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无法连接 Tomcat 6 和 oracle 10g XE for jsp 数据库连接

[英]Can't connect Tomcat 6 and oracle 10g XE for jsp database connectivity

 原文  2011-08-14 12:05:50  3   4    java/ sql/ eclipse/ jsp

问题描述

I am using Eclispe ganymede,tomcat6 and oracle 10g XE.我正在使用 Eclispe ganymede、tomcat6 和 oracle 10g XE。 I have connected all of them.Everything is working fine.我已经连接了所有这些。一切正常。

But I have created a jsp file which creates a table in database that is not working.但是我创建了一个 jsp 文件，该文件在数据库中创建了一个不起作用的表。 There is no error.没有错误。 But when I check into database there is no table created.但是当我签入数据库时，没有创建表。

My coding:我的编码：

    <%@ page language="java" contentType="text/html; charset=ISO-8859-1" pageEncoding="ISO-8859-1"%>
    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
    <title>Insert title here</title>
    </head>
    <body>
    <%@page import="java.sql.*" %>
    <%
    Connection con=null;
      try
    {
                Class.forName("oracle.jdbc.driver.OracleDriver");
        con=DriverManager.getConnection("jdbc:oracle:thin:@localhost:1521:XE","system","123");
        Statement stmt=con.createStatement();
        stmt.executeUpdate("create table Black ( "
                  + "   id INT PRIMARY KEY, firstName VARCHAR(20), lastName VARCHAR(20), "
                  + "   title VARCHAR(20), salary INT " + ")");
        out.println("Table Created");

    }
    catch(ClassNotFoundException e)
    {
        out.println(e.getMessage());
    }
    catch(NamingException e)
    {
    out.println(e.getMessage());    
    }
    finally
    {
        try
        {

            if(con!=null)
                con.close();

        }
        catch(SQLException e)
        {
        }
    }
    %>

    </body>
    </html>

This is what error says:这就是错误所说的：

java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source java.lang.ClassNotFoundException: oracle.jdbc.driver.OracleDriver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233 ) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) at java.lang.ClassLoader.loadClassInternal(Unknown Source ) 在 java.lang.Z9BD81329FEDBF6EFE22.forName0(Native Method) 的 java.lang.Class.forName0(Native Method) ) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterC ) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet. java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet .JspServlet.service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterC hain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.co hain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org .apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve .java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.co nnector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source) java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLo nnector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java: 583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source) java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver at org .apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLo ader.java:1233) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) at java.lang.ClassLoader.loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717 ader.java:1233) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) at java.lang.ClassLoader .loadClassInternal(Unknown Source) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org. apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717 ) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.ZB6EFD606D ) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet. service(JspServlet.java:267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina .core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.ZB6EFD606D 118D0F62066E31419FF04CCZ.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.ZB6EFD606D118 118D0F62066E31419FF04CCZ.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve. java:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11 .Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.ZB6EFD606D118 D0F62066E31419FF04CCZ.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source) java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) at java.lang.ClassLoader.loadClassInternal(Unknown Source D0F62066E31419FF04CCZ.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source) java.lang.ClassNotFoundException: oracle.jdbc.OracleDriver at org.apache.catalina. loader.WebappClassLoader.loadClass(WebappClassLoader.java:1387) at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1233) at org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:128)在 org.apache.jasper.servlet.JasperLoader.loadClass(JasperLoader.java:66) 在 Z93F725A07423FE1C889F6UnknownB33D21F46Z:66) ) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java ) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Unknown Source) at org.apache.jsp.data_jsp._jspService(data_jsp.java:73) at org.apache.jasper.runtime .HttpJspBase.service(HttpJspBase.java:70) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374) at org. apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:342) at org.apache.jasper.servlet.JspServlet.service(JspServlet.java :267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.Z93F725A07423FE1C889F448B33D21F4 :267) at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) at org.apache.catalina.core.ApplicationFilterChain. doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) at org.apache .catalina.core.StandardHostValve.invoke(StandardHostValve.java:128) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.Z93F725A07423FE1C889F448B33D21F4 6Z:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:454) at java.lang.Thread.run(Unknown Source) 6Z:102) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293) at org.apache.coyote.http11 .Http11Processor.process(Http11Processor.java:849) at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:583) at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint .java:454）在 java.lang.Thread.run（未知来源）

Now anyone tell me how to connect this program to database.现在有人告诉我如何将这个程序连接到数据库。

4 个解决方案

解决方案1
 2  2011-08-14 12:14:28

What is the output, is there a stacktrace?什么是 output，有堆栈跟踪吗？ Have you defined the datasource as testdb?您是否将数据源定义为 testdb？

You shouldnt anyway be doing sql-statements from a JSP page, put the sql-statements behind a DAO or use Hibernate or similar ORM tool.无论如何，您都不应该从 JSP 页面执行 sql 语句，将 sql 语句放在 DAO 后面或使用 Hibernate 或类似的 ORM 工具。

Here is thehttp://www.oracle.com/technetwork/database/features/jdbc/index-091264.html download page for Oracles JDBC drivers. Here is thehttp://www.oracle.com/technetwork/database/features/jdbc/index-091264.html download page for Oracles JDBC drivers. Take the matching one for your database, and the matching version of your Java vm.为您的数据库选择匹配的一个，以及您的 Java vm 的匹配版本。 And put it under your tomcats lib/ directory.并将其放在您的 tomcats lib/ 目录下。

解决方案2
 1  2011-08-14 13:27:42

Any exceptions raised?.提出任何异常？ Don't use JDBC connection code in Jsp.Instead keep in a DAO class.不要在 Jsp 中使用 JDBC 连接代码。而是保留在 DAO class 中。

Or Jsp tab libraries can be used.或者可以使用 Jsp 选项卡库。

SQL Tag Library SQL 标签库

Check this link to solve the issue.检查此链接以解决问题。

Oracle.jdbc. Oracle.jdbc。 driver.OracleDriver problem driver.OracleDriver 问题

解决方案3
 1  2012-01-10 14:15:57

You need to include the ojdbc14.jar file in your Deployment Assembly in your project.您需要在项目的部署程序集中包含 ojdbc14.jar 文件。 Using eclipse:使用 eclipse：

proj --> properties --> Deployment Assembly --> Add --> Add your jar file. proj --> 属性 --> 部署程序集 --> 添加 --> 添加您的 jar 文件。

解决方案4
 0  2013-04-02 12:17:35

I want to add that in my project I had to change from:我想在我的项目中添加我必须更改的内容：

String driverName = "oracle.jdbc.driver.OracleDriver";

to至

String driverName = "oracle.jdbc.OracleDriver";

I am using Oracle Database 11g Release 2.我正在使用 Oracle 数据库 11g 第 2 版。

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