将Spring服务bean注入JSF ManagedBean时，它向我显示了一个NullPointerException_Spring_Jsf_Dependency Injection

将Spring服务bean注入JSF ManagedBean时，它向我显示了一个NullPointerException

spring jsf dependency-injection

将Spring服务bean注入JSF ManagedBean时，它向我显示了一个NullPointerException,spring,jsf,dependency-injection,Spring,Jsf,Dependency Injection,Tomcat8，JSF，Spring 当我尝试向jsf托管bean注入spring服务时，它显示了NullPointerException 检查.xhtml <html xmlns="http://www.w3.org/1999/xhtml" xmlns:h="http://java.sun.com/jsf/html" xmlns:p="http://primefaces.org/ui" xmlns:f="http://java

Tomcat8，JSF，Spring 当我尝试向jsf托管bean注入spring服务时，它显示了NullPointerException

检查.xhtml

 <html xmlns="http://www.w3.org/1999/xhtml"
          xmlns:h="http://java.sun.com/jsf/html"
          xmlns:p="http://primefaces.org/ui"
          xmlns:f="http://java.sun.com/jsf/core"
          xmlns:ui="http://java.sun.com/jsf/facelets"

          >

      <h:head>        </h:head>

      <h:body>

      <p:dataTable var="check" value="#{checkBean.checks}">
        <p:column headerText="Name">
            <h:outputText value="#{check.name}" />
        </p:column>

        <p:column headerText="URL">
            <h:outputText value="#{check.url}" />
        </p:column>

    </p:dataTable>

      </h:body>  
     </html>

<?xml version="1.0"?>
<faces-config version="2.2" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
 http://xmlns.jcp.org/xml/ns/javaee/web-facesconfig_2_2.xsd">

 <application>

         <el-resolver>
                org.springframework.web.jsf.el.SpringBeanFacesELResolver
        </el-resolver> 

</application>
</faces-config>

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
 <display-name>Crud</display-name>
 <context-param>
  <param-name>javax.faces.CONFIG_FILES</param-name>
  <param-value>/WEB-INF/faces-config.xml</param-value>
 </context-param>
 <context-param>
  <param-name>javax.faces.FACELETS_REFRESH_PERIOD</param-name>
  <param-value>0</param-value>
 </context-param>
 <context-param>
  <param-name>javax.faces.FACELETS_SKIP_COMMENTS</param-name>
  <param-value>true</param-value>
 </context-param>
 <context-param>
  <param-name>javax.faces.PROJECT_STAGE</param-name>
  <param-value>Development</param-value>
 </context-param>

 <listener>
  <listener-class>com.sun.faces.config.ConfigureListener</listener-class>
 </listener>


<servlet>
  <servlet-name>Faces Servlet</servlet-name>
  <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
  <load-on-startup>1</load-on-startup>
 </servlet>
 <servlet-mapping>
  <servlet-name>Faces Servlet</servlet-name>
  <url-pattern>/faces/*</url-pattern>
 </servlet-mapping>
 <servlet-mapping>
  <servlet-name>Faces Servlet</servlet-name>
  <url-pattern>*.xhtml</url-pattern>
 </servlet-mapping>
 <welcome-file-list>
  <welcome-file>selectChecks.xhtml</welcome-file>
 </welcome-file-list>



</web-app>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>CrudTest</groupId>
    <artifactId>Crud</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>

    <dependencies>

        <dependency>
            <groupId>org.glassfish</groupId>
            <artifactId>javax.faces</artifactId>
            <version>2.2.9</version>
        </dependency>



        <dependency>
            <groupId>org.primefaces</groupId>
            <artifactId>primefaces</artifactId>
            <version>5.3</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>

        </dependency>


        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-api</artifactId>
            <version>2.1.7</version>
        </dependency>

        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-impl</artifactId>
            <version>2.1.7</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>


        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
            <version>1.7.1.RELEASE</version>
        </dependency>


        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.3.7.Final</version>
        </dependency>


        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.2.2</version>
        </dependency>


        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.9</version>
        </dependency>


        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.6</version>
        </dependency>


        <!--********************************************************************************************** -->

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>javax.el</groupId>
            <artifactId>javax.el-api</artifactId>
            <version>3.0.1-b04</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>com.sun.el</groupId>
            <artifactId>el-ri</artifactId>
            <version>1.0</version>
        </dependency>





        <!--********************************************************************************************** -->

    </dependencies>



    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframewok</groupId>
                <artifactId>spring-framework-bom</artifactId>
                <version>4.2.5.RELEASE</version>
                <type>bom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>


    <build>
        <finalName>JavaServerFaces</finalName>

        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.1</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

MyWebAppInitializer

公共类MyWebAppInitializer实现WebApplicationInitializer{

public void onStartup(ServletContext container) throws ServletException {
    // TODO Auto-generated method stub

    AnnotationConfigWebApplicationContext rootContext=new AnnotationConfigWebApplicationContext();
    rootContext.register(SpringConfiguration.class);


    container.addListener(new ContextLoaderListener(rootContext));

}

}

pom.xml

 <html xmlns="http://www.w3.org/1999/xhtml"
          xmlns:h="http://java.sun.com/jsf/html"
          xmlns:p="http://primefaces.org/ui"
          xmlns:f="http://java.sun.com/jsf/core"
          xmlns:ui="http://java.sun.com/jsf/facelets"

          >

      <h:head>        </h:head>

      <h:body>

      <p:dataTable var="check" value="#{checkBean.checks}">
        <p:column headerText="Name">
            <h:outputText value="#{check.name}" />
        </p:column>

        <p:column headerText="URL">
            <h:outputText value="#{check.url}" />
        </p:column>

    </p:dataTable>

      </h:body>  
     </html>

<?xml version="1.0"?>
<faces-config version="2.2" xmlns="http://xmlns.jcp.org/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
 xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee
 http://xmlns.jcp.org/xml/ns/javaee/web-facesconfig_2_2.xsd">

 <application>

         <el-resolver>
                org.springframework.web.jsf.el.SpringBeanFacesELResolver
        </el-resolver> 

</application>
</faces-config>

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" xmlns="http://java.sun.com/xml/ns/javaee"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
 <display-name>Crud</display-name>
 <context-param>
  <param-name>javax.faces.CONFIG_FILES</param-name>
  <param-value>/WEB-INF/faces-config.xml</param-value>
 </context-param>
 <context-param>
  <param-name>javax.faces.FACELETS_REFRESH_PERIOD</param-name>
  <param-value>0</param-value>
 </context-param>
 <context-param>
  <param-name>javax.faces.FACELETS_SKIP_COMMENTS</param-name>
  <param-value>true</param-value>
 </context-param>
 <context-param>
  <param-name>javax.faces.PROJECT_STAGE</param-name>
  <param-value>Development</param-value>
 </context-param>

 <listener>
  <listener-class>com.sun.faces.config.ConfigureListener</listener-class>
 </listener>


<servlet>
  <servlet-name>Faces Servlet</servlet-name>
  <servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
  <load-on-startup>1</load-on-startup>
 </servlet>
 <servlet-mapping>
  <servlet-name>Faces Servlet</servlet-name>
  <url-pattern>/faces/*</url-pattern>
 </servlet-mapping>
 <servlet-mapping>
  <servlet-name>Faces Servlet</servlet-name>
  <url-pattern>*.xhtml</url-pattern>
 </servlet-mapping>
 <welcome-file-list>
  <welcome-file>selectChecks.xhtml</welcome-file>
 </welcome-file-list>



</web-app>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <groupId>CrudTest</groupId>
    <artifactId>Crud</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <packaging>war</packaging>

    <dependencies>

        <dependency>
            <groupId>org.glassfish</groupId>
            <artifactId>javax.faces</artifactId>
            <version>2.2.9</version>
        </dependency>



        <dependency>
            <groupId>org.primefaces</groupId>
            <artifactId>primefaces</artifactId>
            <version>5.3</version>
        </dependency>

        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.1.0</version>

        </dependency>


        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-api</artifactId>
            <version>2.1.7</version>
        </dependency>

        <dependency>
            <groupId>com.sun.faces</groupId>
            <artifactId>jsf-impl</artifactId>
            <version>2.1.7</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-web</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>


        <dependency>
            <groupId>org.springframework.data</groupId>
            <artifactId>spring-data-jpa</artifactId>
            <version>1.7.1.RELEASE</version>
        </dependency>


        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-entitymanager</artifactId>
            <version>4.3.7.Final</version>
        </dependency>


        <dependency>
            <groupId>commons-dbcp</groupId>
            <artifactId>commons-dbcp</artifactId>
            <version>1.2.2</version>
        </dependency>


        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.9</version>
        </dependency>


        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.6</version>
        </dependency>


        <!--********************************************************************************************** -->

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-core</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>javax.el</groupId>
            <artifactId>javax.el-api</artifactId>
            <version>3.0.1-b04</version>
        </dependency>

        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.2.5.RELEASE</version>
        </dependency>

        <dependency>
            <groupId>com.sun.el</groupId>
            <artifactId>el-ri</artifactId>
            <version>1.0</version>
        </dependency>





        <!--********************************************************************************************** -->

    </dependencies>



    <dependencyManagement>
        <dependencies>
            <dependency>
                <groupId>org.springframewok</groupId>
                <artifactId>spring-framework-bom</artifactId>
                <version>4.2.5.RELEASE</version>
                <type>bom</type>
                <scope>import</scope>
            </dependency>
        </dependencies>
    </dependencyManagement>


    <build>
        <finalName>JavaServerFaces</finalName>

        <plugins>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>2.3.1</version>
                <configuration>
                    <source>1.6</source>
                    <target>1.6</target>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>


4.0.0
粗糙的
积垢
0.0.1-快照
战争
玻璃鱼
javax.faces
2.2.9
org.primefaces
素面
5.3
javax.servlet
javax.servlet-api
3.1.0
com.sun.faces
JSFAPI
2.1.7
com.sun.faces
jsf impl
2.1.7
org.springframework
弹簧网
4.2.5.1发布
org.springframework.data
spring数据jpa
1.7.1.1发布
org.hibernate
休眠实体管理器
4.3.7.最终版本
公共dbcp
公共dbcp
1.2.2
mysql
mysql连接器java
5.1.9
org.projectlombok
龙目
1.16.6
org.springframework
弹簧芯
4.2.5.1发布
javax.el
javax.el-api
3.0.1-b04
org.springframework
spring上下文
4.2.5.1发布
com.sun.el
埃尔里
1
org.springframewok
spring框架bom表
4.2.5.1发布
物料清单
进口
JavaServerFaces
org.apache.maven.plugins
maven编译器插件
2.3.1
1.6
1.6

您不能先缩小应用程序的范围，而不是发布应用程序的全部代码吗？例如，让我们从日志跟踪开始，从发生异常的bean开始，从您试图注入的bean开始？让我们从搜索重复项或相关帖子开始……我试图将checkService注入ChekBean。感谢Mars 042016 11:15:44 AM com.sun.faces.application.view.FaceletViewHandlingStrategy handleRenderException严重：错误呈现视图[/selectChecks.xhtml]javax.el.ELException:/selectChecks.xhtml@14,56 value=“#{checkBean.checks}”：在com.sun.faces.facelets.el.TagValueExpression.getValue（未知源）读取com.crud.managedbeans.CheckBean类型上的“checks”时出错，您不能先缩小范围，而不是发布应用程序的整个代码吗？例如，让我们从日志跟踪开始，从发生异常的bean开始，从您试图注入的bean开始？让我们从搜索重复项或相关帖子开始……我试图将checkService注入ChekBean。感谢Mars 042016 11:15:44 AM com.sun.faces.application.view.FaceletViewHandlingStrategy handleRenderException严重：错误呈现视图[/selectChecks.xhtml]javax.el.ELException:/selectChecks.xhtml@14,56 value=“#{checkBean.checks}”：读取com.sun.faces.facelets.el.TagValueExpression.getValue上的com.crud.managedbeans.CheckBean类型的“检查”时出错（未知源）