Finally to right issue tracker. Copying from my comment at:https://sourceforge.net/tracker/?func=detail&atid=932479&aid=3301186&group_id=190222
Currently YAML support is provided by jYaml which has been inactive since 2007. Specially when there is a problem, its stack trace is not very helpful. For example:
Caused by: java.lang.NullPointerException
at org.ho.yaml.JYamlParserEvent.getBean(Unknown Source)
at org.ho.yaml.YamlDecoder.readObject(Unknown Source)
at org.ho.yaml.YamlConfig.load(Unknown Source)
at org.ho.yaml.YamlConfig.load(Unknown Source)
at org.ho.yaml.Yaml.load(Unknown Source)
SnakeYAML seems to be a vibrant project and used across several other projects. We should use this instead.