spring boot啟動STS 運作報錯 java.lang.NoClassDefFoundError: ch/qos/logback/classic/LoggerContext

spspring boot啟動STS 運作報錯 java.lang.NoClassDefFoundError: ch/qos/logback/classic/LoggerContext

學習了：

http://ask.csdn.net/questions/381580

http://blog.csdn.net/liuxiangke0210/article/details/77893560?locationNum=2&fps=1

增加了：

        <dependency>
            <groupId>ch.qos.logbackgroupId>
            <artifactId>logback-classicartifactId>
            <version>1.2.3version>
            <scope>testscope>
        dependency>      

 就可以了，也可以删除那行，因為有了

 還有：http://blog.csdn.net/yinzn2011/article/details/50822242

<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0modelVersion>

    <groupId>com.stonogroupId>
    <artifactId>learnartifactId>
    <version>0.0.1-SNAPSHOTversion>
    <packaging>jarpackaging>

    <parent>
        <groupId>org.springframework.bootgroupId>
        <artifactId>spring-boot-starter-parentartifactId>
        <version>1.5.9.RELEASEversion>
        <relativePath />  lookup parent from repository -->
    parent>

    <properties>
        <project.build.sourceEncoding>UTF-8project.build.sourceEncoding>
        <project.reporting.outputEncoding>UTF-8project.reporting.outputEncoding>
        <java.version>1.8java.version>
    properties>

    <dependencies>
        <dependency>
            <groupId>org.springframework.bootgroupId>
            <artifactId>spring-boot-starter-webartifactId>
        dependency>
        <dependency>
            <groupId>ch.qos.logbackgroupId>
            <artifactId>logback-classicartifactId>
            <scope>testscope>
        dependency>
    dependencies>

    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.bootgroupId>
                <artifactId>spring-boot-maven-pluginartifactId>
            plugin>
        plugins>
    build>project>