:1030)rn at com.<em>mysql</em>.jdbc.SQLError.createSQLException(SQLError.java:956)rn at com.<em>mysql</em>.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3491)rn at com.<em>mysql</em>.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3423)rn at com.<em>mysql</em>.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936)rn at com.<em>mysql</em>.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)rn at com.<em>mysql</em>.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2536)rn at com.<em>mysql</em>.jdbc.ConnectionImpl.configureClientCharacterSet(ConnectionIrnmpl.java:1751)rn at com.<em>mysql</em>.jdbc.ConnectionImpl.initializePropsFromServer(ConnectionImprnl.java:3425)rn at com.<em>mysql</em>.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2045)rn at com.<em>mysql</em>.jdbc.ConnectionImpl.(ConnectionImpl.java:718)rn at com.<em>mysql</em>.jdbc.JDBC4Connection.(JDBC4Connection.java:46)rn at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)rnrn at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructrnorAccessorImpl.java:39)rn at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingCrnonstructorAccessorImpl.java:27)rn at java.lang.reflect.Constructor.newInstance(Constructor.java:513)rn at com.<em>mysql</em>.jdbc.Util.handleNewInstance(Util.java:406)rn at com.<em>mysql</em>.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:302)rn at com.<em>mysql</em>.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.javarn:282)rn at java.sql.DriverManager.getConnection(DriverManager.java:582)rn at java.sql.DriverManager.getConnection(DriverManager.java:185)rn at com.Hwsoft.oa.util.DbUtil.openConnection(DbUtil.java:19)rn at com.Hwsoft.oa.util.BaseDao.queryOne(BaseDao.java:116)rn at com.Hwsoft.oa.dao.impl.sys.UserDaoImpl.checkLogin(UserDaoImpl.java:10rn1)rn at com.Hwsoft.oa.servlet.Login.doPost(Login.java:75)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)rn at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplrnicationFilterChain.java:290)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFrnilterChain.java:206)rn at com.Hwsoft.oa.filter.EncodingFilter.doFilter(EncodingFilter.java:25)rn at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplrnicationFilterChain.java:235)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFrnilterChain.java:206)rn at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperVrnalve.java:233)rn at org.apache.catalina.core.StandardContextValve.invoke(StandardContextVrnalve.java:175)rn at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.jrnava:128)rn at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.jrnava:102)rn at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:rn568)rn at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValrnve.java:109)rn at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.javrna:286)rn at org.apache.coyote.http11.Http11Processor.process(Http11Processor.javarn:844)rn at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.procernss(Http11Protocol.java:583)rn at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:44rn7)rn at java.lang.Thread.run(Thread.java:619)rnrn这是我<em>连接</em><em>mysql</em>数据库用户名密码登陆时报的错,请问是什么原因我是用ssh做的
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org.hibernate.cfg.SettingsFactory.createConnectionProvider(SettingsFactory.java:425)rn at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:89)rn at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2119)rn at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2115)rn at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1339)rn at com.lyc.sql.LoginSQl.login(LoginSQl.java:18)rn at com.lyc.Action.LoginAction.execute(LoginAction.java:26)rn at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)rn at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)rn at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)rn at java.lang.reflect.Method.invoke(Method.java:597)rn at com.opensymphony.xwork2.DefaultActionInvocation.invokeAction(DefaultActionInvocation.java:452)rn at com.opensymphony.xwork2.DefaultActionInvocation.invokeActionOnly(DefaultActionInvocation.java:291)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:254)rn at com.opensymphony.xwork2.interceptor.DefaultWorkflowInterceptor.doIntercept(DefaultWorkflowInterceptor.java:176)rn at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.validator.ValidationInterceptor.doIntercept(ValidationInterceptor.java:263)rn at org.apache.struts2.interceptor.validation.AnnotationValidationInterceptor.doIntercept(AnnotationValidationInterceptor.java:68)rn at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.ConversionErrorInterceptor.intercept(ConversionErrorInterceptor.java:133)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)rn at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.ParametersInterceptor.doIntercept(ParametersInterceptor.java:207)rn at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.StaticParametersInterceptor.intercept(StaticParametersInterceptor.java:190)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at org.apache.struts2.interceptor.MultiselectInterceptor.intercept(MultiselectInterceptor.java:75)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at org.apache.struts2.interceptor.CheckboxInterceptor.intercept(CheckboxInterceptor.java:94)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at org.apache.struts2.interceptor.FileUploadInterceptor.intercept(FileUploadInterceptor.java:243)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.ModelDrivenInterceptor.intercept(ModelDrivenInterceptor.java:100)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.ScopedModelDrivenInterceptor.intercept(ScopedModelDrivenInterceptor.java:141)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at org.apache.struts2.interceptor.debugging.DebuggingInterceptor.intercept(DebuggingInterceptor.java:267)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.ChainingInterceptor.intercept(ChainingInterceptor.java:142)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.PrepareInterceptor.doIntercept(PrepareInterceptor.java:166)rn at com.opensymphony.xwork2.interceptor.MethodFilterInterceptor.intercept(MethodFilterInterceptor.java:98)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.I18nInterceptor.intercept(I18nInterceptor.java:176)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at org.apache.struts2.interceptor.ServletConfigInterceptor.intercept(ServletConfigInterceptor.java:164)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.AliasInterceptor.intercept(AliasInterceptor.java:190)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at com.opensymphony.xwork2.interceptor.ExceptionMappingInterceptor.intercept(ExceptionMappingInterceptor.java:187)rn at com.opensymphony.xwork2.DefaultActionInvocation.invoke(DefaultActionInvocation.java:248)rn at org.apache.struts2.impl.StrutsActionProxy.execute(StrutsActionProxy.java:52)rn at org.apache.struts2.dispatcher.Dispatcher.serviceAction(Dispatcher.java:485)rn at org.apache.struts2.dispatcher.ng.ExecuteOperations.executeAction(ExecuteOperations.java:77)rn at org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter.doFilter(StrutsPrepareAndExecuteFilter.java:91)rn at 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[img=https://img-bbs.csdn.net/upload/201905/15/1557908895_541693.jpg][/img]
linux 连接mysql报错
各位大侠救救我哦,搞了一天了,火大!rn<em>报错</em>:rn/tmp/ccKxvD8n.o(.text+0x22): In function `main':rn: undefined reference to `<em>mysql</em>_init'rn/tmp/ccKxvD8n.o(.text+0x6f): In function `main':rn: undefined reference to `<em>mysql</em>_real_connect'rn/tmp/ccKxvD8n.o(.text+0xa8): In function `main':rn: undefined reference to `<em>mysql</em>_close'rncollect2: ld returned 1 exit statusrn网上查了下,感觉都对的,不知道为何,我的编译命令如下rn gcc -o testMysql -l<em>mysql</em>client -lz -I /usr/include/<em>mysql</em>/ -L /usr/lib/<em>mysql</em>/ testMysql.crn用的是<em>mysql</em> 5.0.22 server,clent 和develrn程序是exc用户的rn<em>mysql</em>是root用户下的rn我将程序改成root用户的运行编译还是不行rn对应的目录均安装正确我已检查过了rn程序如下:rnrn#include rn#include rn#include rnint main(int argc,char * argv[])rn MYSQL * conn_ptr;rn conn_ptr=<em>mysql</em>_init(NULL);rn if(!conn_ptr)rn fprintf(stderr,"<em>mysql</em>_init failed\n");rn return EXIT_FAILURE;rn rn conn_ptr=<em>mysql</em>_real_connect(conn_ptr,"192.168.240.101","tianjin","tianjin","tjdb2",0,NULL,0);rn if(conn_ptr)rn printf("connection success\n");rn elsern printf("connection failed\n");rn rn <em>mysql</em>_close(conn_ptr);rn return EXIT_SUCCESS;rnrn rn rnrnrn
mysql连接报错
<em>mysql</em>运行报The server time zone value 'Öйú±ê׼ʱ¼ä' is unrecognized or represents more than one time zone 解决方法: 运行语句:set GLOBAL time_zone='+8:00';
web工程下连接mysql 报错!!!!!!
环境: rn MyEclipse6.0,Tomcat6.0,MySQL5.0 自己测试东西,客户端和服务端都在本机 数据库也在本机rn我的web工程发布后,页面不能操作数据库,注意是<em>连接</em>正常,是不能做操作。我在程序里添加了一个main方法后在控制台运行 没有任何问题。rnrn我的语句:rn         conn = DBUtil.getConnection();rnrn String sql = "select * from student";rn System.out.println(sql);rn try rn PreparedStatement pstmt = conn.prepareCall(sql);  ///////这里出错了rn // set valuesrn pstmt.setString(1, username);rn pstmt.setString(2, password);rnrn ResultSet rs = pstmt.executeQuery();rnrn // 判断rn if (rs.next()) rn login = true;rn rnrn pstmt.close();rn catch (SQLException e) rn e.printStackTrace();rn //System.out.println(e.getMessage());rn finally // set nothingrn if (conn != null) rn try rn conn.close();rn catch (SQLException e) rn e.printStackTrace();rn rn rn rnrnweb访问时报的错误是:   (如果我是查询就 报: "table.student" does not exist )rnrn   com.<em>mysql</em>.jdbc.exceptions.MySQLSyntaxErrorException: FUNCTION * does not existrn at com.<em>mysql</em>.jdbc.SQLError.createSQLException(SQLError.java:936)rn at com.<em>mysql</em>.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:2870)rn at com.<em>mysql</em>.jdbc.MysqlIO.sendCommand(MysqlIO.java:1573)rn at com.<em>mysql</em>.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:1665)rn at com.<em>mysql</em>.jdbc.Connection.execSQL(Connection.java:3118)rn at com.<em>mysql</em>.jdbc.Connection.execSQL(Connection.java:3047)rn at com.<em>mysql</em>.jdbc.Statement.executeQuery(Statement.java:1166)rn at com.<em>mysql</em>.jdbc.DatabaseMetaData.getCallStmtParameterTypes(DatabaseMetaData.java:1269)rn at com.<em>mysql</em>.jdbc.DatabaseMetaData.getProcedureColumns(DatabaseMetaData.java:3668)rn at com.<em>mysql</em>.jdbc.CallableStatement.determineParameterTypes(CallableStatement.java:638)rn at com.<em>mysql</em>.jdbc.CallableStatement.(CallableStatement.java:453)rn at com.<em>mysql</em>.jdbc.Connection.parseCallableStatement(Connection.java:4365)rn at com.<em>mysql</em>.jdbc.Connection.prepareCall(Connection.java:4439)rn at com.<em>mysql</em>.jdbc.Connection.prepareCall(Connection.java:4413)rn at com.bobo.student.dao.StudentManager.checkUser(StudentManager.java:28)rn at com.bobo.student.web.LoginCheck.doPost(LoginCheck.java:28)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:710)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)rn at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)rn at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)rn at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)rn at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)rn at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)rn at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)rn at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)rn at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:844)rn at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:634)rn at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:445)rn at java.lang.Thread.run(Unknown Source)rnrn我在main中测试 :DBUtil.getConnection().createStatement().execute("select * from student");  rn没有任何问题!!!!所以我觉得应该不时驱动问题!! 我坛子里也逛了 好像说是什么MYSQL权限问题!!!rn
连接 mysql 报错
<em>连接</em><em>mysql</em><em>报错</em>如下:rnrnMySQLDriverCS.MySQLException: MySQLDriverCS Exception: rnMySQLDriverCS Error: can't connect.Access denied for user: 'ODBC@localhost' (Using password: NO)rnrnapp.cofig:rn[code=C#]rnrnrn rn rn rn rn rn rnrn[/code]rnrn本机使用 url 测试过localhost 和127.0.0.1 都<em>报错</em>。rnrn程序中的调用如下:rn[code=C#]rnstring url = System.Configuration.ConfigurationManager.AppSettings["url"];rn string database = System.Configuration.ConfigurationManager.AppSettings["database"];rn string uname = System.Configuration.ConfigurationManager.AppSettings["uname"];rn string psd = System.Configuration.ConfigurationManager.AppSettings["psd"];rnrnSqlConnection conn = new SqlConnection(@"data source= rn " + url + ";uid=" + uname + ";pwd=" + psd + ";database=" + database);rn conn.Open();rn[/code]rn
DBlinq 连接MySql 报错!
UserSystem us1 = new UserSystem();rn us1.UsID = 4;rn us1.UsName = "呵呵呵额";rn ticket.UserSystem.InsertOnSubmit(us1);rn ticket.SubmitChanges();rn rnrn这只是一个测试用的数据,但是当执行到:ticket.SubmitChanges();时 <em>报错</em>rnrnrn无法将类型为“MySql.Data.MySqlClient.MySqlTransaction”的对象强制转换为类型“System.Data.Common.DbTransaction”rnrn怎样解决,问题很急
连接mySQL报错的问题
[img=https://img-bbs.csdn.net/upload/201407/30/1406699876_135688.jpg][/img]rnrn“Authentication to host 'localhost' for user 'root' using method '<em>mysql</em>_native_password' failed with message:Access denied for user 'root'@'localhost' (using password:YES)”rnrn前提:使用的系统是xp 2002 64位,非管理员用户。rnrn这个具体是什么原因造成的?怎么解决?
jsp连接mysql
通过<em>jsp</em>来<em>连接</em><em>mysql</em>的全代码,可运行
Eclipse jsp连接mysql
同样的代码,添加了<em>mysql</em>-connector-java-5.1.15-bin.jar到Build Path。rn[code=Java]rnrnrnrn);rn如果注释掉改行就出现:rnNo suitable driver found for jdbc:<em>mysql</em>://localhost/clientsmanager?user=kong&password=kongrn这是怎么回事?
JSP连接MySQL的问题
Connection conn=DriverManage.getConnection(url,username,password);rn Statement stmt=conn.createStatement();rn ResultSet rs=stmt.executeQuery("select* from tb_user");rn请问,我在<em>jsp</em>页面中加入这几段代码的时候,<em>报错</em>了,由于初学<em>连接</em>数据库,希望各位大虾跟我说说<em>jsp</em><em>连接</em>MYSQL数据库的步骤,尽量详细易懂,感激不尽!
win200下JSP连接MYSQL
请教大家,我在WIN2000下用JSP<em>连接</em>MYSQL的环境配置顺序应该怎样做啊,我的机子上原来有了用JSP<em>连接</em>MS SQL SERVER,所以只要配通MYSQL就行了,下载了<em>mysql</em>-4.0.1win和<em>mysql</em>-connector-java-3.0.9-stable.安装后环境变量应该配置成什么啊,能不能给我讲个完整的顺序,谢谢。再就是,我的<em>mysql</em>-connector-java-3.0.9-stable解压后生成一个<em>mysql</em>-connector-java-3.0.9-stable文件夹,该文件夹下有三个文件夹其中又有一个<em>mysql</em>-connector-java-3.0.9-stable文件夹所以不知道环境变量应该写到哪儿。
请教:jsp,mysql连接???
driver=jdbc.weblogic.mssqlserver4.Driverrnurl=jdbc:weblogic:mssqlserver4:softdc:1433?user=bbsadmin&password=bbsadminrn能帮我分析一下这句话的意思吗?rn如果我用rndriver=org.git.mm.<em>mysql</em>.driverrn那么url=??什么呢?rn多谢指点。
jsp连接mysql数据库问题。
首先感谢您能抽出宝贵时间来帮组我解决问题。rn我的情况是这样的:<em>jsp</em><em>连接</em><em>mysql</em>数据库,通过<em>mysql</em>connector/J来<em>连接</em>。rn1。<em>jsp</em>已经可以正常运行。(apache+tomcat+mod_jk.so)rn2。<em>mysql</em>版本:3.23.54a。并且已经能够正常运行。同时做了如下操作:rn=》清理一些不必要的东西:rn =》删除test库:rn =》有关用户及其权限保存在<em>mysql</em>数据库中,其中关键是db表和user表,将db表清空rn =》然后对user库进行清理,并进行刷新:rn ><em>mysql</em> delete from user where user='' or host='localhost';rn ><em>mysql</em> flush privileges;rn=》建立一个用于测试的新的数据库:rn=》<em>mysql</em>>create database my_test;rn=》在这个库中建立一个数据表:rn=》<em>mysql</em>>create table my_test_table(test_column char(20) not null);rn=》<em>mysql</em>>insert into my_test_table values ('Hello,I'm MySQL!');rn=》grant命令建立一个新的用户shimin,该用户只对my_test这个库有SELECT、UPDATE、INSERT以及DELETE的权限。该用户的密码也是shimin:rn=》<em>mysql</em>>grant SELECT,UPDATE,INSERT,DELETE on my_test.* to shimin identified by 'shimin';rnrn3。jdbc:<em>mysql</em>connector/J。装于/<em>mysql</em>connector2.0.14下.rn4。将上述路径加入到classpath中。rn5。在Tomcat的/webapps/examples/WEB-INF/classes下建立一个<em>mysql</em>test目录,将该文件保存在这个目录中,DBconn.java用来封装与数据库链接的操作。DBconn.java的内容如下:rn package Mysqltest;rn import java.sql.*;rn public class DBconnrn String DBDriver="com.<em>mysql</em>.jdbc.Driver";rn String ConnStr="jdbc:<em>mysql</em>://school:3306/my_test";rn String MyUser="shimin";rn String MyPassword="shimin";rn Connection conn = null;rn ResultSet rs = null;rn public DBconn()rn tryrn Class.forName(DBDriver);rn rn catch(java.lang.ClassNotFoundException e)rn System.err.println("DBconn (): " + e.getMessage());rn rn rn public ResultSet executeQuery(String sql)rn rs = null;rn tryrn conn = DriverManager.getConnection(ConnStr,MyUser,MyPassword);rn Statement stmt = conn.createStatement();rn rs = stmt.executeQuery(sql);rn rn catch(SQLException ex)rn System.err.println("aq.executeQuery:"+ex.getMessage());rn rn return rs;rn rn rn6。利用JDK的Javac命令编译DBconn.java形成相应的class文件。rn =》cd /tomcat4112/webapps/examples/WEB-INF/classes/<em>mysql</em>test/rn =》javac -g -verbose DBconn.javarn7。在Tomcat的/webapps/examples/<em>jsp</em>目录下建立Mysqltest.<em>jsp</em>文件。其内容如下:rn rn rn rn rn8。结果出现如下错误:rn
jsp连接mysql数据库问题
请问:Mysql的JDBC驱动程序怎么使用?我已经得到驱动(一个jar)。是考到lib目录下就可以了?rn以下代码中的那个url:jdbc:<em>mysql</em>://localhost:4040/test 各部分是什么意思?rn请指点,我的测试不成功rnrn%@ page contentType="text/html;charset=GBK" %>rnrnrnrnrn 学习rnrnrnrnrnrnrnrn
jsp连接mysql出错
一个JSP设计rn这个设计在朋友的机子上没有任何问题 通过了所有的测试 但是拿回我电脑后 <em>连接</em>就老是出问题 rntype Exception report rnrnmessage rnrndescription The server encountered an internal error () that prevented it from fulfilling this request. rnrnexception rnrnorg.apache.jasper.JasperException: Unable to compile class for JSP: rnrnAn error occurred at line: 8 in the generated java file rnOnly a type can be imported. com.mchange.v2.c3p0.DataSources resolves to a package rnrnAn error occurred at line: 5 in the <em>jsp</em> file: /zxdc/common/inc.<em>jsp</em> rnDataSources cannot be resolved rn2: rn3: ); rnrnrnStacktrace: rnorg.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:92) rnorg.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330) rnorg.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:423) rnorg.apache.jasper.compiler.Compiler.compile(Compiler.java:308) rnorg.apache.jasper.compiler.Compiler.compile(Compiler.java:286) rnorg.apache.jasper.compiler.Compiler.compile(Compiler.java:273) rnorg.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566) rnorg.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317) rnorg.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320) rnorg.apache.jasper.servlet.JspServlet.service(JspServlet.java:266) rnjavax.servlet.http.HttpServlet.service(HttpServlet.java:803)
jsp连接mysql的驱动
本包中包含了<em>jsp</em><em>连接</em><em>mysql</em>的驱动程序
jspmysql连接问题
String url="jdbc:<em>mysql</em>://localhost/"+dbName+"?user="+userName+"&password="+userPasswd+";rnrn其中的dbname指你<em>连接</em>的数据库名?rnuser password指的又是什么? rnrn谢谢!!
jsp连接mysql的问题
我在自学<em>jsp</em>,最近在<em>连接</em><em>mysql</em>上遇到了问题,好几天都没解决了,在这里向大虾们请教了。rnjakarta-tomcat-4.1.31加上mm.<em>mysql</em>-2.0.14-bin.jar。驱动装到commom/lib下了rn然后用了一个简单<em>jsp</em>测试,代码如下:rn rnrn rn就<em>报错</em>:rnjavax.servlet.ServletException: Communication failure during handshake. Is there a server running on localhost:3306?rn at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:498)rn at org.apache.<em>jsp</em>.ceshi_<em>jsp</em>._<em>jsp</em>Service(ceshi_<em>jsp</em>.java:55)rn at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:92)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)rn at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:162)rn at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:240)rn at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:187)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)rn at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:200)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:146)rn at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:209)rn at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)rn at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:144)rn at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)rn at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)rn at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)rn at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)rn at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:118)rn at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)rn at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)rn at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)rn at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127)rn at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)rn at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)rn at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)rn at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)rn at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)rn at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)rn at java.lang.Thread.run(Thread.java:534)rnrn望大虾们帮帮忙啊!急!!!
JSP连接MYSQL服务器
我申请空间的数据库是用MYSQL,它的数据的字符集是ISO8859-1的,请问要创建<em>连接</em>时要不要定义字符集信息啊,还有要插入信息跟提取信息时要不要进行转换啊,希望有具体点的回答
Jsp连接MySQL问题
小弟出学Jsp ,在<em>连接</em>MySQL时遇到麻烦请帮忙看看rnrnrn rnrnrn<em>连接</em>结果是 rnSuccess loading Mysql Driver! SQLException: Communication failure during handshake. Is there a server running on localhost:3306? SQLState: null VendorError: 0 rn我用MySQL-front 是可以连上的rn
jsp连接MySQL出现异常
运行<em>jsp</em>文件时会出现下面的异常:rnjavax.servlet.ServletException: org.gjt.mm.<em>mysql</em>.Driverrn org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)rn org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)rn org.apache.<em>jsp</em>.first_<em>jsp</em>._<em>jsp</em>Service(first_<em>jsp</em>.java:81)rn org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rn org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)rn org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)rn org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rnrnrnroot cause rnrnjava.lang.ClassNotFoundException: org.gjt.mm.<em>mysql</em>.Driverrn org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1340)rn org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1189)rn org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:148)rn org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:69)rn java.lang.ClassLoader.loadClassInternal(Unknown Source)rn java.lang.Class.forName0(Native Method)rn java.lang.Class.forName(Unknown Source)rn org.apache.<em>jsp</em>.first_<em>jsp</em>._<em>jsp</em>Service(first_<em>jsp</em>.java:47)rn org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rn org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)rn org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)rn org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rnrnrn我的<em>jsp</em>代码如下:rn rn rn rn rn rn您的第一个字段内容为: rn您的第二个字段内容为: rn rn rn rn rnl>
JSP连接Mysql步骤
It's pretty good!!! Very useful!!!
JSP连接MYSQL的源码
JSP<em>连接</em>MYSQL的源码,利用TOMMAT在浏览器里显示
JSP连接MySQL实例
CREATE TABLE bukee ( id int(6) NOT NULL auto_increment, url varchar(100) default '#', name varchar(20) default NULL, email varchar(50) default '#', qq varchar(20) default NULL, sj va...
mysql连接连接JSP
 现在假如项目目录名为: testMYSQL数据库用户名为:root ,数据库密码为:<em>jsp</em>MYSQL建立一个数据库为:<em>jsp</em>test首先写一个跟开发项目名相同的xml文件:test.xml程序代码:                                                                factory                   org.apac
jsp连接mysql问题
从网上下了个留言板程序,但是运行不起来,这几行代码的值应该如何配置,请大侠们帮帮忙,谢谢 系统是linux的rn#news.txt rndriver=org.gjt.mm.<em>mysql</em>.Driver rnrn<em>mysql</em>.url=jdbc:<em>mysql</em>://localhost/news rnrn<em>mysql</em>.user= rnrn<em>mysql</em>.password= rnrn<em>mysql</em>.maxconn=1000 rnrnlogfile=C:\\ilog.txt
JSP登录界面与MySQL连接
package mypackage;rnrnimport java.sql.*;rnrnimport javax.servlet.http.HttpSession;rnrnpublic class yhrn rn public static void main(String [] args) rn rn String driver = "com.<em>mysql</em>.jdbc.Driver";rn String url = "jdbc:<em>mysql</em>://localhost/mydatabase";rn String user = "root";rn String password = "123456";rn rn tryrn rn yhxx yh=new yhxx();rn String username = request.getParameter("username");rn String pwd = request.getParameter("pwd");rn yh.setUsername(username);rn yh.setPassword(pwd);rn Class.forName(driver);rn Connection con = DriverManager.getConnection(url,user,password);rn String insert = "insert yh(username,pwd) values(?,?)";rn PreparedStatement prestatement = con.prepareStatement(insert);rn prestatement.setString(1,username);rn prestatement.setString(2,pwd);rn prestatement.execute();rn con.close();rn catch(SQLException e)rn rn e.printStackTrace();rn catch (ClassNotFoundException e) rn // TODO Auto-generated catch blockrn e.printStackTrace();rn rn rn rn rnrn rn<em>报错</em>:Exception in thread "main" java.lang.Error: Unresolved compilation problems: rn request cannot be resolvedrn request cannot be resolvedrn request cannot be resolvedrnrn at mypackage.yh.main(yh.java:32)rnrnrnJavaBean的内容:rnpackage yh;rnrnpublic class yhxx rn private String username="";rn private String password="";rn public String getPassword() rn return password;rn rn public void setPassword(String password) rn this.password = password;rn rn public String getUsername() rn return username;rn rn public void setUsername(String username) rn this.username = username;rn rn rn rnrnrnrnrnrnrnrn下面是我的JSP文件;rnrnrnrnrn rn login.<em>jsp</em> rn rn rn rn rn rn rn rn JSP_Servlet Examplern rn rn username:rn rn rn rn password:rn rn rn rn rn rn rn rn rn rnrnrn大概在提交数据与Java文件进行数据提交时有问题,请大家帮帮忙改下错。rn
JSP连接Mysql全过程!
问题一:rn驱动下载地址?rn问题二:rn驱动下载完,要做什么?rn问题三:rn驱动安装完了?要怎么过<em>连接</em>数据库?rn问题四:rn给个比较好的例子说明。
jsp mysql连接问题
<em>mysql</em>test.<em>jsp</em>rnrnrnrnrnrnrnrnrnrn运行时,接口程序,有问题。rn具体错误如下:rnjava.lang.ClassNotFoundException: org.gjt.mm.<em>mysql</em>.Driverrnrn但是在javabean和java中,代码一样,运行时一切正常。rn我不知道是哪里的问题,在<em>jsp</em>中和数据库进行<em>连接</em>要进行特殊设置吗。rn而且这个文件我以前测试过是可以的。
jspmysql连接问题
<em>jsp</em>无法与<em>mysql</em>的库建立<em>连接</em>,死活调不动<em>mysql</em>的库,请大家给看看问题出在哪里rn显示出错信息为:“无法加载驱动程序:org.gjt.mm.<em>mysql</em>.Driver 无法加载驱动程序:” rnrn本人基本配置为:jdk1.3+Tomcat4.0+<em>mysql</em>4.0.1+mm.<em>mysql</em>.jdbc-1.2crnjdk,Tomcat均已经配置好,以下为我的CLASSPATH:rnE:\javacode;rnE:\javatools\jdk\lib\tools.jar;rnE:\javatools\jdk\src.jar;rnE:\javatools\Apache Tomcat 4.0\lib;rnE:\javatools\Apache tomcat4.0\webapps;rnE:\javatools\mm.<em>mysql</em>.jdbc-1.2c;rnE:\javatools\mm.<em>mysql</em>.jdbc-1.2c\<em>mysql</em>_comp.jar;rnE:\javatools\mm.<em>mysql</em>.jdbc-1.2c\<em>mysql</em>_uncomp.jarrnrn以下为代码:(<em>mysql</em>中的库和表均已经建好)rnrnrnrnrnrnrn 新增纪录(Record)范例rnrnrnrnrn
jspmysql连接问题
我在下在完<em>mysql</em>的jdbc驱动程序后,如何设置其路径,并编写测试程序
Jsp,Mysql连接
connectdb.javarn代码rnpackage db;rnrnimport java.sql.*;rnrnrnpublic class connectdb rn String databaseName="";rn String tableName="";rn String user="";rn String sercet="";rn StringBuffer queryResult;rn public connectdb()rn rn queryResult=new StringBuffer();rn try rn Class.forName("com.<em>mysql</em>.jdbc.Driver");rn catch (ClassNotFoundException e) rn System.out.print("222");rn rn rn public String getDatabaseName() rn return databaseName;rn rn public void setDatabaseName(String s) rn databaseName=s.trim();rn queryResult=new StringBuffer();rn rn public String getTableName() rn return tableName;rn rn public void setTableName(String s) rn tableName=s.trim();rn queryResult=new StringBuffer();rn rn public String getUser() rn return user;rn rn public void setUser(String s) rn user=s.trim();rn queryResult=new StringBuffer();rn rn public String getSercet() rn return sercet;rn rn public void setSercet(String s) rn sercet=s.trim();rn queryResult=new StringBuffer();rn rn rn public StringBuffer getQueryResult()rn Connection con;rn Statement sql;rn ResultSet rs;rn rn try rn queryResult.append(" ");rn String user = "zc";rn String password = sercet;rn rn con=DriverManager.getConnection("jdbc:<em>mysql</em>://localhost/factory",user,password);//factory为数据库名rn DatabaseMetaData metadata=con.getMetaData();rn ResultSet rs1=metadata.getColumns(null,null,tableName,null);rn int n=0;rn queryResult.append(" ");rn while(rs1.next())rn rn n++;rn String clumnName=rs1.getString(4);rnrn queryResult.append(" "+clumnName+"");rn rn rn queryResult.append("");rn sql=con.createStatement();rn rs=sql.executeQuery("select*from"+tableName);rn while(rs.next())rn rn queryResult.append(" ");rn for(int k=1;krnrnrnrnrnrn rn rn rn rn 输入数据库的名字rn rn 输入表的名字rn rn 输入用户名称rn rn 输入密码rn rn rn rn rn rn 在表查询到的记录:rn rn rn rnrn出现异常,请各位高手帮帮忙,刚学数据库,谢谢了!
jsp连接 mysql 的问题
rn rn rn rn rn 测试 rn rn rn rn rn rn rnrnrn我用以上代码<em>连接</em><em>mysql</em> ,老是出错。rnrn错误信息如下:rnjavax.servlet.ServletException: org.gjt.mm.<em>mysql</em>.Driverrn org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)rn org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)rn org.apache.<em>jsp</em>.sql1_<em>jsp</em>._<em>jsp</em>Service(sql1_<em>jsp</em>.java:89)rn org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rn org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)rn org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)rn org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rnrn请问是不是少了对<em>mysql</em> 的数据<em>连接</em>驱动呀,rn那驱动程序又在那里下载安装呀。
JSP连接MySQL出现问题!
我建了一个 UserBeanCL类如下rn//进行帐号验证的Users处理类,封装对users表进行的操作rnpackage com.liang;rnimport java.sql.*;rnimport javax.servlet.http.*;rnpublic class UserBeanCL rn private Connection ct = null;rn private Statement st = null;rn private ResultSet rs = null; rn public boolean checkUser(String user,String passwd)rn boolean check=false;rn try rn //建立<em>连接</em>rn connectDB con=new connectDB();rn ct=con.getConnection();rn st=ct.createStatement();rn //查询数据库中是否存在该用户,若存在则将该用户密码取出做进一步验证rn rs=st.executeQuery("select userpasswd from users where username='"+user+"'");rn if(rs.next())//验证密码是否正确rn rn String DBpasswd=rs.getString(1);rn if(DBpasswd.equals(passwd))rn check=true;rn rn rn catch(Exception ex)rn ex.printStackTrace();rn finallyrn tryrn if(rs!=null)rn rn rs.close();rn rs=null;rn rn if(ct!=null)rn rn ct.close();rn ct=null;rn rn if(st!=null)rn rn st.close();rn st=null;rn rn catch(Exception e)rn e.printStackTrace();rn rn rn return check;rn rn rn //释放<em>连接</em>rn public void close()rn tryrn if(rs!=null)rn rn rs.close();rn rs=null;rn rn if(ct!=null)rn rn ct.close();rn ct=null;rn rn if(st!=null)rn rn st.close();rn st=null;rn rn catch(Exception ex)rn ex.printStackTrace();rn rn rnrnrn<em>连接</em>MySQL类如下:rn//<em>连接</em>MySQLrnpackage com.liang;rnimport java.sql.*;rnpublic class connectDB rn private Connection ct=null;rn private String url = "jdbc:<em>mysql</em>://localhost:3306/bookDB"; //定位MySQLrn public Connection getConnection()rn tryrn //建立与MySQL的<em>连接</em>rn Class.forName("org.gjt.mm.<em>mysql</em>.Driver").newInstance();rn Class.forName("com.<em>mysql</em>.jdbc.Driver");rn ct = DriverManager.getConnection(url, "root", "");rn catch(Exception ex)rn ex.printStackTrace();rn rn return ct;rn rnrnrn在登录用的JSP里rnrnrnrnrn 登录界面rn rnrnrn rn 图书管理系统 rnrnrn rn 用户名:rn rnrn 密码 :rn rn rnrnrn rnrnrnrn还有LoginCL.<em>jsp</em>:rnrnrnrnrnrn rn rn rn My JSP 'LoginCL.<em>jsp</em>' starting pagern rn rn rn rn rn rn rnrn rn rn rnrn rnrn问题是输入正确的帐号密码后,依然登不进去,帐号密码是数字不存在中文乱码问题,执行到st=ct.createStatement();显示at java.lang.Thread.run(Unknown Source)rnrn弄了半天还是不知道问题在哪?之前同样的代码用在servlet上完全没有问题。求大神指点!!!rn
JSP连接MYSQL 问题!!
rnrnrnrnrnrnrnrnrnrnrnrn我已经把JDBC 驱动拷贝到C:\Tomcat 5.0\common\lib 下,数据库test \表db 字段id num 都是text类型,里面有一条记录,rn当我运行上面代码时候 会出现如下的显示:rnrnid|numrnp |pppprnrn数据库操作成功,恭喜你 rnrn让我难以理解的是 那个p |pppp 是什么东西 数据库的数据没出来 ,p |pppp到出来了 为什么???rnrn
JSP连接MySQL问题
今天刚刚装了MySQL,尝试用JSP<em>连接</em>但是出现下面这样的错误,请大侠指点指点rnexception rnrnjavax.servlet.ServletException: The connection property 'useUnicode' only accepts values of the form: 'true', 'false', 'yes' or 'no'. The value 'true;characterEncoding' is not in this set.rn org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:825)rn org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:758)rn org.apache.<em>jsp</em>.test2_<em>jsp</em>._<em>jsp</em>Service(test2_<em>jsp</em>.java:85)rn org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rn org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)rn org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)rn org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rnrnrnroot cause rnrnjava.sql.SQLException: The connection property 'useUnicode' only accepts values of the form: 'true', 'false', 'yes' or 'no'. The value 'true;characterEncoding' is not in this set.rn com.<em>mysql</em>.jdbc.ConnectionProperties$ConnectionProperty.validateStringValues(ConnectionProperties.java:2258)rn com.<em>mysql</em>.jdbc.ConnectionProperties$BooleanConnectionProperty.initializeFrom(ConnectionProperties.java:2342)rn com.<em>mysql</em>.jdbc.ConnectionProperties$ConnectionProperty.initializeFrom(ConnectionProperties.java:2158)rn com.<em>mysql</em>.jdbc.ConnectionProperties.initializeProperties(ConnectionProperties.java:1953)rn com.<em>mysql</em>.jdbc.Connection.initializeDriverProperties(Connection.java:3087)rn com.<em>mysql</em>.jdbc.Connection.(Connection.java:405)rn com.<em>mysql</em>.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:270)rn java.sql.DriverManager.getConnection(DriverManager.java:512)rn java.sql.DriverManager.getConnection(DriverManager.java:193)rn org.apache.<em>jsp</em>.test2_<em>jsp</em>._<em>jsp</em>Service(test2_<em>jsp</em>.java:50)rn org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rn org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)rn org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)rn org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rnrn小弟不胜感激
jSP课件(与MYSQL连接
相当不错,jSP课件(与MYSQL<em>连接</em>),来学学吧
jsp 连接 mysql数据库问题
昨晚忙到现在,一直为这个问题烦恼, 试了很多种方法,后来发现,jar包只要导入到web底下的WEB_INF目录然后添加下环境就ok了
jspmysql连接??
String url="jdbc:<em>mysql</em>://localhost/"+dbName+"?user="+userName+"&password="+userPasswd+";rnrnrnrn其中的dbNmae user password指的是哪一个?rndbName应该是你所<em>连接</em>的数据库名称?rn那user password指的是哪个用户密码?rn谢谢!!
MySQL与JSP连接
JSP和MySQL<em>连接</em>的关键代码,可测试,
JSP连接MySql的例子
记录一下今天学到的JSP<em>连接</em><em>mysql</em>数据库的方法。 1、在MySQL中创建一个表格 create database One; //创建数据库 use One; //使用该数据库 create table emp( empno int(4) primary key, ename varchar(10), job varchar(9...
jspmysql连接问题
<em>jsp</em>和<em>mysql</em><em>连接</em>的url只能是rn"jdbc:<em>mysql</em>://localhost:3306/book"rn不能更改吗,我要把数据库book拷贝到我的<em>jsp</em>程序目录怎么办?rnrn改成"jdbc:<em>mysql</em>://localhost:8080/<em>jsp</em>/book"却<em>连接</em>不上,请问是怎么回事?rnrn 谢谢!!!rnrnrn
jsp与MYSQL连接的问题
驱动接口程序<em>连接</em>失败!!org.gjt.mm.<em>mysql</em>.Driverrn请问是什么原因?我已经把org目录拷贝到resin-2.1.0\doc\web-inf\classes\目录下了。
JSP与MYSQL之间的连接
[b][size=14px][color=#008080]有没有好一点的JSP斑主在线呀??我用JSP<em>连接</em>MYSQL数据库连不成功呀?想知道JSP与MYSQL之间的全部<em>连接</em>过程。。rnrn如果斑主知道就告诉我一下。从JDBC说起吧?我用的代码如下:[/color][/size][/b] rn rn rn rn rn您的第一个字段内容为: rn您的第二个字段内容为: rn rn rn rn rn rnrnrnrn[color=#FF0000]在网上找的。结果<em>报错</em>。出错提示:[/color]rnrntype Exception reportrnrnmessage rnrndescription The server encountered an internal error () that prevented it from fulfilling this request.rnrnexception rnrnjavax.servlet.ServletException: com.<em>mysql</em>.jdbc.Driverrn org.apache.jasper.runtime.PageContextImpl.doHandlePageException(PageContextImpl.java:867)rn org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:800)rn org.apache.<em>jsp</em>.database.conn_<em>jsp</em>._<em>jsp</em>Service(conn_<em>jsp</em>.java:75)rn org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:856)rn org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)rn org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)rn org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:856)rnrnrnroot cause rnrnjava.lang.ClassNotFoundException: com.<em>mysql</em>.jdbc.Driverrn org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1366)rn org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1213)rn org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:184)rn org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:110)rn java.lang.ClassLoader.loadClassInternal(Unknown Source)rn java.lang.Class.forName0(Native Method)rn java.lang.Class.forName(Unknown Source)rn org.apache.<em>jsp</em>.database.conn_<em>jsp</em>._<em>jsp</em>Service(conn_<em>jsp</em>.java:43)rn org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:133)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:856)rn org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:311)rn org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:301)rn org.apache.jasper.servlet.JspServlet.service(JspServlet.java:248)rn javax.servlet.http.HttpServlet.service(HttpServlet.java:856)rnrnrnnote The full stack trace of the root cause is available in the Tomcat logs.rnrnrn[b][color=#339966]rn这是这个问题帮我解决一下,想知道如何判断JDBC是否成功。。[/color][/b][size=14px][/size]
JSP连接Mysql问题!!!!
rn rn rnrnrn <em>连接</em>数据库rnrnrnrn 通过纯Java驱动程序<em>连接</em>数据库rnrnrnrnrnHTTP Status 500 - rnrn--------------------------------------------------------------------------------rnrntype Exception reportrnrnmessage rnrndescription The server encountered an internal error () that prevented it from fulfilling this request.rnrnexception rnrnorg.apache.jasper.JasperException: An exception occurred processing JSP page /MyJsp.<em>jsp</em> at line 43rnrn这是什么问题?红色那行就是line 43rn
mysqljsp连接问题
自己下载了<em>mysql</em>与appserver,现在appserver安装后可以使用,可是没有办法将<em>jsp</em>与<em>mysql</em>进行<em>连接</em>,在地址栏输入本地的<em>jsp</em>文件打开的是源代码或者缺少了很多的部分。网上查询说需要一个Java驱动并放在服务器的类路径下。rn可是我不知道具体放在哪里。我安装的是appserv2.5.10,<em>mysql</em>是5.1.1.36,下载的Java驱动为<em>mysql</em>-connector-java-3.1.14.tar.gzrn请各位指点哪里出了问题以及解决方法。rn谢谢
jsp连接mysql 出现问题?
<em>jsp</em><em>连接</em><em>mysql</em> 出现问题? 是用MyEclipse开发的。rn结果产生错误。如下。rn2009-4-2 20:09:32 org.apache.catalina.core.StandardWrapperValve invokern严重: Servlet.service() for servlet <em>jsp</em> threw exceptionrnorg.apache.jasper.JasperException: Unable to compile class for JSP: rnrnStacktrace:rn at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:85)rn at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:330)rn at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:415)rn at org.apache.jasper.compiler.Compiler.compile(Compiler.java:308)rn at org.apache.jasper.compiler.Compiler.compile(Compiler.java:286)rn at org.apache.jasper.compiler.Compiler.compile(Compiler.java:273)rn at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:566)rn at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:308)rn at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:320)rn at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:266)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)rn at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)rn at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:228)rn at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)rn at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)rn at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:104)rn at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)rn at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:216)rn at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:866)rn at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:716)rn at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1498)rn at java.lang.Thread.run(Thread.java:619)rnrnrn原代码如下。:rnrn rn rn rn rn rn   rn   rn   rn  您的第一个字段内容为: rn  您的第二个字段内容为: rn   rn   rn   rn rn rn
jsp连接mysql乱码问题!!
<em>jsp</em><em>连接</em><em>mysql</em>乱码问题,头痛啊搞了这么久!问也问不清楚!直接远程桌面<em>连接</em>我qq:491671642,在线等好心人的施救。
JSP 连接 MySql的问题
我 mm.<em>mysql</em>-2.0.4-bin.jar 文件放在了Tomcat的Common下的Lib下,并且添加了test虚拟目录rn用如下的JSP代码调用MySql自带的test数据库rn------------------------------------------------------------------rnrnrnrn 您的第一个字段内容为:rn rn rn rnrn--------------------------------------------------------------------rn总是出现下面这个错误,不知道怎么解决,请大家帮帮忙!!!rnrntype Exception reportrnrnmessage Internal Server Errorrnrndescription The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.rnrnexception rnrnjavax.servlet.ServletException: sun/tools/javac/Mainrn at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:485)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)rn at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)rn at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)rn at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)rn at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)rn at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2343)rn at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)rn at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)rn at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)rn at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)rn at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1012)rn at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1107)rn at java.lang.Thread.run(Thread.java:534)rnrnrnroot cause rnrnjava.lang.NoClassDefFoundError: sun/tools/javac/Mainrn at org.apache.jasper.compiler.SunJavaCompiler.compile(SunJavaCompiler.java:136)rn at org.apache.jasper.compiler.Compiler.compile(Compiler.java:272)rn at org.apache.jasper.servlet.JspServlet.loadJSP(JspServlet.java:552)rn at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:177)rn at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:189)rn at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)rn at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)rn at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)rn at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:243)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)rn at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:190)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)rn at org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)rn at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2343)rn at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)rn at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)rn at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)rn at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)rn at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)rn at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)rn at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1012)rn at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1107)rn at java.lang.Thread.run(Thread.java:534)rnrn怎么搞定啊
jspmysql连接的问题
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jsp 连接mysql的问题!
我<em>连接</em><em>mysql</em>时出现的错误:rnjavax.servlet.ServletException: Communications link failure due to underlying exception: rnrn** BEGIN NESTED EXCEPTION ** rnrnjava.net.SocketExceptionrnMESSAGE: java.net.ConnectException: Connection refused: connectrnrnSTACKTRACE:rnrnjava.net.SocketException: java.net.ConnectException: Connection refused: connectrn at com.<em>mysql</em>.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:156)rn at com.<em>mysql</em>.jdbc.MysqlIO.(MysqlIO.java:284)rn at com.<em>mysql</em>.jdbc.Connection.createNewIO(Connection.java:2565)rn at com.<em>mysql</em>.jdbc.Connection.(Connection.java:1485)rn at com.<em>mysql</em>.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:266)rn at java.sql.DriverManager.getConnection(DriverManager.java:525)rn at java.sql.DriverManager.getConnection(DriverManager.java:193)rn at org.apache.<em>jsp</em>.ch7.test_<em>jsp</em>._<em>jsp</em>Service(test_<em>jsp</em>.java:55)rn at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:94)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rn at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:324)rn at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:292)rn at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:236)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)rn at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:237)……rn rnrnrn我的<em>jsp</em>源文件: rnrnrn rn rn rn rn title rn rn rn rn rn rnrnrnclasspath:rnrnC:\Program Files\Java\jdk1.5.0\lib\<em>mysql</em>-connector-java-3.1.13-bin.jar;C:\Program Files\Java\<em>mysql</em>-connector-java-3.1.13\<em>mysql</em>-connector-java-3.1.13-bin.jar;C:\Program Files\Java\jdk1.5.0\lib\tools.jar;C:\Program Files\Java\jdk1.5.0\lib\dt.jar;D:\Tomcat 5.0\common\lib\servlet-api.jar;
JSP连接MYSQL的模板。
小弟在学习JSP。rn希望大侠给个 JSP<em>连接</em>MYSQL的模板。rn<em>连接</em>上 SQL ,能实现查询。显示就OK。rn在线等待。rn分只给1人。。
jsp连接mysql的问题!
源码:rnrnrnrn jdbc testrnrnrn rn rnfancy是我建的一个数据库,tbuser是其中的一个表。rnrn在tomcat4.0下有问题:rnA Servlet Exception Has OccurredrnException Report:rnjavax.servlet.ServletException: Unable to load class org.gjt.mm.<em>mysql</em>.Driverrn at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:481)rn at _0002fjdbctest_0002e<em>jsp</em>jdbctest_<em>jsp</em>_4._<em>jsp</em>Service(_0002fjdbctest_0002e<em>jsp</em>jdbctest_<em>jsp</em>_4.java:88)rn at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)rn at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:184)rn at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:328)rn at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:407)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)rn at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:251)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:977)rn at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:196)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:977)rn at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2041)rn at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)rn at org.apache.catalina.valves.ValveBase.invokeNext(ValveBase.java:242)rn at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:414)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:975)rn at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:159)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:977)rn at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:818)rn at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:897)rn at java.lang.Thread.run(Thread.java:484)rnrnRoot Cause:rnjava.lang.ClassNotFoundException: Unable to load class org.gjt.mm.<em>mysql</em>.Driverrn at org.apache.jasper.servlet.JasperLoader.findClass(JasperLoader.java:223)rn at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:147)rn at java.lang.ClassLoader.loadClass(ClassLoader.java:253)rn at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:313)rn at java.lang.Class.forName0(Native Method)rn at java.lang.Class.forName(Class.java:120)rn at _0002fjdbctest_0002e<em>jsp</em>jdbctest_<em>jsp</em>_4._<em>jsp</em>Service(_0002fjdbctest_0002e<em>jsp</em>jdbctest_<em>jsp</em>_4.java:57)rn at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:119)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)rn at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:184)rn at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:328)rn at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:407)rn at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)rn at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:215)rn at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:251)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:977)rn at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:196)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:977)rn at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2041)rn at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161)rn at org.apache.catalina.valves.ValveBase.invokeNext(ValveBase.java:242)rn at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:414)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:975)rn at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:159)rn at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:977)rn at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:818)rn at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:897)rn at java.lang.Thread.run(Thread.java:484)rnclasspath中类路径已经<em>连接</em>好。rn请各位大哥帮帮忙啊!!!rn谢!!!rnrn
JSP连接mysql的问题
我用jbuilder9来写<em>jsp</em>和<em>mysql</em><em>连接</em>,每次在调试状态,这句总是异常,rnClass.forname("com.<em>mysql</em>.jdbc.Driver");rn错误提示:noregisteringDriver,我已经引入了<em>mysql</em> jdbc driver了。rn可是运行却没有任何错误,不知什么原因??rn谁遇到过这个问题,请提示如何来配置。
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那位朋友能详细介绍一下关于<em>jsp</em>和<em>mysql</em><em>连接</em>的例子。rn我在odbc中已经成功<em>连接</em>上数据库,但进入dw<em>连接</em>数据库时,rn用‘服务器上的驱动程序’提示‘HTTP错误405不允许使用改方法’rn用‘使用此机器上的驱动程序’提示‘org/gjt/mm/<em>mysql</em>/Driver Class not found’rn不知道这个问题如何解决,请各位朋友帮忙。 rn
jsp 连接mysql
rnrnrnrnrn rn <em>连接</em>rnrnrnrnrnrn [color=#993300] 运行时结果:失败!!!!!!!!!!!!!!![/color]rn 大家帮帮忙!
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老师布置的作业,用<em>jsp</em><em>连接</em><em>mysql</em>数据库。我准备了3个文件,index。<em>jsp</em>用于从表单中获取数据(用户名和密码),JDBConnection.java是一个javabean。check。<em>jsp</em>用于检验用户输入的数据(先获取传递过来的用户名和密码,然后检索数据库,做比较,进行简单的判断)。操蛋的j2ee老师,你让我们这些没学java的人情何以堪啊。。。。。rn+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++rn代码:rnindex。<em>jsp</em>rn[code=Assembly]rnrnrnrnrnrn rn rn rn My JSP 'index.<em>jsp</em>' starting pagern rn rn rn rn rnrn rn rn rn rn rn 用户名:rn 密码:rn rn rn rn rn rnrnrn[/code]rn+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++rnJDBConnection.java(在包yours下)的源码:rn[code=Assembly]package yours;rnrnimport java.sql.Connection;rnimport java.sql.DriverManager;rnimport java.sql.ResultSet;rnimport java.sql.SQLException;rnimport java.sql.Statement;rnrnpublic class JDBConnectionrnrn private final String dbDriver="com.<em>mysql</em>.jdbc.Driver";rn private final String url="jdbc:<em>mysql</em>://localhost:3306/char1_2";rn private final String userName="root";rn private final String password="1991016";rn private Connection con;rn public JDBConnection()rn rn tryrn Class.forName(dbDriver).newInstance();rn rn catch (Exception e)rn rn System.out.println("未能成功加载驱动!");rn rn rn public boolean createConnection()rn rn tryrn con=DriverManager.getConnection(url,userName,password);rn con.setAutoCommit(true);rn catch(SQLException e)rn rn return false;rn rn return true;rn rn public ResultSet executeQuery(String sql)rn rn ResultSet rs;rn tryrn rn if(con==null)rn createConnection();rn Statement stmt =con.createStatement();rn rs=stmt.executeQuery(sql);rn catch(Exception e)rn rn return null;rn rn return rs;rn rn public void closeConnection()rn rn rn rn if(con!=null)rn rn tryrn con.close();rn catch(SQLException e)rn rn rn rn rn rn rnrn[/code]rn+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++rn[code=Assembly]rnrnrnrnrnrn rn rn rn My JSP 'check.<em>jsp</em>' starting pagern rn rn rn rn rn rn rnrn rn rn rn rnrnrn rn rnrn[/code]rn但是始终无法得到结果,他们说驱动有问题,想请大虾帮忙解惑。。。rn
关于jsp连接mysql
请问,<em>jsp</em><em>连接</em><em>mysql</em>一定要更新驱动程序么?rn怎么弄啊?rn谢谢大家!
jsp连接MYSQL数据库问题..........
搞了一个通宵了还是连不上,急死了....rn我在java中以可以连上,下面把<em>jsp</em>代码和java代码贴出来给大家看看,高手请指教,谢谢.rnrn-----<em>jsp</em>代码-----rnrnrnrnrnrn rn 无标题文档rnrnrnrnrnrn-------出错为---------rnjava.lang.ClassNotFoundException: com.<em>mysql</em>.jdbc.Driverrnjava.sql.SQLException: No suitable driver rnrn****************************************************************************rn-------java代码--------rn// Java Documentrn//装入驱动程序rnimport java.sql.*;rnrnpublic class LoadDriverrnrn public static void main(String[] args)rn rn String userName = "zzit";rn String userPassword = "123456";rn String dbName = "zzit";rn String url = "jdbc:<em>mysql</em>://localhost:3306/" + dbName + "?user=" + userName + "&password=" + userPassword;rn tryrn Class.forName("com.<em>mysql</em>.jdbc.Driver").newInstance();rn rn catch(Exception ex)rn System.out.println(ex);rn rn tryrn Connection conn = DriverManager.getConnection(url);rn Statement statement = conn.createStatement();rn String sql = "SELECT * FROM test1";rn ResultSet rs = statement.executeQuery(sql);rn ResultSetMetaData rmeta = rs.getMetaData();rn while( rs.next())rn System.out.print(rs.getString(1)+" ");rn System.out.print("|");rn System.out.print(rs.getString(2)+" ");rn System.out.println(" ");rn rn rs.close();rn statement.close();rn conn.close();rn rn catch(Exception ex)rn System.out.print(ex);rn rn rnrn---------java代码运行成功-------------------rnrn如果我的驱动配置不成功那么java也运行不成功才对,为什么java运行成功,而<em>jsp</em>却运行不成功?rn驱动为: <em>mysql</em>-connector-java-3.1.12-bin.jarrntomcat为: 5.5.16
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