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                        /后端开发
                        
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                        /Java高并发秒杀API之高并发优化

一个奇怪的ClassNotFound

代码里面没有直接用到这个类，然后这个类在依赖包里面也是存在的，log如下：

二月 28, 2017 7:53:32 下午 org.apache.catalina.core.ApplicationContext log

信息: Initializing Spring FrameworkServlet 'seckill-dispatcher'

二月 28, 2017 7:53:32 下午 org.apache.catalina.core.ApplicationContext log

严重: StandardWrapper.Throwable

java.lang.NoClassDefFoundError: com/dyuproject/protostuff/Schema

at java.lang.Class.getDeclaredMethods0(Native Method)

at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)

at java.lang.Class.getDeclaredMethods(Class.java:1975)

at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:572)

at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:489)

at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:475)

at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.determineCandidateConstructors(AutowiredAnnotationBeanPostProcessor.java:241)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineConstructorsFromBeanPostProcessors(AbstractAutowireCapableBeanFactory.java:1065)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1038)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:504)

at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:476)

at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:303)

at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230)

at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:299)

at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:194)

at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:755)

at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:757)

at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:480)

at org.springframework.web.servlet.FrameworkServlet.configureAndRefreshWebApplicationContext(FrameworkServlet.java:664)

at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:630)

at org.springframework.web.servlet.FrameworkServlet.createWebApplicationContext(FrameworkServlet.java:678)

at org.springframework.web.servlet.FrameworkServlet.initWebApplicationContext(FrameworkServlet.java:549)

at org.springframework.web.servlet.FrameworkServlet.initServletBean(FrameworkServlet.java:490)

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:1282)

at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1195)

at org.apache.catalina.core.StandardWrapper.allocate(StandardWrapper.java:866)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:134)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)

at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)

at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:442)

at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1082)

at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:623)

at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:316)

at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)

at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

at java.lang.Thread.run(Thread.java:745)

Caused by: java.lang.ClassNotFoundException: com.dyuproject.protostuff.Schema

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1891)

at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1734)

... 42 more

二月 28, 2017 7:53:32 下午 org.apache.catalina.core.StandardWrapperValve invoke

严重: Allocate exception for servlet seckill-dispatcher

java.lang.ClassNotFoundException: com.dyuproject.protostuff.Schema