java.lang.NoClassDefFoundError: org/quartz/SchedulerException

描述 :

昨天运行的时候还好好地, 今天突然报错.

错误 : java.lang.NoClassDefFoundError: org/quartz/SchedulerException

Caused by: java.lang.IllegalStateException: Error starting child
		at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:720)
		at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:690)
		at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:705)
		at org.apache.catalina.startup.HostConfig.manageApp(HostConfig.java:1728)
		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 org.apache.tomcat.util.modeler.BaseModelMBean.invoke(BaseModelMBean.java:289)
		... 35 more
	Caused by: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/JavaWeb_master_Web_exploded]]
		at org.apache.catalina.util.LifecycleBase.handleSubClassException(LifecycleBase.java:440)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:198)
		at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:717)
		... 43 more
	Caused by: java.lang.NoClassDefFoundError: org/quartz/SchedulerException
		at java.lang.Class.getDeclaredFields0(Native Method)
		at java.lang.Class.privateGetDeclaredFields(Class.java:2583)
		at java.lang.Class.getDeclaredFields(Class.java:1916)
		at org.apache.catalina.util.Introspection.getDeclaredFields(Introspection.java:110)
		at org.apache.catalina.startup.WebAnnotationSet.loadFieldsAnnotation(WebAnnotationSet.java:269)
		at org.apache.catalina.startup.WebAnnotationSet.loadApplicationListenerAnnotations(WebAnnotationSet.java:89)
		at org.apache.catalina.startup.WebAnnotationSet.loadApplicationAnnotations(WebAnnotationSet.java:67)
		at org.apache.catalina.startup.ContextConfig.applicationAnnotationsConfig(ContextConfig.java:330)
		at org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:777)
		at org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:301)
		at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
		at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5056)
		at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
		... 44 more
	Caused by: java.lang.ClassNotFoundException: org.quartz.SchedulerException
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1365)
		at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1188)
		... 57 more

原因 : 

因为昨天还没问题, 排除 jar 包问题, 冥思苦想了好长时间, 忘了昨天把这个项目移动到了另一个目录, 而移动的目录中含有数字, 导致报错.

解决 :

移动到没有数字的目录重新启动即可运行.