Java Spring中的NPE Jersey Web服务中的DI
我正在尝试将Spring DI集成到JAX-RS web服务中,但在DI对象上有以下错误:Java Spring中的NPE Jersey Web服务中的DI,java,spring,rest,jersey,jax-rs,Java,Spring,Rest,Jersey,Jax Rs,我正在尝试将Spring DI集成到JAX-RS web服务中,但在DI对象上有以下错误: 13-Jan-2020 14:03:26.862 SEVERE [http-nio-8080-exec-8] com.sun.jersey.spi.container.ContainerResponse.mapMappableContainerException The RuntimeException could not be mapped to a response, re-throwing to t
13-Jan-2020 14:03:26.862 SEVERE [http-nio-8080-exec-8] com.sun.jersey.spi.container.ContainerResponse.mapMappableContainerException The RuntimeException could not be mapped to a response, re-throwing to the HTTP container
java.lang.NullPointerException
at com.geidea.web.rest.TerminalRestController.processTerminals(TerminalRestController.java:66)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60)
at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:185)
at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75)
at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
at com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108)
at com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147)
at com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1542)
at com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1473)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1419)
at com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1409)
at com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:409)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:558)
at com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:733)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:741)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231)
web.xml如下所示:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID" version="2.5" metadata-complete="true">
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>TerminalBatchUpload</servlet-name>
<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>com.sun.jersey.config.property.packages</param-name>
<param-value>com.geidea.web.rest</param-value>
</init-param>
<init-param>
<param-name>com.sun.jersey.api.json.POJOMappingFeature</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>jersey-servlet</servlet-name>
<servlet-class>
com.sun.jersey.spi.spring.container.servlet.SpringServlet
</servlet-class>
<init-param>
<param-name>com.sun.jersey.config.property.packages</param-name>
<param-value>com.geidea.web.rest</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>TerminalBatchUpload</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
<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>
<context-param>
<description>State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2</description>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>com.sun.faces.config.ConfigureListener</listener-class>
</listener>
</web-app>
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">
<!-- Enable Spring Annotation Configuration -->
<context:annotation-config />
<!-- Scan for all of Spring components such as Spring Service -->
<context:component-scan base-package="com.geidea.spring.service"></context:component-scan>
<bean id="terminalDao" class="com.geidea.spring.dao.TerminalDaoImpl" />
<bean id="terminalServices" class="com.geidea.spring.service.TerminalServiceImpl" />
<!-- Create Data Source bean -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="net.sourceforge.jtds.jdbc.Driver" />
<property name="url" value="jdbc:jtds:sqlserver://127.0.0.1:1433/realtime-empty;useNTLMv2=true;domain=mydomain.local;" />
</bean>
<!-- Define SessionFactory bean -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mappingResources">
<list>
<value>domain-classes.hbm.xml</value>
</list>
</property>
<property name="configLocation">
<value>classpath:hibernate.cfg.xml</value>
</property>
</bean>
<!-- Transaction Manager -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- Detect @Transactional Annotation -->
<tx:annotation-driven transaction-manager="transactionManager" />
</beans>
Facesservlet
javax.faces.webapp.FacesServlet
1.
终点站
com.sun.jersey.spi.container.servlet.ServletContainer
com.sun.jersey.config.property.packages
com.geidea.web.rest
com.sun.jersey.api.json.POJOMappingFeature
真的
1.
泽西servlet
com.sun.jersey.spi.spring.container.servlet.SpringServlet
com.sun.jersey.config.property.packages
com.geidea.web.rest
1.
终点站
/休息/*
Facesservlet
/面孔/*
Facesservlet
*.xhtml
状态保存方法:“客户端”或“服务器”(=默认值)。参见JSF规范2.5.2
javax.faces.STATE_保存方法
客户
org.springframework.web.context.ContextLoaderListener
com.sun.faces.config.ConfigureListener
我的webservices类是:
Component
@Path(value = "/")
public class TerminalRestController{
private final Logger log = LoggerFactory.getLogger(TerminalRestController.class);
@Autowired
private TerminalService terminalServices;
public TerminalService getTerminalServices() {
return terminalServices;
}
public void setTerminalServices(TerminalService terminalServices) {
this.terminalServices = terminalServices;
}
@POST
@Path("/processTerminals")
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public ResultMessage processTerminals(TerminalsData data){
log.debug("Processing Terminals Web Service");
System.out.println(data.getTerminalsData().getCurrencyCode().getCurrencyCode()+ " "+data.getTerminalsData().getCurrencyCode().getAlphaCode());
ResultMessage response = new ResultMessage();
response.setMessage("Some Error Occurred");
response.setResponseCode("-1");
List<Term> existingTerminals = new ArrayList<Term>();
existingTerminals = terminalServices.fetchTerminals();
组件
@路径(value=“/”)
公共类TerminalRestController{
私有最终记录器log=LoggerFactory.getLogger(TerminalRestController.class);
@自动连线
专用终端服务终端服务;
公共终端服务getTerminalServices(){
返回终端服务;
}
公共void setTerminalServices(TerminalService terminalServices){
this.terminalServices=终端服务;
}
@职位
@路径(“/processTerminals”)
@使用(MediaType.APPLICATION_JSON)
@产生(MediaType.APPLICATION_JSON)
公共结果消息处理终端(终端数据){
调试(“处理终端Web服务”);
System.out.println(data.getTerminalsData().getCurrencyCode().getCurrencyCode()+“”+data.getTerminalsData().getCurrencyCode().getAlphaCode());
ResultMessage response=新结果消息();
response.setMessage(“发生了一些错误”);
响应。设置响应代码(“-1”);
List existingTerminals=new ArrayList();
existingTerminals=terminalServices.fetchTerminals();
applicationContext如下所示:
<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
id="WebApp_ID" version="2.5" metadata-complete="true">
<servlet>
<servlet-name>Faces Servlet</servlet-name>
<servlet-class>javax.faces.webapp.FacesServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>TerminalBatchUpload</servlet-name>
<servlet-class>com.sun.jersey.spi.container.servlet.ServletContainer</servlet-class>
<init-param>
<param-name>com.sun.jersey.config.property.packages</param-name>
<param-value>com.geidea.web.rest</param-value>
</init-param>
<init-param>
<param-name>com.sun.jersey.api.json.POJOMappingFeature</param-name>
<param-value>true</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet>
<servlet-name>jersey-servlet</servlet-name>
<servlet-class>
com.sun.jersey.spi.spring.container.servlet.SpringServlet
</servlet-class>
<init-param>
<param-name>com.sun.jersey.config.property.packages</param-name>
<param-value>com.geidea.web.rest</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>TerminalBatchUpload</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
<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>
<context-param>
<description>State saving method: 'client' or 'server' (=default). See JSF Specification 2.5.2</description>
<param-name>javax.faces.STATE_SAVING_METHOD</param-name>
<param-value>client</param-value>
</context-param>
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<listener>
<listener-class>com.sun.faces.config.ConfigureListener</listener-class>
</listener>
</web-app>
<?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:tx="http://www.springframework.org/schema/tx"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:aop="http://www.springframework.org/schema/aop" xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.2.xsd">
<!-- Enable Spring Annotation Configuration -->
<context:annotation-config />
<!-- Scan for all of Spring components such as Spring Service -->
<context:component-scan base-package="com.geidea.spring.service"></context:component-scan>
<bean id="terminalDao" class="com.geidea.spring.dao.TerminalDaoImpl" />
<bean id="terminalServices" class="com.geidea.spring.service.TerminalServiceImpl" />
<!-- Create Data Source bean -->
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<property name="driverClassName" value="net.sourceforge.jtds.jdbc.Driver" />
<property name="url" value="jdbc:jtds:sqlserver://127.0.0.1:1433/realtime-empty;useNTLMv2=true;domain=mydomain.local;" />
</bean>
<!-- Define SessionFactory bean -->
<bean id="sessionFactory"
class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="mappingResources">
<list>
<value>domain-classes.hbm.xml</value>
</list>
</property>
<property name="configLocation">
<value>classpath:hibernate.cfg.xml</value>
</property>
</bean>
<!-- Transaction Manager -->
<bean id="transactionManager"
class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<!-- Detect @Transactional Annotation -->
<tx:annotation-driven transaction-manager="transactionManager" />
</beans>
domain-classes.hbm.xml
类路径:hibernate.cfg.xml
此行出错existingTerminals=TerminalsServices.fetchTerminals();。请提供帮助。我不确定此处缺少什么。您的TerminalRestController路径必须放在上下文:组件扫描中 当您使用组件扫描元素时,AutowiredAnnotationBeanPostProcessor和CommonAnnotationBeanPostProcessor都被隐式包含。这意味着这两个组件被自动检测并连接在一起-所有这些组件都没有XML中提供的任何bean配置元数据