I use a bean in a jsp file.
The following is the jsp file:
<html>
<head>
<title>Bean Data Display</title>
</head>
<%@ page import = "test.DataBean" %>
<jsp:useBean id="dataBean" class="test.DataBean" scope="session"
/>
<body>
<% dataBean.doQuery(); %>
<%= dataBean.getProp1() %>
<%= dataBean.getProp2() %>
</body>
</html>
The following is the Bean file:
package test;
public class DataBean
{
String prop1;
String prop2;
public DataBean() {}
public String getProp1() {return prop1;}
public String getProp2() {return prop;}
public void setProp1(String value) {prop1 = value;}
public void setProp2(String value) {prop2=value;}
public void doQuery(){
setProp1("ok1");
setProp2("ok2");
}
}
The following is the error:
java.lang.NoSuchMethodError: test.DataBean: method doQuery()V not
found
at
pagecompile.jsp._DisplayData._jspService(_DisplayData.java:94)
at
com.sun.server.http.pagecompile.jsp.runtime.HttpJspBase.service(Compiled
Code)
at javax.servlet.http.HttpServlet.service(Compiled Code)
at
com.sun.server.http.pagecompile.jsp.runtime.JspServlet.runServlet(Compiled
Code)
at
com.sun.server.http.pagecompile.jsp.runtime.JspServlet.processJspPage(Compiled
Code)
at
com.sun.server.http.pagecompile.jsp.runtime.JspServlet.service(Compiled
Code)
at javax.servlet.http.HttpServlet.service(Compiled Code)
at com.sun.server.ServletState.callService(Compiled Code)
at com.sun.server.ServletManager.callServletService(Compiled
Code)
at com.sun.server.ProcessingState.invokeTargetServlet(Compiled
Code)
at com.sun.server.http.HttpProcessingState.execute(Compiled
Code)
at com.sun.server.http.stages.Runner.process(Compiled Code)
at com.sun.server.ProcessingSupport.process(Compiled Code)
at com.sun.server.Service.process(Compiled Code)
at
com.sun.server.http.HttpServiceHandler.handleRequest(Compiled Code)
at
com.sun.server.http.HttpServiceHandler.handleRequest(Compiled Code)
at com.sun.server.HandlerThread.run(Compiled Code)
What's the matter?
Thanks in advance!
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