严重:无法将RuntimeException映射到响应,重新抛出到HTTP容器java.lang.NullPointerException
我正在尝试集成spring和restful,我得到了null指针异常 这是堆栈跟踪 严重:无法将RuntimeException映射到响应,重新抛出到HTTP容器 java.lang.NullPointerException 位于com.ggk.keshav.RestWebserviceController.getAllPerson(RestWebserviceController.java:60) 在sun.reflect.NativeMethodAccessorImpl.invoke0(本机方法)处 位于sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) 在sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)中 位于java.lang.reflect.Method.invoke(Method.java:483) 位于com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) 位于com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$TypeOutingVoker.\u dispatch(AbstractResourceMethodDispatchProvider.java:185) 位于com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75) 位于com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288) 位于com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) 位于com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108) 位于com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) 位于com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84) 位于com.sun.jersey.server.impl.application.WebApplicationImpl.\u handleRequest(WebApplicationImpl.java:1469) 位于com.sun.jersey.server.impl.application.WebApplicationImpl.\u handleRequest(WebApplicationImpl.java:1400) 位于com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349) 位于com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339) 位于com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) 位于com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537) 位于com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:699) 位于javax.servlet.http.HttpServlet.service(HttpServlet.java:717) 位于org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290) 位于org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 位于org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233) 位于org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191) 位于org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127) 位于org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) 位于org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) 位于org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298) 位于org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:857) 位于org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588) 位于org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489) 运行(Thread.java:745) 这里是web.xml严重:无法将RuntimeException映射到响应,重新抛出到HTTP容器java.lang.NullPointerException,java,spring,rest,nullpointerexception,Java,Spring,Rest,Nullpointerexception,我正在尝试集成spring和restful,我得到了null指针异常 这是堆栈跟踪 严重:无法将RuntimeException映射到响应,重新抛出到HTTP容器 java.lang.NullPointerException 位于com.ggk.keshav.RestWebserviceController.getAllPerson(RestWebserviceController.java:60) 在sun.reflect.NativeMethodAccessorImpl.invoke0(本机
<!-- The definition of the Root Spring Container shared by all Servlets
and Filters -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath*:root-context2.xml</param-value>
</context-param>
<!-- Creates the Spring Container shared by all Servlets and Filters -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<!-- Processes application requests -->
<servlet>
<servlet-name>appServlet</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/spring/appServlet/servlet-context.xml</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>appServlet</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>jersey-serlvet</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.ggk.keshav</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-mapping>
<servlet-name>jersey-serlvet</servlet-name>
<url-pattern>/rest/*</url-pattern>
</servlet-mapping>
上下文配置位置
classpath*:root-context2.xml
org.springframework.web.context.ContextLoaderListener
appServlet
org.springframework.web.servlet.DispatcherServlet
上下文配置位置
/WEB-INF/spring/appServlet/servlet-context.xml
1.
appServlet
/
泽西塞尔维特酒店
com.sun.jersey.spi.container.servlet.ServletContainer
com.sun.jersey.config.property.packages
com.ggk.keshav
com.sun.jersey.api.json.POJOMappingFeature
真的
1.
泽西塞尔维特酒店
/休息/*
这是我的spring配置文件
infrastructure -->
<!-- Enables the Spring MVC @Controller programming model -->
<annotation-driven />
<tx:annotation-driven transaction-manager="transactionManager" />
<context:component-scan base-package="com.ggk" />
<!-- Handles HTTP GET requests for /resources/** by efficiently serving
up static resources in the ${webappRoot}/resources directory -->
<resources mapping="/resources/**" location="/resources/" />
<!-- Resolves views selected for rendering by @Controllers to .jsp resources
in the /WEB-INF/views directory -->
<beans:bean
class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<beans:property name="prefix" value="/WEB-INF/views/" />
<beans:property name="suffix" value=".jsp" />
</beans:bean>
<beans:bean
class="org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor" />
<annotation-driven />
<context:annotation-config />
<beans:bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource"
destroy-method="close">
<beans:property name="driverClassName" value="org.h2.Driver" />
<beans:property name="url" value="jdbc:h2:~/name" />
<beans:property name="username" value="sa" />
</beans:bean>
<!-- Hibernate 4 SessionFactory Bean definition -->
<beans:bean id="sessionFactory"
class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<beans:property name="dataSource" ref="dataSource" />
<beans:property name="annotatedClasses">
<beans:list>
<beans:value>com.ggk.domain.Person</beans:value>
</beans:list>
</beans:property>
<beans:property name="hibernateProperties">
<beans:props>
<beans:prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect
</beans:prop>
<beans:prop key="hibernate.show_sql">true</beans:prop>
<beans:prop key="hbmdl.auto">create</beans:prop>
</beans:props>
</beans:property>
</beans:bean>
<beans:bean id="transactionManager"
class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<beans:property name="sessionFactory"
ref="sessionFactory" />
</beans:bean>
基础架构-->
com.ggk.domain.Person
org.hibernate.dialogue.mysqldialogue
真的
创造
这是我的控制器
public class WebserviceController {
@Autowired
PersonService personService;
@RequestMapping(value = "/", method =RequestMethod.GET)
public Track getTrack(){
Track track = new Track();
track.setSinger("keshav shelar");
track.setTitle("Chaha");
return track;
}
@RequestMapping("/person")
@ResponseBody
public Person getPerson(){
System.out.println("Control in webservice controller");
return personService.getPersonById(69);
}
@RequestMapping(value="/getAll")
@ResponseBody
public List<Person> getAllPersons(){
System.out.println("Control in webservice controller");
return personService.getAllPerons();
}
公共类WebserviceController{
@自动连线
人情服务人情服务;
@RequestMapping(value=“/”,method=RequestMethod.GET)
公共轨道getTrack(){
轨道=新轨道();
赛辛格(“keshav shelar”);
曲目集标题(“Chaha”);
返回轨道;
}
@请求映射(“/人”)
@应答器
公众人物{
System.out.println(“Web服务控制器中的控件”);
returnPersonService.getPersonById(69);
}
@请求映射(value=“/getAll”)
@应答器
公共列表getAllPersons(){
System.out.println(“Web服务控制器中的控件”);
return personService.getAllPerons();
}
这是服务舱
@Service
public class PersonServiceimpl implements PersonService {
@Autowired
private PersonDao personDaoImpl;
@Override
@Transactional
public int addPerson(Person person) {
return personDaoImpl.addPerson(person);
}
@Override
@Transactional
public int updatePerson(Person person) {
return personDaoImpl.updatePerson(person);
}
@Override
@Transactional
public int removePeron(List<Integer> personIds) {
return personDaoImpl.removePeron(personIds);
}
@Override
@Transactional
public List<Person> getAllPerons() {
System.out.println("getting alla persons");
return personDaoImpl.getAllPerons();
}
@Override
@Transactional
public Person getPersonById(int id) {
return personDaoImpl.getPersonById(id);
}
}
@服务
公共类PersonServiceimpl实现PersonService{
@自动连线
私人私人私人诊所;
@凌驾
@交易的
公共int addPerson(个人){
返回persondaimpl.addPerson(person);
}
@凌驾
@交易的
public int updatePerson(个人){
返回人员导入更新人员(人);
}
@凌驾
@交易的
public int removePeron(列出个人){
返回persondaimpl.removePeron(personIds);
}
@凌驾
@交易的
公共列表getAllPerons(){
System.out.println(“获取所有人员”);
return personDaoImpl.getAllPerons();
}
@凌驾
@交易的
公众人物getPersonById(内部id){
返回persondaimpl.getPersonById(id);
}
}
IProductsDao dao = new ProductsDaoImpl();