1
私はこの例外を取得しています - >SpringDaoMvcアプリケーションでExpectedOutputを取得できませんか？
org.apache.jasper.JasperExceptionが：JSPのクラスをコンパイルできません：
データベースに名前Xで街を探索しようとしているとき。以下は
誰もが私はこれを修正することができますどのように私を導くことはできますか？のStackTrace
SEVERE: Servlet.service() for servlet [MainServlet] in context with path [/SpringDaoMvc] threw exception [Unable to compile class for JSP:
An error occurred at line: 1 in the generated java file
The type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class files
Stacktrace:] with root cause
org.apache.jasper.JasperException: Unable to compile class for JSP:
An error occurred at line: 1 in the generated java file
The type java.util.Map$Entry cannot be resolved. It is indirectly referenced from required .class files
Stacktrace:
at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:102)
at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:331)
at org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:457)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:378)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:353)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:340)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:646)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:357)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:390)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:334)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:684)
at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:471)
at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:402)
at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:329)
at MainServlet.doGet(MainServlet.java:43)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169)
at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98)
at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:927)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:987)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:579)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:309)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
ですかBELOW
MYコード：
1)index.html
<form action="MainServlet" method="get">
<input type="text" name="city">
<input type="submit" name="getDetails">
</form>
2）MainServlet：
public class MainServlet extends HttpServlet
{
ModelBean bobj;
public MainServlet()
{
super();
// TODO Auto-generated constructor stub
}
public void init()
{
//Activate SpringContainer
ApplicationContext bfact=new ClassPathXmlApplicationContext("ModelCfg.xml");
//getSpringBean class Object from Container
bobj=(ModelBean)bfact.getBean("mb");
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
//readFormData
String city=request.getParameter("city");
//Call Bmethod
List l=bobj.searchStudents(city);
request.setAttribute("attr1",l);
//Forward the request to resultPage
RequestDispatcher rd=request.getRequestDispatcher("result.jsp");
rd.forward(request,response);
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
doGet(request, response);
}
public void destroy()
{
bobj=null;
}
}
3）ModelBean
public class ModelBean implements Model
{
ModelDao mdao;
public void setMdao(ModelDao mdao)
{
this.mdao = mdao;
}
public ModelDao getMdao()
{
return mdao;
}
@Override
public List searchStudents(String city)
{
//blogic
if(city==null||city.equals(""))
{
city="Hyderabad";
}
//use persistance Logic of Dao class.
List l=mdao.getDetails(city);
return l;
}
}
4）ModelDao：
public class ModelDao
{
JdbcTemplate jt;
public JdbcTemplate getJt()
{
return jt;
}
public void setJt(JdbcTemplate jt)
{
this.jt = jt;
}
public List getDetails(String city)
{
List l=jt.queryForList("Select * from StudentSpringDao where saddress=?",new Object[]{city});
return l;
}
}
5）ModelCfg.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans
xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<bean id="bds" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql://localhost:3306/JalajSchema"/>
<property name="username" value="root"/>
<property name="password" value=""/>
<!-- <property name="MaxActive" value="15"/>
<property name="MaxIdle" value="5"/>
<property name="MaxWait" value="5000"/>-->
</bean>
<bean id="template" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="bds"/>
</bean>
<bean id="mydao" class="ModelDao">
<property name="jt" ref="template"/>
</bean>
<bean id="mb" class="ModelBean">
<property name="mdao" ref="mydao"/>
</bean>
6）はresult.jsp追加され
<%@page import="java.util.*" %>
<%
List l=(List)request.getAttribute("attr1");
%>
<table>
<tr>
<th>Sno</th>
<th>Sname</th>
<th>Saddress</th>
</tr>
<%
for(int i=0;i<l.size();i++)
{
Map m=(Map)l.get(i); %>
<tr>
<td><%=m.get("sno") %></td>
<td><%=m.get("sname") %></td>
<td><%=m.get("saddress") %></td>
</tr>
<%
}
%>
jarファイル：
commons-logging-1.2.jar
mysql-connector-java-5.1.25-bin.jar
spring-aop-3.2.0.RELEASE.jar
spring-aspects-3.2.0.RELEASE.jar
spring-beans-3.2.0.RELEASE.jar
spring-context-3.2.0.RELEASE.jar
spring-context-support-3.2.0.RELEASE.jar
spring-core-3.2.0.RELEASE.jar
spring-expression-3.2.0.RELEASE.jar
spring-instrument-3.2.0.RELEASE.jar
spring-instrument-tomcat-3.2.0.RELEASE.jar
spring-jdbc-3.2.0.RELEASE.jar
spring-jms-3.2.0.RELEASE.jar
spring-orm-3.2.0.RELEASE.jar
spring-oxm-3.2.0.RELEASE.jar
spring-struts-3.2.0.RELEASE.jar
spring-test-3.2.0.RELEASE.jar
spring-tx-3.2.0.RELEASE.jar
spring-web-3.2.0.RELEASE.jar
spring-webmvc-3.2.0.RELEASE.jar
spring-webmvc-portlet-3.2.0.RELEASE.jar