说明项目没有加载jar包 异常:Caused by: java.lang.NoClassDefFoundError: org/springframework/web/context/WebApplicationContext 解决方案:对着工程点右键->Properties ->MyEclipse-> Deployment Assembly -> Add--> Folder -->选择 lib(eclipse中位于webContent下,myeclipse中位于webR…

1.错误描述 严重: A child container failed during start java.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/smp]] at java.util.concurre…

一.NoClassDefFoundError与ClassNotFoundException NoClassDefFoundError错误的发生,是因为Java虚拟机在编译时能找到合适的类,而在运行时不能找到合适的类导致的错误.例如在运行时我们想调用某个类的方法或者访问这个类的静态成员的时候,发现这个类不可用,此时Java虚拟机就会抛出NoClassDefFoundError错误. ClassNotFoundException这个错误发生只在运行时需要加载对应的类不成功,而不是编译时发生. NoC…

异常信息 2017-09-02 18:06:37.223 [main] ERROR o.s.boot.SpringApplication - Application startup failed java.lang.IllegalStateException: Could not evaluate condition on org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration$Endpoint…

又是一个报错,我写代码真的是可以,所有的bug都会被我遇到,所有的问题我都能踩一遍,以前上学的时候同学就喜欢问我问题,因为他们遇到的问题,我早就遇到了......... 看看报错内容: 2019-04-04 12:01:39.612 ERROR 12628 --- [ restartedMain] o.s.boot.SpringApplication : Application run failed java.lang.IllegalStateException: Error processin…

昨天还好好的, 今天我的spring boot 项目就不能正常运行了! 出现: 018-07-06 10:01:41.776 WARN [mq-service,,,] 7 --- [ main] ationConfigEmbeddedWebApplicationContext : Exception thrown from LifecycleProcessor on context close java.lang.IllegalStateException: LifecycleProcessor…

报错信息 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'nacosConfigurationPropertiesBinder': Bean instantiation via constructor failed; nested exception is org.springframework.beans.BeanInstantiationException: Fai…

Exception in thread "main" java.lang.NoClassDefFoundError: org/springframework/web/socket/server/standard/ServerEndpointExporter    at java.lang.Class.getDeclaredMethods0(Native Method)    at java.lang.Class.privateGetDeclaredMethods(Class.java:…

严重: Failed to initialize end point associated with ProtocolHandler ["http-bio-8080"] java.net.BindException: Address already in use <null>:8080 at org.apache.tomcat.util.net.JIoEndpoint.bind(JIoEndpoint.java:407) at org.apache.tomcat.util.…

A child container failed during startjava.util.concurrent.ExecutionException: org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Tomcat].StandardHost[localhost].StandardContext[/book_shop]] at java.util.concurrent.Futur…