java - 尝试初始化 Spring 时出现 AbstractMethodError

Question

我正在使用 Spring、vaadin 和 maven 开发一个应用程序，例如项目管理工具。现在，当尝试执行 jetty:run 时，出现以下错误:

java.lang.AbstractMethodError: org.slf4j.impl.Log4jLoggerAdapter.log(Lorg/slf4j/Marker;Ljava/lang/String;ILjava/lang/String;[Ljava/lang/Object;Ljava/lang/Throwable;)V
at org.apache.commons.logging.impl.SLF4JLocationAwareLog.info(SLF4JLocationAwareLog.java:159)
at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:272)
at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:112)

这是我的 pom.xml

  <!-- Logging dependencies   -->
    <dependency>
        <groupId>org.apache.commons</groupId>
        <artifactId>com.springsource.org.apache.commons.logging</artifactId>
        <version>1.1.1</version>
    </dependency>


    <!-- Log4J dependencies -->
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>com.springsource.slf4j.log4j</artifactId>
        <version>1.5.6</version>
    </dependency>

    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>com.springsource.slf4j.api</artifactId>
        <version>1.5.6</version>
    </dependency>
    <dependency>
        <groupId>org.apache.log4j</groupId>
        <artifactId>com.springsource.org.apache.log4j</artifactId>
        <version>1.2.15</version>
    </dependency>

    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-ext</artifactId>
        <version>1.7.1</version>
    </dependency>

    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>slf4j-log4j12</artifactId>
        <version>1.7.1</version>
        <scope>runtime</scope>
    </dependency>

     <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context</artifactId>
         <exclusions>
        <!-- Exclude Commons Logging in favor of SLF4j -->
            <exclusion>
                <groupId>commons-logging</groupId>
                <artifactId>commons-logging</artifactId>
            </exclusion>
        </exclusions>
        <version>${spring.version}</version>
    </dependency>

如何解决这个问题？

Answer 1

我解决了对这两个依赖项的评论:

     <!-- Log4J dependencies 
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>com.springsource.slf4j.log4j</artifactId>
        <version>${slf4j.log4j.version}</version>
    </dependency>
    <dependency>
        <groupId>org.slf4j</groupId>
        <artifactId>com.springsource.slf4j.api</artifactId>
        <version>${slf4j.log4j.api.version}</version>
    </dependency>
    -->