yaml配置檔案： org.yaml.snakeyaml.parser.ParserException: while parsing a block mapping

Caused by: org.yaml.snakeyaml.parser.ParserException: while parsing a block mapping

Caused by: org.yaml.snakeyaml.parser.ParserException: while    parsing a block mapping
in 'reader', line 1, column 1:
server:
^
expected <block end>, but found '<block mapping start>'
in 'reader', line 4, column 2:
Person:
 ^
           

報此錯誤一般是由yaml配置檔案中的格式書寫錯誤，注意檢查格式。