HTTP Status 500 - Servlet.init() for servlet springDispatcher threw exception

type Exception report

message Servlet.init() for servlet springDispatcher threw exception

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet.init() for servlet springDispatcher threw exception
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:662)
root cause

org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping#0': Initialization of bean failed; nested exception is org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.CallController] for bean with name 'callController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\CallController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/CallController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.CallController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.CallController] for bean with name 'callController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\CallController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/CallController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.CallController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.MenuController] for bean with name 'menuController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\MenuController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/MenuController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.MenuController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.OrderController] for bean with name 'orderController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\OrderController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/OrderController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.OrderController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.RestaurantController] for bean with name 'restaurantController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\RestaurantController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/RestaurantController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.RestaurantController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.UserController] for bean with name 'userController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\UserController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/UserController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.UserController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.DAO.OrderDAOImpl] for bean with name 'orderDAO' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/DAO/OrderDAOImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.DAO.OrderDAOImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.service.OrderServiceImpl] for bean with name 'orderService' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/service/OrderServiceImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.service.OrderServiceImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.DAO.MenuTypeDAOImpl] for bean with name 'menutypeDAO' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/DAO/MenuTypeDAOImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.DAO.MenuTypeDAOImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.service.MenuTypeServiceImpl] for bean with name 'menutypeService' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/service/MenuTypeServiceImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.service.MenuTypeServiceImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.DAO.RestaurantDAOImpl] for bean with name 'restaurantDAO' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/DAO/RestaurantDAOImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.DAO.RestaurantDAOImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.service.RestaurantServiceImpl] for bean with name 'restaurantService' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/service/RestaurantServiceImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.service.RestaurantServiceImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.DAO.RatingDAOImpl] for bean with name 'ratingDAO' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/DAO/RatingDAOImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.DAO.RatingDAOImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.service.RatingServiceImpl] for bean with name 'ratingService' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/service/RatingServiceImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.service.RatingServiceImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.CallController] for bean with name 'callController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\CallController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/CallController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.CallController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.MenuController] for bean with name 'menuController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\MenuController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/MenuController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.MenuController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.OrderController] for bean with name 'orderController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\OrderController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/OrderController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.OrderController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.RestaurantController] for bean with name 'restaurantController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\RestaurantController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/RestaurantController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.RestaurantController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.UserController] for bean with name 'userController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\UserController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/UserController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.UserController)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.DAO.OrderDAOImpl] for bean with name 'orderDAO' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/DAO/OrderDAOImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.DAO.OrderDAOImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.service.OrderServiceImpl] for bean with name 'orderService' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/service/OrderServiceImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.service.OrderServiceImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.DAO.MenuTypeDAOImpl] for bean with name 'menutypeDAO' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/DAO/MenuTypeDAOImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.DAO.MenuTypeDAOImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.service.MenuTypeServiceImpl] for bean with name 'menutypeService' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/service/MenuTypeServiceImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.service.MenuTypeServiceImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.DAO.RestaurantDAOImpl] for bean with name 'restaurantDAO' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/DAO/RestaurantDAOImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.DAO.RestaurantDAOImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.service.RestaurantServiceImpl] for bean with name 'restaurantService' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/service/RestaurantServiceImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.service.RestaurantServiceImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.DAO.RatingDAOImpl] for bean with name 'ratingDAO' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/DAO/RatingDAOImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.DAO.RatingDAOImpl)
Related cause: org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.service.RatingServiceImpl] for bean with name 'ratingService' defined in ServletContext resource [/WEB-INF/config/spring-context.xml]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/service/RatingServiceImpl : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.service.RatingServiceImpl)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:527)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
	org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:442)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:458)
	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:339)
	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:306)
	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:662)
root cause

org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [com.bistroservices.spring.mvc.controller.CallController] for bean with name 'callController' defined in file [C:\apache-tomcat-7.0.61\apache-tomcat-7.0.61\webapps\ukuze\WEB-INF\classes\com\bistroservices\spring\mvc\controller\CallController.class]: problem with class file or dependent class; nested exception is java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/CallController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.CallController)
	org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1253)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:576)
	org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1319)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:315)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:296)
	org.springframework.context.support.AbstractApplicationContext.getBeanNamesForType(AbstractApplicationContext.java:1132)
	org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMapping.detectHandlers(AbstractDetectingUrlHandlerMapping.java:75)
	org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMapping.initApplicationContext(AbstractDetectingUrlHandlerMapping.java:58)
	org.springframework.context.support.ApplicationObjectSupport.initApplicationContext(ApplicationObjectSupport.java:119)
	org.springframework.web.context.support.WebApplicationObjectSupport.initApplicationContext(WebApplicationObjectSupport.java:72)
	org.springframework.context.support.ApplicationObjectSupport.setApplicationContext(ApplicationObjectSupport.java:73)
	org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:106)
	org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:85)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:394)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1413)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
	org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:442)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:458)
	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:339)
	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:306)
	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:662)
root cause

java.lang.UnsupportedClassVersionError: com/bistroservices/spring/mvc/controller/CallController : Unsupported major.minor version 52.0 (unable to load class com.bistroservices.spring.mvc.controller.CallController)
	org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:2961)
	org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:1210)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1690)
	org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1571)
	org.springframework.util.ClassUtils.forName(ClassUtils.java:257)
	org.springframework.beans.factory.support.AbstractBeanDefinition.resolveBeanClass(AbstractBeanDefinition.java:408)
	org.springframework.beans.factory.support.AbstractBeanFactory.doResolveBeanClass(AbstractBeanFactory.java:1271)
	org.springframework.beans.factory.support.AbstractBeanFactory.resolveBeanClass(AbstractBeanFactory.java:1242)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:576)
	org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1319)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:315)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:296)
	org.springframework.context.support.AbstractApplicationContext.getBeanNamesForType(AbstractApplicationContext.java:1132)
	org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMapping.detectHandlers(AbstractDetectingUrlHandlerMapping.java:75)
	org.springframework.web.servlet.handler.AbstractDetectingUrlHandlerMapping.initApplicationContext(AbstractDetectingUrlHandlerMapping.java:58)
	org.springframework.context.support.ApplicationObjectSupport.initApplicationContext(ApplicationObjectSupport.java:119)
	org.springframework.web.context.support.WebApplicationObjectSupport.initApplicationContext(WebApplicationObjectSupport.java:72)
	org.springframework.context.support.ApplicationObjectSupport.setApplicationContext(ApplicationObjectSupport.java:73)
	org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:106)
	org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:85)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:394)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1413)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:519)
	org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:456)
	org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:291)
	org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
	org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:288)
	org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:190)
	org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:580)
	org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:895)
	org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:425)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:442)
	org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:458)
	org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:339)
	org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:306)
	org.springframework.web.servlet.HttpServletBean.init(HttpServletBean.java:127)
	javax.servlet.GenericServlet.init(GenericServlet.java:158)
	org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
	org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
	org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)
	org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)
	org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)
	org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)
	org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)
	java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
	java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
	org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
	java.lang.Thread.run(Thread.java:662)
note The full stack trace of the root cause is available in the Apache Tomcat/7.0.61 logs.

Apache Tomcat/7.0.61