在工作的时候，很多情况下我们会使用定义生产、测试、开发等环境下所用的配置，然后在application.yml或者properties中引用相应的配置，偶然间我在修改配置中的showSql属性时，一启动项目就开始报错
Caused by: java.nio.charset.MalformedInputException: Input length = 1 at java.nio.charset.CoderResult.throwException(CoderResult.java:281) ~[?:1.8.0_291] at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339) ~[?:1.8.0_291] at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178) ~[?:1.8.0_291] at java.io.InputStreamReader.read(InputStreamReader.java:184) ~[?:1.8.0_291] at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:125) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:183) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.reader.StreamReader.ensureEnoughData(StreamReader.java:176) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.reader.StreamReader.peek(StreamReader.java:136) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.scanner.ScannerImpl.scanPlain(ScannerImpl.java:1999) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.scanner.ScannerImpl.fetchPlain(ScannerImpl.java:1044) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:399) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:227) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:558) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:158) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:148) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:214) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:144) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composevalueNode(Composer.java:236) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeMappingChildren(Composer.java:227) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:215) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:144) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composevalueNode(Composer.java:236) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeMappingChildren(Composer.java:227) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:215) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:144) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composevalueNode(Composer.java:236) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeMappingChildren(Composer.java:227) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:215) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:144) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.composer.Composer.getNode(Composer.java:85) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.constructor.baseConstructor.getData(baseConstructor.java:123) ~[snakeyaml-1.23.jar:?] at org.yaml.snakeyaml.Yaml$1.next(Yaml.java:547) ~[snakeyaml-1.23.jar:?] at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:200) ~[spring-beans-5.1.19.RELEASE.jar:5.1.19.RELEASE] at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:164) ~[spring-beans-5.1.19.RELEASE.jar:5.1.19.RELEASE] at org.springframework.boot.env.OriginTrackedYamlLoader.load(OriginTrackedYamlLoader.java:76) ~[spring-boot-2.1.18.RELEASE.jar:2.1.18.RELEASE] at org.springframework.boot.env.YamlPropertySourceLoader.load(YamlPropertySourceLoader.java:50) ~[spring-boot-2.1.18.RELEASE.jar:2.1.18.RELEASE] at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loaddocuments(ConfigFileApplicationListener.java:544) ~[spring-boot-2.1.18.RELEASE.jar:2.1.18.RELEASE] at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:499) ~[spring-boot-2.1.18.RELEASE.jar:2.1.18.RELEASE] ... 28 more
然后我在重新build项目后再启动依然会报错，这时我们只需要在Maven中重新install就可以成功运行了
