Caused by: org.yaml.snakeyaml.error.YAMLException: java.nio.charset.MalformedInputException: Input length = 1
at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:200)
at org.yaml.snakeyaml.reader.StreamReader.<init>(StreamReader.java:60)
at org.yaml.snakeyaml.Yaml.loadAll(Yaml.java:463)
at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:160)
at org.springframework.beans.factory.config.YamlProcessor.process(YamlProcessor.java:138)
at org.springframework.boot.env.YamlPropertySourceLoader$Processor.process(YamlPropertySourceLoader.java:101)
at org.springframework.boot.env.YamlPropertySourceLoader.load(YamlPropertySourceLoader.java:58)
at org.springframework.boot.env.PropertySourcesLoader.load(PropertySourcesLoader.java:127)
at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.doLoadIntoGroup(ConfigFileApplicationListener.java:490)
at org.springframework.boot.context.config.ConfigFileApplicationListener$Loader.loadIntoGroup(ConfigFileApplicationListener.java:473)
... 34 common frames omitted
Caused by: java.nio.charset.MalformedInputException: Input length = 1
at java.nio.charset.CoderResult.throwException(CoderResult.java:281)
at sun.nio.cs.StreamDecoder.implRead(StreamDecoder.java:339)
at sun.nio.cs.StreamDecoder.read(StreamDecoder.java:178)
at java.io.InputStreamReader.read(InputStreamReader.java:184)
at org.yaml.snakeyaml.reader.UnicodeReader.read(UnicodeReader.java:123)
at java.io.Reader.read(Reader.java:140)
at org.yaml.snakeyaml.reader.StreamReader.update(StreamReader.java:184)
... 43 common frames omitted
指定配置文件编码不是UTF-8的，转换成UTF-8就行了。