Spring boot + slf4j + log4j + 类 org.apache.logging.slf4j.SLF4JLoggerContext 无法转换为类

Answer 1

我找到了解决这个问题的方法。事实证明，问题出在其中一个私有库（elastik 的附加程序）的冲突上。

我执行了命令：

mvn dependency:tree

然后找到传递依赖项，并将它们排除在所有类的路径上，以排除日志记录所需的库冲突。

• pom.xml

<dependency>
      <groupId>org.springframework.boot</groupId>
      <artifactId>spring-boot-starter-web</artifactId>
      <exclusions>
        <exclusion>
          <artifactId>logback-classic</artifactId>
          <groupId>ch.qos.logback</groupId>
        </exclusion>
        <exclusion>
          <artifactId>log4j-to-slf4j</artifactId>
          <groupId>org.apache.logging.log4j</groupId>
        </exclusion>
      </exclusions>
    </dependency>

    <dependency>
      <artifactId>springfox-boot-starter</artifactId>
      <groupId>io.springfox</groupId>
      <version>3.0.0</version>
        <exclusions>
            <exclusion>
                <groupId>org.slf4j</groupId>
                <artifactId>slf4j-api</artifactId>
            </exclusion>
        </exclusions>
    </dependency>

 <dependency>
      <groupId>org.projectlombok</groupId>
      <artifactId>lombok</artifactId>
      <version>${lombok.version}</version>
      <scope>provided</scope>
    </dependency>

    <dependency>
      <groupId>log4j</groupId>
      <artifactId>log4j</artifactId>
      <version>${log4j.version}</version>
    </dependency>

      <dependency>
          <groupId>org.apache.logging.log4j</groupId>
          <artifactId>log4j-core</artifactId>
          <version>${version.log4j.core}</version>
      </dependency>

    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>slf4j-log4j12</artifactId>
      <version>${slf4j.version}</version>
    </dependency>