idea 运行spring boot 出现错误处理

1.如果idea 运行spring boot 出现以下错误
 
Error startingApplicationContext. To display the auto-configuration report re-run yourapplication with 'debug' enabled.
[ERROR]21:28:37.177 [main] o.s.b.d.LoggingFailureAnalysisReporter -
 
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APPLICATION FAILEDTO START
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Description:
 
Constructor inorg.springframework.boot.autoconfigure.admin.SpringApplicationAdminJmxAutoConfigurationrequired a single bean, but 2 were found:
         - mbeanExporter: defined by method 'mbeanExporter'in class path resource[org/springframework/context/annotation/MBeanExportConfiguration.class]
         - endpointMBeanExporter: defined bymethod 'endpointMBeanExporter' in class path resource[org/springframework/boot/actuate/autoconfigure/EndpointMBeanExportAutoConfiguration.class]
 
 
Action:
 
Consider markingone of the beans as @Primary, updating the consumer to accept multiple beans,or using @Qualifier to identify the bean that should be consumed
 
 
Process finishedwith exit code 1
 
解决方法如下
   




去掉




就解决了。
2.spring boot 在使用mybatis 中 
出现在以下错误
业务类service层中用@service @Autowired 把mapper注入，实际运行时执行到该service报错，报mapper没有注入



跟IDEA得编译有关。
解决方式如下：







把error改为警告就好了