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  在启动SpringBoot项目时，提示一堆的Positive matches、Negative matches（如下代码框）,感觉像是报错了样。但用SpringBoot的Test类操作数据库的Insert是成功的。提示这些信息通过网上搜索主要讲配置类被Spring容器加载与被加载的说明。名词解释如下：

• Positive matches：@Conditional条件为真，配置类被Spring容器加载。
• Negative matches: @Conditional条件为假，配置类未被Spring容器加载。
• Exclusions： 应用端明确排除加载配置
• Unconditional classes： 自动配置类不包含任何类级别的条件，也就是说，类始终会被自动加载。

2023-11-23 22:19:06.345 [DEBUG]  [main] o.s.c.s.DefaultLifecycleProcessor - Starting beans in phase -2147483647 
2023-11-23 22:19:06.345 [DEBUG]  [main] o.s.c.s.DefaultLifecycleProcessor - Successfully started bean 'springBootLoggingLifecycle' 
2023-11-23 22:19:06.348 [DEBUG]  [main] o.s.b.a.l.ConditionEvaluationReportLoggingListener - ============================
CONDITIONS EVALUATION REPORT
============================Positive matches:
-----------------ConfigurationPropertiesRebinderAutoConfiguration matched:- @ConditionalOnBean (types: org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor; SearchStrategy: all) found bean 'org.springframework.boot.context.properties.ConfigurationPropertiesBindingPostProcessor' (OnBeanCondition)ConfigurationPropertiesRebinderAutoConfiguration#configurationPropertiesBeans matched:- @ConditionalOnMissingBean (types: org.springframework.cloud.context.properties.ConfigurationPropertiesBeans; SearchStrategy: current) did not find any beans (OnBeanCondition)ConfigurationPropertiesRebinderAutoConfiguration#configurationPropertiesRebinder matched:- @ConditionalOnMissingBean (types: org.springframework.cloud.context.properties.ConfigurationPropertiesRebinder; SearchStrategy: current) did not find any beans (OnBeanCondition)EncryptionBootstrapConfiguration matched:- @ConditionalOnClass found required class 'org.springframework.security.crypto.encrypt.TextEncryptor' (OnClassCondition)EncryptionBootstrapConfiguration#keyProperties matched:- @ConditionalOnMissingBean (types: org.springframework.cloud.bootstrap.encrypt.KeyProperties; SearchStrategy: all) did not find any beans (OnBeanCondition)PropertyPlaceholderAutoConfiguration#propertySourcesPlaceholderConfigurer matched:- @ConditionalOnMissingBean (types: org.springframework.context.support.PropertySourcesPlaceholderConfigurer; SearchStrategy: current) did not find any beans (OnBeanCondition)Negative matches:
-----------------EncryptionBootstrapConfiguration.RsaEncryptionConfiguration:Did not match:- Keystore nor key found in Environment (EncryptionBootstrapConfiguration.KeyCondition)Matched:- @ConditionalOnClass found required class 'org.springframework.security.rsa.crypto.RsaSecretEncryptor' (OnClassCondition)EncryptionBootstrapConfiguration.VanillaEncryptionConfiguration:Did not match:- @ConditionalOnMissingClass found unwanted class 'org.springframework.security.rsa.crypto.RsaSecretEncryptor' (OnClassCondition)Exclusions:
-----------NoneUnconditional classes:
----------------------None

  虽然不影响功能，但看起来受不了。于是一顿搜索，网上有说在yml里面配置springframework日志为info或error，或配置logging日志都不对。突然间查看日志打开【DEBUG】，恍然大悟自己的工程文件中配置有logback.xml，于是在里修改日志级别为INFO就不会打印烦人的加载信息了。

<?xml version="1.0" encoding="UTF-8"?>
<configuration><!--CONSOLE ：表示当前的日志信息是可以输出到控制台的。--><appender name="Console" class="ch.qos.logback.core.ConsoleAppender"><encoder><pattern>%d{yyyy-MM-dd HH:mm:ss.SSS} [%level]  %cyan([%thread]) %boldGreen(%logger{15}) - %msg %n</pattern></encoder></appender><logger name="com.itheima" level="INFO" additivity="false"><appender-ref ref="Console"/></logger><!--level:用来设置打印级别，大小写无关：TRACE, DEBUG, INFO, WARN, ERROR, ALL 和 OFF， 默认debug<root>可以包含零个或多个<appender-ref>元素，标识这个输出位置将会被本日志级别控制。--><root level="INFO"><appender-ref ref="Console"/></root>
</configuration>

参考地址：

https://www.cnblogs.com/ithg/p/15661021.html

参考地址：

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