找BUG系列：springboot启动找不到yml配置文件

springboot 启动报错

springboot启动找不到yml配置文件,
原因：配置文件编码不对，注意是target编译后classes文件下的yml文件编码不对。
具体原因是我idea有多个项目，有的是gbk有的utf8，来回切换有时候idea配置反应不过编码就混淆了，项目代码是utf8 但是编译后的yml就变成了gbk

解决方案：
Idea设置文件编码，setting中搜索file encodings进行修正

2025-02-13 19:10:39 [main] ERROR [org.springframework.boot.SpringApplication:834] - Application run failed
java.lang.IllegalStateException: Failed to load property source from 'file:/D:/gitLab/app/target/classes/application.yml' (classpath:/application.yml)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:564)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadForFileExtension(ConfigFileApplicationListener.java:501)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:471)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$null$7(ConfigFileApplicationListener.java:450)
	at java.lang.Iterable.forEach(Iterable.java:75)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$load$8(ConfigFileApplicationListener.java:450)
	at java.lang.Iterable.forEach(Iterable.java:75)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:447)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.lambda$load$0(ConfigFileApplicationListener.java:350)
	at org.springframework.boot.context.config.FilteredPropertySource.apply(FilteredPropertySource.java:54)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:338)
	at org.springframework.boot.context.config.ConfigFileApplicationListener.addPropertySources(ConfigFileApplicationListener.java:229)
	at org.springframework.boot.context.config.ConfigFileApplicationListener.postProcessEnvironment(ConfigFileApplicationListener.java:213)
	at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEnvironmentPreparedEvent(ConfigFileApplicationListener.java:203)
	at org.springframework.boot.context.config.ConfigFileApplicationListener.onApplicationEvent(ConfigFileApplicationListener.java:191)
	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:342)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:307)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1247)
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1236)
	at com.app.Application.main(AppApplication.java:17)
Caused by: org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 2
	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$1.hasNext(Yaml.java:489)
	at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:200)
	at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:164)
	at org.springframework.boot.env.OriginTrackedYamlLoader.load(OriginTrackedYamlLoader.java:82)
	at org.springframework.boot.env.YamlPropertySourceLoader.load(YamlPropertySourceLoader.java:50)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadDocuments(ConfigFileApplicationListener.java:632)
	at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.load(ConfigFileApplicationListener.java:534)
	... 25 common frames omitted
Caused by: java.nio.charset.MalformedInputException: Input length = 2
	at java.nio.charset.CoderResult.throwException(CoderResult.java:281)