最近在学习使用spring boot.使用maven创建好工程,只引用需要用到的spring boot相关的jar包,除此之外没有任何的配置. 写了一个最简单的例子,如下所示: package com.torlight; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.spring…

Springboot 之 启动报错-数据库 springboot项目在启动时,报如下错误: Error starting ApplicationContext. To display the auto-configuration report re-run your application with 'debug' enabled. 2019-09-09 20:47:28.395 ERROR 16240 --- [ main] o.s.b.d.LoggingFailureAnalysisRepo…

Caused by: java.lang.IllegalArgumentException: Not a managed type: class com.pisen.cloud.luna.feign.ten.beans.SysUser at org.hibernate.jpa.internal.metamodel.MetamodelImpl.managedType(MetamodelImpl.java:210) ~[hibernate-entitymanager-5.0.12.Final.jar…

1.Spring boot 启动报错 Failed to auto-configure a DataSource 参考资料https://blog.csdn.net/liuyinfei_java/article/details/79750146…

spring boot 启动报错如下 org.springframework.context.ApplicationContextException: Unable to start web server; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'org.springframework.boot.autoconfigure…

解决spring boot启动报错java.lang.NoClassDefFoundError: ch/qos/logback/classic/Level 学习了:https://blog.csdn.net/yunfeng482/article/details/78106433 没想到啊:我都看见了,idea也反编不了: 没想到要重新下载啊:…

spring boot 启动报错: Caused by: java.lang.IllegalArgumentException: LoggerFactory is not a Logback LoggerContext but Logback is on the classpath. Either remove Logback or the competing implementation (class org.slf4j.impl.Log4jLoggerFactory loaded from…

由于我不需要数据库,启动springboot报错: Cannot determine embedded database driver class for database type NONE If you want an embedded database please put a supported one on the classpath. If you have database settings to be loaded from a particular profile you ma…

原因: Cannot determine embedded database driver class for database type NONE 这是因为spring boot默认会加载org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration类,DataSourceAutoConfiguration类使用了@Configuration注解向spring注入了dataSource bean.因为工程中没有关于…

今天学习springboot,使用idea创建项目.在选择组件时添加了mysq 然后在第一次启动的时候启动报错,错误信息如下: ***************************APPLICATION FAILED TO START***************************Description:Failed to auto-configure a DataSource: 'spring.datasource.url' is not specified and no embedd…