这是错误信息：
严重: Error starting static Resources
java.lang.IllegalArgumentException: Document base C:\Users\zhongguojie\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\database does not exist or is not a readable directory
at org.apache.naming.resources.FileDirContext.setDocBase(FileDirContext.java:142)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4086)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4255)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext start
严重: Error in resourceStart()
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext start
严重: Error getConfigured
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext start
严重: Context [/database] startup failed due to previous errors
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext stop
信息: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/database] has not been started
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext resourcesStart
严重: Error starting static Resources
java.lang.IllegalArgumentException: Document base C:\Users\zhongguojie\workspace\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\wtpwebapps\products does not exist or is not a readable directory
at org.apache.naming.resources.FileDirContext.setDocBase(FileDirContext.java:142)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4086)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4255)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:785)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
at org.apache.catalina.core.StandardService.start(StandardService.java:519)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
at org.apache.catalina.startup.Catalina.start(Catalina.java:581)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:289)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:414)
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext start
严重: Error in resourceStart()
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext start
严重: Error getConfigured
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext start
严重: Context [/products] startup failed due to previous errors
2014-9-29 23:35:52 org.apache.catalina.core.StandardContext stop
信息: Container org.apache.catalina.core.ContainerBase.[Catalina].[localhost].[/products] has not been started
2014-9-29 23:35:52 org.apache.coyote.http11.Http11Protocol start
信息: Starting Coyote HTTP/1.1 on http-8080
2014-9-29 23:35:52 org.apache.jk.common.ChannelSocket init
信息: JK: ajp13 listening on /0.0.0.0:8009
2014-9-29 23:35:52 org.apache.jk.server.JkMain start
信息: Jk running ID=0 time=0/20 config=null
2014-9-29 23:35:52 org.apache.catalina.startup.Catalina start
信息: Server startup in 270 ms
java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1516)
at org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1361)
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:171)
at DatabaseAccess.doGet(DatabaseAccess.java:39)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:617)
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:127)
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:298)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:852)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
这是源代码：数据库名为product 表名是productor
import java.io.*;
//import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.sql.*;
public class DatabaseAccess extends HttpServlet{
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws ServletException, IOException
{
// JDBC 驱动器名称和数据库的 URL
String JDBC_DRIVER="com.mysql.jdbc.Driver";
String DB_URL="jdbc:mysql://localhost:3306/product";
// 数据库的凭据
final String USER = "root";
final String PASS = "19661013";
// 设置响应内容类型
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
String title = "数据库查询结果";
String docType =
"<!doctype html public \"-//w3c//dtd html 4.0 " +
"transitional//en\">\n";
out.println(docType +
"<html>\n" +
"<head><title>" + title + "</title></head>\n" +
"<body bgcolor=\"#f0f0f0\">\n" +
"<h1 align=\"center\">" + title + "</h1>\n");
try{
// 注册 JDBC 驱动器
Class.forName(JDBC_DRIVER);
// 打开一个连接
Connection conn = DriverManager.getConnection(DB_URL,USER,PASS);
// 执行 SQL 查询
Statement stmt = conn.createStatement();
ResultSet rs = stmt.executeQuery("SELECT * FROM productor");
out.println("name: <br>");
// 从结果集中提取数据
while(rs.next()){
// 显示值
out.println("name: " + rs.getString("pname") + "<br>");
}
out.println("</body></html>");
// 清理环境
rs.close();
stmt.close();
conn.close();
}catch(SQLException se){
// 处理 JDBC 错误
se.printStackTrace();
out.println("jdbc error");
}catch(Exception e){
// 处理 Class.forName 错误
e.printStackTrace();
out.println(" error");
}
}
}
at java.lang.Thread.run(Thread.java:662)。
--转自
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2014-12-15 15:42:36 |
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