我从服务器下载文件时在spring mvc中出错。我无法找到错误。请帮助我..
控制器是：
@Controller
public class CareerController {
//inject objects of dao class
@Autowired
CareerDAO cardao;
private static final int BUFFER_SIZE = 4096;
@Autowired
ServletContext context;
//inject objects of dao class
// @Autowired
// VacancyDAO Vdao;
//inject objects of JavaMailSender class
@Autowired
private MailMail m;
public void setM(MailMail m) {
this.m = m;
}
public void setCardao(CareerDAO cardao) {
this.cardao = cardao;
}
String resPath = "C:\\Users\\Anjana\\Documents\\NetBeansProjects\\IntelliLabsWeb\\build\\web\\uploads\\";
public String getResPath() {
return resPath;
}
public void setResPath(String resPath) {
this.resPath = resPath;
}
//go to careers page from index page
//--------------------------------------------------------------------
@RequestMapping("/careersPage")
public ModelAndView ViewVacancyForPublic() {
return new ModelAndView("redirect:/AllVacancies");
}
//go to Job Application Form
//--------------------------------------------------------------------
@RequestMapping("/ApplicationForm")
public ModelAndView Apply() {
return new ModelAndView("careers/ApplicationForm", "command", new Career());
}
//delete applicant only by admin
//----------------------------------------------------------------------
@RequestMapping(value = "/deleteProfile/{a_id}")
public ModelAndView deleteProfile(@PathVariable int a_id) {
if (cardao.deletion(a_id) == 1) {
System.out.println("Profile " + a_id + " deleted\n");
return new ModelAndView("redirect:/ShowApplicants");
} else {
return new ModelAndView("redirect:/failiure");
}
}
//show one profile for admin
//----------------------------------------------------------------------
@RequestMapping(value = "/oneProfile/{a_id}")
public ModelAndView viewOneProfile(@PathVariable int a_id) {
Career prof = cardao.retrieveProfile(a_id);
prof.setResumePath(resPath);
System.out.println("\n\nid : " + prof.getA_id());
System.out.println("name : " + prof.getName());
System.out.println("path" + prof.getResumePath());
System.out.println("date : " + prof.getDateApplied() + "\n\n");
List<Career> profList = new ArrayList<>();
profList.add(prof);
return new ModelAndView("admin/ViewOneProfile", "profile", prof);
}
//method doUpload -- uploads file to uploads folder
//********************************************************************
private File doUpload(HttpServletRequest request, Career career) {
String Aname = career.getName();
System.out.println("Name: " + Aname);
// Root Directory.
String uploadRootPath = request.getServletContext().getRealPath("/uploads");
//ie,create a folder named "uploads" under the project's Web Pages folder.
//otherwise nullpointer exception will be thrown.
//actually,program creates the directory if it doesn't exists.
//just don't forget to put the slash(/) in getRealPath("/uploads")
System.out.println("uploadRootPath=" + uploadRootPath);
File uploadRootDir = new File(uploadRootPath);
// Create directory if it not exists.
if (!uploadRootDir.exists()) {
uploadRootDir.mkdirs();
}
CommonsMultipartFile fileData = career.getFileDatas();
// Client File Name
String name = fileData.getOriginalFilename();
System.out.println("Client File Name = " + name);
File serverFile = null;
if (name != null && name.length() > 0) {
try {
// Create the file on server
serverFile = new File(uploadRootDir.getAbsolutePath() + File.separator + name);
// Stream to write data to file in server.
BufferedOutputStream stream = new BufferedOutputStream(new FileOutputStream(serverFile));
stream.write(fileData.getBytes());
stream.close();
//
System.out.println("Write file: " + serverFile);
} catch (Exception e) {
System.out.println("Error Write file: " + name);
}
}
// model.addAttribute("Aname", Aname);
//model.addAttribute("resumeFile", serverFile);
return serverFile;
}
//download resume
//----------------------------------------------------------------------
@RequestMapping(value="/download",method=RequestMethod.GET)
public void downloadPDFResource(@RequestParam("myResName") String fileName,HttpServletRequest request,
HttpServletResponse response){
// @PathVariable("fileName") String fileName) {
System.out.println("filename i got :"+fileName);
//If user is not authorized - he should be thrown out from here itself
//String fileName="Ente Kadha - Madhavikkutty.pdf";
//Authorized user will download the file
String dataDirectory = request.getServletContext().getRealPath("/WEB-INF/downloads/");
Path file = Paths.get(dataDirectory, fileName);
if (Files.exists(file)) {
response.setContentType("application/pdf");
response.addHeader("Content-Disposition", "attachment; filename=" + fileName);
try {
Files.copy(file, response.getOutputStream());
response.getOutputStream().flush();
} catch (IOException ex) {
ex.printStackTrace();
}
}
else
{
System.out.println("\n\nFile not found!!\n\n");
System.out.println(file);
}
}
}
dispatcher-servlet是：
<?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"
xmlns:context="http://www.springframework.org/schema/context"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<context:component-scan base-package="controller"></context:component-scan>
<context:component-scan base-package="DAO"></context:component-scan>
<!--<bean class="org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping"/>-->
<!--
Most controllers will use the ControllerClassNameHandlerMapping above, but
for the index controller we are using ParameterizableViewController, so we must
define an explicit mapping for it.
-->
<!--<bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
<property name="mappings">
<props>
<prop key="index.htm">indexController</prop>
</props>
</property>
</bean>-->
<bean id="viewResolver"
class="org.springframework.web.servlet.view.InternalResourceViewResolver"
p:prefix="/WEB-INF/jsp/"
p:suffix=".jsp" />
<bean id="multipartResolver"
class="org.springframework.web.multipart.commons.CommonsMultipartResolver"/>
<bean id="con" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
<property name="url" value="jdbc:mysql://localhost:3306/intelliLABS"></property>
<property name="username" value="root"></property>
<property name="password" value="root"></property>
<!--
//for ms sql server,it may be like :
database-driver=net.sourceforge.jtds.jdbc.Driver
url=jdbc:jtds:sqlserver://localhost:1433/simplehr;instance=SQLEXPRESS
username=shoppingcart
password=12345
-->
</bean>
<!-- normal jdbc template bean-->
<bean id="template" class="org.springframework.jdbc.core.JdbcTemplate">
<property name="dataSource" ref="con"></property>
</bean>
<!-- For sending email,adding spring's mail support -->
<bean id="mailSender" class="org.springframework.mail.javamail.JavaMailSenderImpl">
<property name="host" value="smtp.gmail.com" />
<property name="username" value="thisisanjusdummyacc@gmail.com" />
<property name="password" value="thisisdummy" />
<property name="javaMailProperties">
<props>
<prop key="mail.smtp.auth">true</prop>
<prop key="mail.smtp.socketFactory.port">465</prop>
<prop key="mail.smtp.socketFactory.class">javax.net.ssl.SSLSocketFactory</prop>
<prop key="mail.smtp.port">465</prop>
</props>
</property>
</bean>
<bean id="mailMail" class="bean.MailMail">
<property name="mailSender" ref="mailSender" />
</bean>
<!-- this bean uses normal jdbc template -->
<bean id="contactsDAO" class="DAO.ContactsDAO">
<property name="jdbc" ref="template"></property>
</bean>
<!-- this bean uses normal jdbc template -->
<bean id="vacancyDAO" class="DAO.VacancyDAO">
<property name="jdbc1" ref="template"></property>
</bean>
<!-- this bean uses normal jdbc template -->
<bean id="careerDAO" class="DAO.CareerDAO">
<property name="jdbc2" ref="template"></property>
</bean>
</beans>
viewOneProfile.jsp是：
<%--
Document : ViewOneProfile
Created on : 13 Sep, 2017, 2:23:42 PM
Author : Anjana
--%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@taglib uri="http://www.springframework.org/tags/form" prefix="form" %>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Profile</title>
</head>
<body>
<table>
<th><h3>${profile.name}</h3></th>
<tr>
<td>Application Id :</td>
<td>${profile.a_id}</td>
</tr>
<tr>
<td>Name :</td>
<td>${profile.name}</td>
</tr>
<tr>
<td>Address :</td>
<td>${profile.address}</td>
</tr>
<tr>
<td>Email:</td>
<td>${profile.email}</td>
</tr>
<tr>
<td>Phone:</td>
<td>${profile.phone}</td>
</tr>
<tr>
<td>Vacancy id:</td>
<td></td>
</tr>
<tr>
<td>Date Applied :</td>
<td>${profile.dateApplied}</td>
</tr>
<tr>
<form:form method="post" action="download">
<td>Resume : ${profile.resumePath}${profile.resumeDoc} </td>
<td><input type="hidden" path="myResName" value="${profile.resumeDoc}" /></td>
<td> <input type="submit" value="download"/> </td>
</form:form>
</tr>
</table>
</body>
</html>
apache日志显示：
21-Sep-2017 16:05:00.467 SEVERE [localhost-startStop-1] org.apache.catalina.core.ApplicationContext.log StandardWrapper.Throwable
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'regController': Injection of autowired dependencies failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: dao.UserDAO controller.regController.userdao; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [dao.UserDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:292)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1185)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:700)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:624)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:672)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:543)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1236)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1149)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1041)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4910)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5192)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:702)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:697)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:579)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1744)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:744)
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: dao.UserDAO controller.regController.userdao; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [dao.UserDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:508)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:289)
... 33 more
Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [dao.UserDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1100)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:960)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:855)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:480)
... 35 more
21-Sep-2017 16:05:00.467 SEVERE [localhost-startStop-1] org.apache.catalina.core.StandardContext.loadOnStartup Servlet /SpringLogin threw load() exception
org.springframework.beans.factory.NoSuchBeanDefinitionException: No qualifying bean of type [dao.UserDAO] found for dependency: expected at least 1 bean which qualifies as autowire candidate for this dependency. Dependency annotations: {@org.springframework.beans.factory.annotation.Autowired(required=true)}
at org.springframework.beans.factory.support.DefaultListableBeanFactory.raiseNoSuchBeanDefinitionException(DefaultListableBeanFactory.java:1100)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:960)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:855)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:480)
at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:87)
at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:289)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1185)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:537)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:475)
at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:228)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:300)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:195)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:700)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:760)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:482)
at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:658)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:624)
at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:672)
at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:543)
at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:484)
at org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:136)
at javax.servlet.GenericServlet.init(GenericServlet.java:158)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1236)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1149)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1041)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4910)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5192)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:702)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:697)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:579)
at org.apache.catalina.startup.HostConfig$DeployDescriptor.run(HostConfig.java:1744)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:744)
我以为我曾经把文件名从jsp页面传递给spring控制器 是错的。我尝试了很多方法来传递jsp中的值...但没有任何效果。
浏览器只显示错误＆＃34;客户端发送的请求在语法上不正确。＆＃34; 但是那个语法错误是什么？