发现错误：未找到 SLF4J 提供程序。和默认无操作（NOP）记录器实现

问题描述 投票：0回答：1

我的日志文件未生成我在启动我的 Spring Boot 应用程序时遇到上述错误。请帮我解决。

<parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>3.1.3</version>
        </parent>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>com.github.ulisesbocchio</groupId>
        <artifactId>jasypt-spring-boot-starter</artifactId>
        <version>3.0.4</version>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter</artifactId>
        <exclusions>
            <exclusion>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-logging</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>com.squareup.okio</groupId>
        <artifactId>okio</artifactId>
        <version>3.5.0</version>
    </dependency>
    <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-api</artifactId>
    </dependency>
    <dependency>
        <groupId>com.sun.mail</groupId>
        <artifactId>javax.mail</artifactId>
        <version>1.6.2</version>
    </dependency>
    <dependency>
        <groupId>org.apache.logging.log4j</groupId>
        <artifactId>log4j-core</artifactId>
    </dependency>


    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-core</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-beans</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aop</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-tx</artifactId>
    </dependency>



    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>servlet-api</artifactId>
        <version>${servlet-api.version}</version>
        <scope>provided</scope>
    </dependency>
    <dependency>
        <groupId>javax.servlet</groupId>
        <artifactId>jstl</artifactId>
        <version>${jstl.version}</version>
    </dependency>

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


    <!-- <dependency> <groupId>javax.servlet</groupId> <artifactId>javax.servlet-api</artifactId> 
        <version>3.1.0</version> <scope>provided</scope> </dependency> -->

    <dependency>
        <groupId>javax.servlet.jsp</groupId>
        <artifactId>jsp-api</artifactId>
        <version>2.2.1-b03</version>
        <scope>provided</scope>
    </dependency>

    <dependency>
        <groupId>org.json</groupId>
        <artifactId>json</artifactId>
        <version>20230227</version>
    </dependency>

    <!-- <dependency> <groupId>net.sf.json-lib</groupId> <artifactId>json-lib</artifactId> 
        <version>2.4</version> <classifier>jdk15</classifier> </dependency> -->

    <dependency>
        <groupId>commons-collections</groupId>
        <artifactId>commons-collections</artifactId>
        <version>3.2.2</version>
    </dependency>

    <!-- <dependency> <groupId>commons-lang</groupId> <artifactId>commons-lang</artifactId> 
        <version>2.6</version> </dependency> -->

    <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-lang3</artifactId>
        <version>3.12.0</version>
    </dependency>

    <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>commons-text</artifactId>
        <version>1.10.0</version>
    </dependency>

    <!-- ADDED -->
    <dependency>
        <groupId>commons-io</groupId>
        <artifactId>commons-io</artifactId>
        <version>2.11.0</version>
    </dependency>

    <!-- ADDED -->
    <dependency>
        <groupId>commons-fileupload</groupId>
        <artifactId>commons-fileupload</artifactId>
        <scope>runtime</scope>
        <version>1.5</version>
    </dependency>

    <dependency>
        <groupId>org.onosproject</groupId>
        <artifactId>jnc</artifactId>
        <version>1.0</version>
    </dependency>

    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.15.2</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.15.2</version>
    </dependency>

    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.27</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-jdbc</artifactId>
        <exclusions>
            <exclusion>
                <groupId>org.apache.tomcat</groupId>
                <artifactId>tomcat-jdbc</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.snmp4j</groupId>
        <artifactId>snmp4j</artifactId>
        <version>2.5.11</version>
        <exclusions>
            <exclusion>
                <groupId>log4j</groupId>
                <artifactId>log4j</artifactId>
            </exclusion>
        </exclusions>
    </dependency>
    <dependency>
        <groupId>org.influxdb</groupId>
        <artifactId>influxdb-java</artifactId>
        <version>2.22</version>
    </dependency>
    <dependency>
        <groupId>org.apache.httpcomponents</groupId>
        <artifactId>httpclient</artifactId>
        <version>4.5.13</version>
    </dependency>

    <dependency>
        <groupId>org.glassfish.jersey.core</groupId>
        <artifactId>jersey-client</artifactId>
    </dependency>

    <dependency>
        <groupId>org.glassfish.jersey.media</groupId>
        <artifactId>jersey-media-multipart</artifactId>
    </dependency>

    <dependency>
        <groupId>org.glassfish.jersey.inject</groupId>
        <artifactId>jersey-hk2</artifactId>
    </dependency>

    <!--    <dependency>
        <groupId>org.glassfish.jersey.ext</groupId>
        <artifactId>jersey-spring5</artifactId>
        <version>2.35</version>
    </dependency>
    
    <dependency>
        <groupId>org.glassfish.jersey.core</groupId>
        <artifactId>jersey-common</artifactId>
        <version>2.35</version>
    </dependency>
     -->
    
    <dependency>
        <groupId>com.google.guava</groupId>
        <artifactId>guava</artifactId>
        <version>32.1.1-jre</version>
    </dependency>

    <dependency>
        <groupId>com.github.seancfoley</groupId>
        <artifactId>ipaddress</artifactId>
        <version>5.3.3</version>
    </dependency>

    <dependency>
        <groupId>com.snmp4j.smi</groupId>
        <artifactId>snmp4j-smi-pro</artifactId>
        <version>1.9.5</version>
        <scope>system</scope>
        <systemPath>${project.basedir}/lib/snmp4j-smi-pro-1.9.5.jar</systemPath>
    </dependency>

    <dependency>
        <groupId>com.mchange</groupId>
        <artifactId>c3p0</artifactId>
        <version>0.9.5.5</version>
    </dependency>

    <!-- spring-kafka -->
    <dependency>
        <groupId>org.springframework.kafka</groupId>
        <artifactId>spring-kafka</artifactId>
    </dependency>
    <dependency>
        <groupId>org.apache.kafka</groupId>
        <artifactId>kafka-clients</artifactId>
        <version>2.5.1</version>
    </dependency>
    <dependency>
        <groupId>org.xerial.snappy</groupId>
        <artifactId>snappy-java</artifactId>
        <version>1.1.10.1</version>
    </dependency>
</dependencies>

我使用的是 Spring Boot 3.1.3。 log4j 的所有依赖项均已添加 但我仍然面临这个问题。尽管我尝试添加 log4j-sl4j -impl 依赖项来将 sl4j 与 log4j2 绑定。

CLI PRINTS WHEN STARTED MY APPLICATION


SLF4J: No SLF4J providers were found.
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See https://www.slf4j.org/codes.html#noProviders for further details.
Sep 26, 2023 7:39:23 AM org.apache.coyote.AbstractProtocol init
INFO: Initializing ProtocolHandler ["https-jsse-nio-127.0.0.1-9005"]
Sep 26, 2023 7:39:23 AM org.apache.catalina.core.StandardService startInternal
INFO: Starting service [Tomcat]
Sep 26, 2023 7:39:23 AM org.apache.catalina.core.StandardEngine startInternal
INFO: Starting Servlet engine: [Apache Tomcat/10.1.12]
^C
D:\consolelog\cmsnfv\cms_service\OamManager\target>MLog initialization issue: slf4j found no binding or threatened to use its (dangerously silent) NOPLogger. We consider the slf4j library not found.
spring-boot log4j log4j2 slf4j
1个回答
0
投票

尝试不排除 Spring Boot 日志记录，它具有实际的日志记录实现。只需删除以下行：

   <exclusions>
       <exclusion>
           <groupId>org.springframework.boot</groupId>
           <artifactId>spring-boot-starter-logging</artifactId> 
       </exclusion>
   </exclusions>

正如这里所解释的那样 SLF4J只是一个Facade，你的类路径上需要一个实际的实现库

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