那些遇到过的问题

使用 spring-jcl 进行标准共享日志记录发现

Nuñ*_*ada 20 java logging spring-boot

我有一个带有这些依赖项的 springBoot：

<dependencies>
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-jpa</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-security</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-validation</artifactId>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.projectlombok/lombok -->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.18.28</version>
            <scope>provided</scope>
        </dependency>

        <!-- https://mvnrepository.com/artifact/com.mashape.unirest/unirest-java -->
        <dependency>
            <groupId>com.mashape.unirest</groupId>
            <artifactId>unirest-java</artifactId>
            <version>1.4.9</version>
        </dependency>

        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>io.jsonwebtoken</groupId>
            <artifactId>jjwt-api</artifactId>
            <version>0.11.5</version>
        </dependency>

        <dependency>
            <groupId>io.jsonwebtoken</groupId>
            <artifactId>jjwt-impl</artifactId>
            <version>0.11.5</version>
            <scope>runtime</scope>
        </dependency>

        <dependency>
            <groupId>io.jsonwebtoken</groupId>
            <artifactId>jjwt-jackson</artifactId>
            <version>0.11.5</version>
            <scope>runtime</scope>
        </dependency>


        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.security</groupId>
            <artifactId>spring-security-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
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但我在控制台上有这样的消息：

Standard Commons Logging discovery in action with spring-jcl: please remove commons-logging.jar from classpath in order to avoid potential conflicts
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这里是 mvn dependency:tree ：

[INFO] Scanning for projects...
[INFO] 
[INFO] ----------------< com.planets:com.planets >-----------------
[INFO] Building planets 0.0.1-SNAPSHOT
[INFO]   from pom.xml
[INFO] --------------------------------[ jar ]---------------------------------
[INFO] 
[INFO] --- dependency:3.5.0:tree (default-cli) @ com.planets ---
[INFO] com.planets:com.planets:jar:0.0.1-SNAPSHOT
[INFO] +- org.springframework.boot:spring-boot-starter-data-jpa:jar:3.1.1:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-aop:jar:3.1.1:compile
[INFO] |  |  \- org.aspectj:aspectjweaver:jar:1.9.19:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-jdbc:jar:3.1.1:compile
[INFO] |  |  +- com.zaxxer:HikariCP:jar:5.0.1:compile
[INFO] |  |  \- org.springframework:spring-jdbc:jar:6.0.10:compile
[INFO] |  +- org.hibernate.orm:hibernate-core:jar:6.2.5.Final:compile
[INFO] |  |  +- jakarta.persistence:jakarta.persistence-api:jar:3.1.0:compile
[INFO] |  |  +- jakarta.transaction:jakarta.transaction-api:jar:2.0.1:compile
[INFO] |  |  +- org.jboss.logging:jboss-logging:jar:3.5.1.Final:compile
[INFO] |  |  +- org.hibernate.common:hibernate-commons-annotations:jar:6.0.6.Final:runtime
[INFO] |  |  +- io.smallrye:jandex:jar:3.0.5:runtime
[INFO] |  |  +- com.fasterxml:classmate:jar:1.5.1:compile
[INFO] |  |  +- net.bytebuddy:byte-buddy:jar:1.14.5:runtime
[INFO] |  |  +- org.glassfish.jaxb:jaxb-runtime:jar:4.0.3:runtime
[INFO] |  |  |  \- org.glassfish.jaxb:jaxb-core:jar:4.0.3:runtime
[INFO] |  |  |     +- org.eclipse.angus:angus-activation:jar:2.0.1:runtime
[INFO] |  |  |     +- org.glassfish.jaxb:txw2:jar:4.0.3:runtime
[INFO] |  |  |     \- com.sun.istack:istack-commons-runtime:jar:4.1.2:runtime
[INFO] |  |  +- jakarta.inject:jakarta.inject-api:jar:2.0.1:runtime
[INFO] |  |  \- org.antlr:antlr4-runtime:jar:4.10.1:compile
[INFO] |  +- org.springframework.data:spring-data-jpa:jar:3.1.1:compile
[INFO] |  |  +- org.springframework.data:spring-data-commons:jar:3.1.1:compile
[INFO] |  |  +- org.springframework:spring-orm:jar:6.0.10:compile
[INFO] |  |  +- org.springframework:spring-context:jar:6.0.10:compile
[INFO] |  |  +- org.springframework:spring-tx:jar:6.0.10:compile
[INFO] |  |  +- org.springframework:spring-beans:jar:6.0.10:compile
[INFO] |  |  +- jakarta.annotation:jakarta.annotation-api:jar:2.1.1:compile
[INFO] |  |  \- org.slf4j:slf4j-api:jar:2.0.7:compile
[INFO] |  \- org.springframework:spring-aspects:jar:6.0.10:compile
[INFO] +- org.springframework.boot:spring-boot-starter-security:jar:3.1.1:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter:jar:3.1.1:compile
[INFO] |  |  +- org.springframework.boot:spring-boot:jar:3.1.1:compile
[INFO] |  |  +- org.springframework.boot:spring-boot-autoconfigure:jar:3.1.1:compile
[INFO] |  |  +- org.springframework.boot:spring-boot-starter-logging:jar:3.1.1:compile
[INFO] |  |  |  +- ch.qos.logback:logback-classic:jar:1.4.8:compile
[INFO] |  |  |  |  \- ch.qos.logback:logback-core:jar:1.4.8:compile
[INFO] |  |  |  +- org.apache.logging.log4j:log4j-to-slf4j:jar:2.20.0:compile
[INFO] |  |  |  |  \- org.apache.logging.log4j:log4j-api:jar:2.20.0:compile
[INFO] |  |  |  \- org.slf4j:jul-to-slf4j:jar:2.0.7:compile
[INFO] |  |  \- org.yaml:snakeyaml:jar:1.33:compile
[INFO] |  +- org.springframework:spring-aop:jar:6.0.10:compile
[INFO] |  +- org.springframework.security:spring-security-config:jar:6.1.1:compile
[INFO] |  \- org.springframework.security:spring-security-web:jar:6.1.1:compile
[INFO] |     \- org.springframework:spring-expression:jar:6.0.10:compile
[INFO] +- org.springframework.boot:spring-boot-starter-validation:jar:3.1.1:compile
[INFO] |  +- org.apache.tomcat.embed:tomcat-embed-el:jar:10.1.10:compile
[INFO] |  \- org.hibernate.validator:hibernate-validator:jar:8.0.0.Final:compile
[INFO] |     \- jakarta.validation:jakarta.validation-api:jar:3.0.2:compile
[INFO] +- org.springframework.boot:spring-boot-starter-web:jar:3.1.1:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-json:jar:3.1.1:compile
[INFO] |  |  +- com.fasterxml.jackson.datatype:jackson-datatype-jdk8:jar:2.15.2:compile
[INFO] |  |  +- com.fasterxml.jackson.datatype:jackson-datatype-jsr310:jar:2.15.2:compile
[INFO] |  |  \- com.fasterxml.jackson.module:jackson-module-parameter-names:jar:2.15.2:compile
[INFO] |  +- org.springframework.boot:spring-boot-starter-tomcat:jar:3.1.1:compile
[INFO] |  |  +- org.apache.tomcat.embed:tomcat-embed-core:jar:10.1.10:compile
[INFO] |  |  \- org.apache.tomcat.embed:tomcat-embed-websocket:jar:10.1.10:compile
[INFO] |  +- org.springframework:spring-web:jar:6.0.10:compile
[INFO] |  |  \- io.micrometer:micrometer-observation:jar:1.11.1:compile
[INFO] |  |     \- io.micrometer:micrometer-commons:jar:1.11.1:compile
[INFO] |  \- org.springframework:spring-webmvc:jar:6.0.10:compile
[INFO] +- com.fasterxml.jackson.core:jackson-annotations:jar:2.15.2:compile
[INFO] +- org.projectlombok:lombok:jar:1.18.28:provided
[INFO] +- com.mashape.unirest:unirest-java:jar:1.4.9:compile
[INFO] |  +- org.apache.httpcomponents:httpclient:jar:4.5.2:compile
[INFO] |  |  +- org.apache.httpcomponents:httpcore:jar:4.4.16:compile
[INFO] |  |  +- commons-logging:commons-logging:jar:1.2:compile
[INFO] |  |  \- commons-codec:commons-codec:jar:1.15:compile
[INFO] |  +- org.apache.httpcomponents:httpasyncclient:jar:4.1.5:compile
[INFO] |  |  \- org.apache.httpcomponents:httpcore-nio:jar:4.4.16:compile
[INFO] |  +- org.apache.httpcomponents:httpmime:jar:4.5.2:compile
[INFO] |  \- org.json:json:jar:20160212:compile
[INFO] +- com.itextpdf:itextpdf:jar:5.5.13.3:compile
[INFO] +- com.mysql:mysql-connector-j:jar:8.0.33:runtime
[INFO] +- io.jsonwebtoken:jjwt-api:jar:0.11.5:compile
[INFO] +- io.jsonwebtoken:jjwt-impl:jar:0.11.5:runtime
[INFO] +- io.jsonwebtoken:jjwt-jackson:jar:0.11.5:runtime
[INFO] |  \- com.fasterxml.jackson.core:jackson-databind:jar:2.15.2:compile
[INFO] |     \- com.fasterxml.jackson.core:jackson-core:jar:2.15.2:compile
[INFO] +- org.springframework.boot:spring-boot-starter-test:jar:3.1.1:test
[INFO] |  +- org.springframework.boot:spring-boot-test:jar:3.1.1:test
[INFO] |  +- org.springframework.boot:spring-boot-test-autoconfigure:jar:3.1.1:test
[INFO] |  +- com.jayway.jsonpath:json-path:jar:2.8.0:test
[INFO] |  +- jakarta.xml.bind:jakarta.xml.bind-api:jar:4.0.0:runtime
[INFO] |  |  \- jakarta.activation:jakarta.activation-api:jar:2.1.2:runtime
[INFO] |  +- net.minidev:json-smart:jar:2.4.11:test
[INFO] |  |  \- net.minidev:accessors-smart:jar:2.4.11:test
[INFO] |  |     \- org.ow2.asm:asm:jar:9.3:test
[INFO] |  +- org.assertj:assertj-core:jar:3.24.2:test
[INFO] |  +- org.hamcrest:hamcrest:jar:2.2:test
[INFO] |  +- org.junit.jupiter:junit-jupiter:jar:5.9.3:test
[INFO] |  |  +- org.junit.jupiter:junit-jupiter-api:jar:5.9.3:test
[INFO] |  |  |  +- org.opentest4j:opentest4j:jar:1.2.0:test
[INFO] |  |  |  +- org.junit.platform:junit-platform-commons:jar:1.9.3:test
[INFO] |  |  |  \- org.apiguardian:apiguardian-api:jar:1.1.2:test
[INFO] |  |  +- org.junit.jupiter:junit-jupiter-params:jar:5.9.3:test
[INFO] |  |  \- org.junit.jupiter:junit-jupiter-engine:jar:5.9.3:test
[INFO] |  |     \- org.junit.platform:junit-platform-engine:jar:1.9.3:test
[INFO] |  +- org.mockito:mockito-core:jar:5.3.1:test
[INFO] |  |  +- net.bytebuddy:byte-buddy-agent:jar:1.14.5:test
[INFO] |  |  \- org.objenesis:objenesis:jar:3.3:test
[INFO] |  +- org.mockito:mockito-junit-jupiter:jar:5.3.1:test
[INFO] |  +- org.skyscreamer:jsonassert:jar:1.5.1:test
[INFO] |  |  \- com.vaadin.external.google:android-json:jar:0.0.20131108.vaadin1:test
[INFO] |  +- org.springframework:spring-core:jar:6.0.10:compile
[INFO] |  |  \- org.springframework:spring-jcl:jar:6.0.10:compile
[INFO] |  +- org.springframework:spring-test:jar:6.0.10:test
[INFO] |  \- org.xmlunit:xmlunit-core:jar:2.9.1:test
[INFO] \- org.springframework.security:spring-security-test:jar:6.1.1:test
[INFO]    \- org.springframework.security:spring-security-core:jar:6.1.1:compile
[INFO]       \- org.springframework.security:spring-security-crypto:jar:6.1.1:compile
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
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Von*_*onC 25

例如，如camunda/zeebePR13300所示：

Spring 在使用不同版本的commons-logging. 他们使用自己的变体，spring-jcl并且导入commons-logging与此冲突。

commons-logging所以我首先尝试从项目依赖项中排除。这将强制您的应用程序使用 Spring Boot Starter 提供的日志系统。

<dependencies>
    <!-- other dependencies -->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
        <exclusions>
            <exclusion>
                <groupId>commons-logging</groupId>
                <artifactId>commons-logging</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <!-- other dependencies -->
</dependencies>
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如果其他依赖项也引入公共日志记录，您可能需要向它们添加类似的排除：

mvn dependency:tree | grep commons-logging
# or
mvn dependency:tree | findstr commons-logging
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从你的 Maven 树：

<dependencies>
    <dependency>
        <groupId>com.mashape.unirest</groupId>
        <artifactId>unirest-java</artifactId>
        <version>1.4.9</version>
        <exclusions>
            <exclusion>
                <groupId>commons-logging</groupId>
                <artifactId>commons-logging</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
</dependencies>
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沙什瓦特问：

有没有办法让 springboot 处理它而不删除冲突的条目？

虽然通常最好删除冲突的条目以确保清晰度并避免潜在问题，但有一些方法可以在不删除commons-logging依赖项的情况下解决冲突。只要正确配置日志系统，即使日志存在，spring-jclSpring Boot 也可以管理日志。commons-logging

Spring Boot 可以使用SLF4J进行日志记录。您可以桥commons-logging接到 SLF4J 以确保所有日志记录都通过同一通道。为此，请将jcl-over-slf4j依赖项包含在您的项目中：

<dependency>
    <groupId>org.slf4j</groupId>
    <artifactId>jcl-over-slf4j</artifactId>
    <version>YourSLF4JVersion</version>
</dependency>
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该依赖项在运行时替换commons-logging为委托给 SLF4J 的版本。

或者：您可以通过在目录中添加logback.xml或logback-spring.xml文件来自定义 Spring Boot 中的日志记录配置src/main/resources。该文件允许您定义如何处理日志记录，包括各种日志记录框架的集成。

commons-logging如果您仍然遇到问题，则只有在引起冲突时才可以有条件地排除。这可以通过分析项目的依赖关系树并在发生冲突的地方应用排除来实现。

  • @NunyetdeCanCalçada 你能检查 mvn dependency:tree out 中这一行之前的行吗？它导入了公共日志记录？它应该是`some.group:some-artifact:jar:1.0.0:compile`，并且您需要从`some.group:some-artifact`中排除commons-logging。 (2认同)
  • @NunyetdeCanCalçada 我已经更新了答案，以考虑您的上次编辑和您的 Maven 依赖关系树。 (2认同)

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