yml的那些坑…
java.lang.IllegalStateException: Failed to load property source from 'file:/E:/MyItem/my-jwt/target/classes/application.yml' (classpath:/application.yml) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:553) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadForFileExtension(ConfigFileApplicationListener.java:498) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:468) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$null$7(ConfigFileApplicationListener.java:447) at java.lang.Iterable.forEach(Iterable.java:75) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$load$8(ConfigFileApplicationListener.java:447) at java.lang.Iterable.forEach(Iterable.java:75) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:444) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$load$0(ConfigFileApplicationListener.java:347) at org.springframework.boot.context.config.FilteredPropertySource.apply(FilteredPropertySource.java:54) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:335) at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:226) at org.springframework.boot.context.config.ConfigFileApplicationListener.postProcessEnvironment(ConfigFileApplicationListener.java:210) at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.java:200) at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:188) 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:80) 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:1237) at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226) at com.alimather.myjwt.MyJwtApplication.main(MyJwtApplication.java:12) Caused by: org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 1 at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:218) at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:176) at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:171) at org.yaml.snakeyaml.reader.StreamReader.peek(StreamReader.java:126) at org.yaml.snakeyaml.scanner.ScannerImpl.scanToNextToken(ScannerImpl.java:1177) at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:287) at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:227) at org.yaml.snakeyaml.parser.ParserImpl$ParseImplicitDocumentStart.produce(ParserImpl.java:195) 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.checkNode(Composer.java:82) at org.yaml.snakeyaml.constructor.BaseConstructor.checkData(BaseConstructor.java:123) at org.yaml.snakeyaml.Yaml$1.hasNext(Yaml.java:489) at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:200) at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:164) at org.springframework.boot.env.OriginTrackedYamlLoader.load(OriginTrackedYamlLoader.java:76) at org.springframework.boot.env.YamlPropertySourceLoader.load(YamlPropertySourceLoader.java:50) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadDocuments(ConfigFileApplicationListener.java:607) at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:523) ... 25 common frames omitted其实报错信息很明显：首先知道是yml文件报错，然后在往下看 charset导致的错误 IDEA解决方案： 打开File --> Settings --> Editor --> File Encodings 设置后Apply 然后最重要的就是：“Rebuild Project” 最后重启就完事了！
