DEBUG org.springframework.boot.context.logging.ClasspathLoggingApplicationListener 去看看配置文件出现了什么书写错误

10:19:24.367 [main] DEBUG org.springframework.boot.context.logging.ClasspathLoggingApplicationListener - Application failed to start with classpath: [file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/charsets.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/deploy.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/access-bridge-64.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/cldrdata.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/dnsns.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/jaccess.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/jfxrt.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/localedata.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/nashorn.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/sunec.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/sunjce_provider.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/sunmscapi.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/sunpkcs11.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/ext/zipfs.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/javaws.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/jce.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/jfr.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/jfxswt.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/jsse.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/management-agent.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/plugin.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/resources.jar, file:/C:/Program%20Files/Java/jdk1.8.0_121/jre/lib/rt.jar, file:/D:/spring-boot-01-helloworld/springboot01-helloword_quick/target/classes/, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-starter-web/2.2.7.RELEASE/spring-boot-starter-web-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-starter/2.2.7.RELEASE/spring-boot-starter-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot/2.2.7.RELEASE/spring-boot-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-autoconfigure/2.2.7.RELEASE/spring-boot-autoconfigure-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-starter-logging/2.2.7.RELEASE/spring-boot-starter-logging-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/ch/qos/logback/logback-classic/1.2.3/logback-classic-1.2.3.jar, file:/C:/Users/Administrator/.m2/repository/ch/qos/logback/logback-core/1.2.3/logback-core-1.2.3.jar, file:/C:/Users/Administrator/.m2/repository/org/apache/logging/log4j/log4j-to-slf4j/2.12.1/log4j-to-slf4j-2.12.1.jar, file:/C:/Users/Administrator/.m2/repository/org/apache/logging/log4j/log4j-api/2.12.1/log4j-api-2.12.1.jar, file:/C:/Users/Administrator/.m2/repository/org/slf4j/jul-to-slf4j/1.7.30/jul-to-slf4j-1.7.30.jar, file:/C:/Users/Administrator/.m2/repository/jakarta/annotation/jakarta.annotation-api/1.3.5/jakarta.annotation-api-1.3.5.jar, file:/C:/Users/Administrator/.m2/repository/org/yaml/snakeyaml/1.25/snakeyaml-1.25.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-starter-json/2.2.7.RELEASE/spring-boot-starter-json-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/com/fasterxml/jackson/core/jackson-databind/2.10.4/jackson-databind-2.10.4.jar, file:/C:/Users/Administrator/.m2/repository/com/fasterxml/jackson/core/jackson-annotations/2.10.4/jackson-annotations-2.10.4.jar, file:/C:/Users/Administrator/.m2/repository/com/fasterxml/jackson/core/jackson-core/2.10.4/jackson-core-2.10.4.jar, file:/C:/Users/Administrator/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jdk8/2.10.4/jackson-datatype-jdk8-2.10.4.jar, file:/C:/Users/Administrator/.m2/repository/com/fasterxml/jackson/datatype/jackson-datatype-jsr310/2.10.4/jackson-datatype-jsr310-2.10.4.jar, file:/C:/Users/Administrator/.m2/repository/com/fasterxml/jackson/module/jackson-module-parameter-names/2.10.4/jackson-module-parameter-names-2.10.4.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-starter-tomcat/2.2.7.RELEASE/spring-boot-starter-tomcat-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.34/tomcat-embed-core-9.0.34.jar, file:/C:/Users/Administrator/.m2/repository/org/apache/tomcat/embed/tomcat-embed-el/9.0.34/tomcat-embed-el-9.0.34.jar, file:/C:/Users/Administrator/.m2/repository/org/apache/tomcat/embed/tomcat-embed-websocket/9.0.34/tomcat-embed-websocket-9.0.34.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-starter-validation/2.2.7.RELEASE/spring-boot-starter-validation-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/jakarta/validation/jakarta.validation-api/2.0.2/jakarta.validation-api-2.0.2.jar, file:/C:/Users/Administrator/.m2/repository/org/hibernate/validator/hibernate-validator/6.0.19.Final/hibernate-validator-6.0.19.Final.jar, file:/C:/Users/Administrator/.m2/repository/org/jboss/logging/jboss-logging/3.4.1.Final/jboss-logging-3.4.1.Final.jar, file:/C:/Users/Administrator/.m2/repository/com/fasterxml/classmate/1.5.1/classmate-1.5.1.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/spring-web/5.2.6.RELEASE/spring-web-5.2.6.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/spring-beans/5.2.6.RELEASE/spring-beans-5.2.6.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/spring-webmvc/5.2.6.RELEASE/spring-webmvc-5.2.6.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/spring-aop/5.2.6.RELEASE/spring-aop-5.2.6.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/spring-context/5.2.6.RELEASE/spring-context-5.2.6.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/spring-expression/5.2.6.RELEASE/spring-expression-5.2.6.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/boot/spring-boot-configuration-processor/2.2.7.RELEASE/spring-boot-configuration-processor-2.2.7.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/slf4j/slf4j-api/1.7.30/slf4j-api-1.7.30.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/spring-core/5.2.6.RELEASE/spring-core-5.2.6.RELEASE.jar, file:/C:/Users/Administrator/.m2/repository/org/springframework/spring-jcl/5.2.6.RELEASE/spring-jcl-5.2.6.RELEASE.jar, file:/D:/IDEA/IntelliJ%20IDEA%202020.1/lib/idea_rt.jar]
10:19:24.661 [background-preinit] DEBUG org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator - Loaded expression factory via original TCCL
10:19:24.676 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.messageinterpolation.ResourceBundleMessageInterpolator as ValidatorFactory-scoped message interpolator.
10:19:24.676 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.internal.engine.resolver.TraverseAllTraversableResolver as ValidatorFactory-scoped traversable resolver.
10:19:24.676 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.internal.util.ExecutableParameterNameProvider as ValidatorFactory-scoped parameter name provider.
10:19:24.676 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.internal.engine.DefaultClockProvider as ValidatorFactory-scoped clock provider.
10:19:24.676 [background-preinit] DEBUG org.hibernate.validator.internal.engine.ValidatorFactoryImpl - HV000234: Using org.hibernate.validator.internal.engine.scripting.DefaultScriptEvaluatorFactory as ValidatorFactory-scoped script evaluator factory.
10:19:25.074 [main] ERROR org.springframework.boot.SpringApplication - Application run failed
java.lang.IllegalStateException: Failed to load property source from location 'classpath:/application.yml'
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:546)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadForFileExtension(ConfigFileApplicationListener.java:495)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:465)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$null$7(ConfigFileApplicationListener.java:444)
    at java.lang.Iterable.forEach(Iterable.java:75)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$load$8(ConfigFileApplicationListener.java:444)
    at java.lang.Iterable.forEach(Iterable.java:75)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:441)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$load$0(ConfigFileApplicationListener.java:336)
    at org.springframework.boot.context.config.FilteredPropertySource.apply(FilteredPropertySource.java:54)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:324)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:215)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.postProcessEnvironment(ConfigFileApplicationListener.java:199)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.java:189)
    at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:177)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
    at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:127)
    at org.springframework.boot.context.event.EventPublishingRunListener.environmentPrepared(EventPublishingRunListener.java:76)
    at org.springframework.boot.SpringApplicationRunListeners.environmentPrepared(SpringApplicationRunListeners.java:53)
    at org.springframework.boot.SpringApplication.prepareEnvironment(SpringApplication.java:345)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:308)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
    at org.springframework.boot.SpringApplication.run(SpringApplication.java:1215)
    at com.atguigu.springboot01helloword_quick.Springboot01HellowordQuickApplication.main(Springboot01HellowordQuickApplication.java:10)
Caused by: org.yaml.snakeyaml.scanner.ScannerException: while scanning a simple key
 in 'reader', line 9, column 4:
       maps:{k1:v1,k2:12}
       ^
could not find expected ':'
 in 'reader', line 10, column 4:
       lists:
       ^

    at org.yaml.snakeyaml.scanner.ScannerImpl.stalePossibleSimpleKeys(ScannerImpl.java:464)
    at org.yaml.snakeyaml.scanner.ScannerImpl.needMoreTokens(ScannerImpl.java:278)
    at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:226)
    at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:558)
    at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158)
    at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:148)
    at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:217)
    at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:144)
    at org.yaml.snakeyaml.composer.Composer.composeValueNode(Composer.java:239)
    at org.yaml.snakeyaml.composer.Composer.composeMappingChildren(Composer.java:230)
    at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:218)
    at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:144)
    at org.yaml.snakeyaml.composer.Composer.getNode(Composer.java:85)
    at org.yaml.snakeyaml.constructor.BaseConstructor.getData(BaseConstructor.java:125)
    at org.yaml.snakeyaml.Yaml$1.next(Yaml.java:548)
    at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:160)
    at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:134)
    at org.springframework.boot.env.OriginTrackedYamlLoader.load(OriginTrackedYamlLoader.java:75)
    at org.springframework.boot.env.YamlPropertySourceLoader.load(YamlPropertySourceLoader.java:50)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadDocuments(ConfigFileApplicationListener.java:563)
    at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:519)
    ... 25 common frames omitted

Process finished with exit code 1
出现这种情况  去看看配置文件application.yml/application.properties出现了什么书写错误      我的错误就是 maps:（这没有加空格）{k1:v1,k2:12}   不符合yml书写格式   属性： （这需要有空格）值