Failed to instantiate SLF4J LoggerFactory

Reported exception:

java.lang.NoClassDefFoundError: ch/qos/logback/core/spi/LifeCycle

    at java.lang.ClassLoader.defineClass1(Native Method)

    at java.lang.ClassLoader.defineClass(ClassLoader.java:)

    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:)

    at java.net.URLClassLoader.defineClass(URLClassLoader.java:)

    at java.net.URLClassLoader.access$(URLClassLoader.java:)

    at java.net.URLClassLoader$.run(URLClassLoader.java:)

    at java.net.URLClassLoader$.run(URLClassLoader.java:)

    at java.security.AccessController.doPrivileged(Native Method)

    at java.net.URLClassLoader.findClass(URLClassLoader.java:)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:)

    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:)

    at java.lang.ClassLoader.loadClass(ClassLoader.java:)

    at org.slf4j.impl.StaticLoggerBinder.<init>(StaticLoggerBinder.java:)

    at org.slf4j.impl.StaticLoggerBinder.<clinit>(StaticLoggerBinder.java:)

    at org.slf4j.LoggerFactory.bind(LoggerFactory.java:)

    at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:)

    at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:)

    at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:)

    at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:)

    at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:)

    at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:)

    at org.springframework.boot.SpringApplication.<clinit>(SpringApplication.java:)

    at com.cfj.testboot.Application.main(Application.java:)

<dependency>

            <groupId>ch.qos.logback</groupId>

            <artifactId>logback-classic</artifactId>

            <version>1.2.3</version>

        </dependency>

        <dependency>

            <groupId>ch.qos.logback</groupId>

            <artifactId>logback-classic</artifactId>

            <version>1.2.3</version>

            <exclusions>

                <exclusion>

                    <groupId>org.slf4j</groupId>

                    <artifactId>slf4j-log4j12</artifactId>

                </exclusion>

            </exclusions>

        </dependency>

        <dependency>

            <groupId>ch.qos.logback</groupId>

            <artifactId>logback-core</artifactId>

            <version>1.2.3</version>

        </dependency>