如何解决删除 BackgroundPreinitializer 上不相关的日志
编辑我现在无法升级 tomcat，因此相关答案与此处无关
我们正在使用 8.5.50 并遇到 bug 产生的日志：
2021-06-06 12:37:50,482 DEBUG [background-preinit] messageinterpolation.ResourceBundleMessageInterpolator (ResourceBundleMessageInterpolator.java:220) - Failed to load expression factory via classloader ParallelWebappClassLoader
context: ROOT
delegate: false
----------> Parent Classloader:
java.net.urlclassloader@76f856a8
javax.el.ELException: Unable to find ExpressionFactory of type [# Licensed to the Apache Software Foundation (ASF) under one or more]
at javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:154) ~[el-api.jar:3.0.FR]
at javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:93) ~[el-api.jar:3.0.FR]
at org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator.canLoadExpressionFactory(ResourceBundleMessageInterpolator.java:216) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator.buildExpressionFactory(ResourceBundleMessageInterpolator.java:170) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator.<init>(ResourceBundleMessageInterpolator.java:94) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.hibernate.validator.internal.engine.AbstractConfigurationImpl.getDefaultMessageInterpolator(AbstractConfigurationImpl.java:573) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.hibernate.validator.internal.engine.AbstractConfigurationImpl.getDefaultMessageInterpolatorConfiguredWithClassLoader(AbstractConfigurationImpl.java:822) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.hibernate.validator.internal.engine.AbstractConfigurationImpl.getMessageInterpolator(AbstractConfigurationImpl.java:483) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.hibernate.validator.internal.engine.ValidatorFactoryImpl.<init>(ValidatorFactoryImpl.java:153) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.hibernate.validator.HibernateValidator.buildValidatorFactory(HibernateValidator.java:38) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.hibernate.validator.internal.engine.AbstractConfigurationImpl.buildValidatorFactory(AbstractConfigurationImpl.java:451) [hibernate-validator-6.2.0.Final.jar:6.2.0.Final]
at org.springframework.boot.autoconfigure.BackgroundPreinitializer$ValidationInitializer.run(BackgroundPreinitializer.java:149) [spring-boot-autoconfigure-2.5.0.jar:2.5.0]
at org.springframework.boot.autoconfigure.BackgroundPreinitializer$1.runSafely(BackgroundPreinitializer.java:111) [spring-boot-autoconfigure-2.5.0.jar:2.5.0]
at org.springframework.boot.autoconfigure.BackgroundPreinitializer$1.run(BackgroundPreinitializer.java:102) [spring-boot-autoconfigure-2.5.0.jar:2.5.0]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_151]
Caused by: java.lang.classNotFoundException: # Licensed to the Apache Software Foundation (ASF) under one or more
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1358) ~[catalina.jar:8.5.50]
at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1180) ~[catalina.jar:8.5.50]
at javax.el.ExpressionFactory.newInstance(ExpressionFactory.java:147) ~[el-api.jar:3.0.FR]
... 14 more
我未能使用应用程序的 log4j 和 tomcat/conf/logging.properties 删除日志
messageinterpolation.ResourceBundleMessageInterpolator.level = INFO
org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator.level = INFO
如何删除此类日志？
相关依赖：
<apache.commons.logging-version>1.1.3</apache.commons.logging-version>
<apache.httpcomponents-version>4.5.2</apache.httpcomponents-version>
<apache.log4j-new-version>2.0.2</apache.log4j-new-version>
<apache.log4j-old-version>1.2.17</apache.log4j-old-version>
<org.slf4j-version>1.7.21</org.slf4j-version>
<hibernate-version>5.5.0.Final</hibernate-version>
<dependency>
<groupId>org.hibernate</groupId>
<artifactId>hibernate-entitymanager</artifactId>
<version>${hibernate-version}</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>${apache.log4j-new-version}</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>${apache.log4j-old-version}</version>
<exclusions>
<exclusion>
<groupId>com.sun.jmx</groupId>
<artifactId>jmxri</artifactId>
</exclusion>
<exclusion>
<groupId>com.sun.jdmk</groupId>
<artifactId>jmxtools</artifactId>
</exclusion>
<exclusion>
<groupId>javax.jms</groupId>
<artifactId>jms</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>apache-log4j-extras</artifactId>
<version>${apache.log4j-old-version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-simple</artifactId>
<version>${org.slf4j-version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jcl-over-slf4j</artifactId>
<version>${org.slf4j-version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>jul-to-slf4j</artifactId>
<version>${org.slf4j-version}</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>log4j-over-slf4j</artifactId>
<version>${org.slf4j-version}</version>
</dependency>
<dependency>
<groupId>commons-logging</groupId>
<artifactId>commons-logging</artifactId>
<version>${apache.commons.logging-version}</version>
</dependency>
解决方法
Hibernate 4.x 及更高版本使用 JBoss Logging 作为日志记录接口（参见 documentation）。为了忽略这些消息，您需要确定生成它们的日志系统。
使用您的依赖项，所有 Hibernate 消息都应转到 Log4j 2。设置：
<Logger name="org.hibernate.validator.messageinterpolation" level="INFO" />
应该禁用消息。
备注：您的 Log4j 1.x 日志系统配置错误：您同时拥有 log4j 和 log4j-over-slf4j（Log4j 1.x 的替代品，它将所有内容发送到 SLF4j ) 在您的依赖项中。随机选择这两种实现中的哪一种。
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