我编写了一个简单的jsp。我用jety9。
我得到以下错误:
HTTP ERROR 500
Problem accessing /Adityan/page/test.jsp. Reason:
Server Error
Caused by:
org.apache.jasper.JasperException: PWC6033: Error in Javac compilation for JSP
PWC6197: An error occurred at line: 15 in the jsp file: /page/test.jsp
PWC6199: Generated servlet error:
reference to Connection is ambiguous, both interface com.mysql.jdbc.Connection in com.mysql.jdbc and interface java.sql.Connection in java.sql match
PWC6197: An error occurred at line: 15 in the jsp file: /page/test.jsp
PWC6199: Generated servlet error:
reference to Statement is ambiguous, both interface com.mysql.jdbc.Statement in com.mysql.jdbc and interface java.sql.Statement in java.sql match
at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:129)
at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:299)
at org.apache.jasper.compiler.Compiler.generateClass(Compiler.java:392)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:453)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:625)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:374)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:492)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:378)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:681)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:452)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:138)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:540)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:213)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1083)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:379)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:175)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1017)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:136)
at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:258)
at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:109)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:317)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
at org.eclipse.jetty.server.Server.handle(Server.java:445)
at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:260)
at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:225)
at org.eclipse.jetty.io.AbstractConnection$ReadCallback.run(AbstractConnection.java:358)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:596)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:527)
at java.lang.Thread.run(Thread.java:722)
请帮忙!提前谢谢。
我的代码是: <%@page import=" java.sql.*" %>
<%@page import="com.mysql.jdbc.*"%>
<html>
<head>
SIMPLEST !IT SHOULD WORK !
</head>
<title>
Got it?
</title>
<body>
<%
try{
Class.forName("com.mysql.jdbc.Driver");
}
catch(ClassNotFoundException e){%><br><br><br><center><%
out.println("Driver not loaded!!");
}
try{
String url="jdbc:mysql://localhost/test?user=<ericsson>&password=<ericsson>";
Connection con=DriverManager.getConnection(url);
Statement stmt=con.createStatement();
}
catch(Exception e1){
out.println("Ippo connection problem ");
}
%></center>
</body>
您的错误提示您导入了两个与Statement相关的导入。因此，它无法找到使用哪个
com.mysql.jdbc.Statement在com.mysql.jdbc和java.sql.Statement
尝试从导入中删除com.mysql.jdbc.Statement