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Samebug tips

  1. ,
    Expert tip

    A few things cause this exception:
    1) Check if you have all jars and if they're in the correct path.
    2) Your classpath might be broken, you can define it in the command line with java -cp yourClassPath or at your IDE if you're using one.

  2. ,
    via netty.io by Unknown author

    Needs to add netty-transport-native-epoll with a OS classifier to the classpath, it's not included in netty-all

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java.lang.ClassNotFoundException: org.springframework.security.authentication.AuthenticationManager	at java.net.URLClassLoader.findClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)	at java.lang.ClassLoader.loadClass(Unknown Source)	at java.lang.Class.getDeclaredMethods0(Native Method)	at java.lang.Class.privateGetDeclaredMethods(Unknown Source)	at java.lang.Class.getDeclaredMethods(Unknown Source)	at org.springframework.util.ReflectionUtils.getDeclaredMethods(ReflectionUtils.java:613)	at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:524)	at org.springframework.util.ReflectionUtils.doWithMethods(ReflectionUtils.java:510)	at org.springframework.util.ReflectionUtils.getUniqueDeclaredMethods(ReflectionUtils.java:570)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.getTypeForFactoryMethod(AbstractAutowireCapableBeanFactory.java:697)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.determineTargetType(AbstractAutowireCapableBeanFactory.java:640)	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.predictBeanType(AbstractAutowireCapableBeanFactory.java:609)	at org.springframework.beans.factory.support.AbstractBeanFactory.isFactoryBean(AbstractBeanFactory.java:1484)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.doGetBeanNamesForType(DefaultListableBeanFactory.java:425)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeanNamesForType(DefaultListableBeanFactory.java:395)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:515)	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBeansOfType(DefaultListableBeanFactory.java:508)	at org.springframework.context.support.AbstractApplicationContext.getBeansOfType(AbstractApplicationContext.java:1189)	at org.springframework.boot.SpringApplication.getExitCodeFromMappedException(SpringApplication.java:862)	at org.springframework.boot.SpringApplication.getExitCodeFromException(SpringApplication.java:848)	at org.springframework.boot.SpringApplication.handleExitCode(SpringApplication.java:834)	at org.springframework.boot.SpringApplication.handleRunFailure(SpringApplication.java:788)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:325)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1162)	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1151)	at com.xxxxx.course.api.CourseApiApplication.main(CourseApiApplication.java:14)