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java.lang.NoClassDefFoundError: com/octo/captcha/service/CaptchaServiceException	at java.lang.Class.forName0(Native Method)	at java.lang.Class.forName(Class.java:242)	at org.springframework.beans.factory.support.BeanDefinitionReaderUtils.createBeanDefinition(BeanDefinitionReaderUtils.java:60)	at org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.parseBeanDefinition(DefaultXmlBeanDefinitionParser.java:306)	at org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.parseBeanDefinition(DefaultXmlBeanDefinitionParser.java:274)	at org.springframework.beans.factory.xml.DefaultXmlBeanDefinitionParser.registerBeanDefinitions(DefaultXmlBeanDefinitionParser.java:186)	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.registerBeanDefinitions(XmlBeanDefinitionReader.java:175)	at org.springframework.beans.factory.xml.XmlBeanDefinitionReader.loadBeanDefinitions(XmlBeanDefinitionReader.java:133)	at org.springframework.beans.factory.support.AbstractBeanDefinitionReader.loadBeanDefinitions(AbstractBeanDefinitionReader.java:99)	at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:114)	at org.springframework.web.context.support.XmlWebApplicationContext.loadBeanDefinitions(XmlWebApplicationContext.java:82)	at org.springframework.context.support.AbstractRefreshableApplicationContext.refreshBeanFactory(AbstractRefreshableApplicationContext.java:87)	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:262)	at org.springframework.web.context.support.AbstractRefreshableWebApplicationContext.refresh(AbstractRefreshableWebApplicationContext.java:131)	at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:224)	at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:150)	at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:48)	at com.atlassian.spring.container.ContainerContextLoaderListener.contextInitialized(ContainerContextLoaderListener.java:32)	at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3727)	at org.apache.catalina.core.StandardContext.start(StandardContext.java:4162)	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)	at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)	at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)	at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)	at org.apache.catalina.core.StandardService.start(StandardService.java:450)	at org.apache.catalina.core.StandardServer.start(StandardServer.java:700)	at org.apache.catalina.startup.Catalina.start(Catalina.java:551)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:585)	at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:275)	at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)