abhishekagarwal87 commented on pull request #11302:
URL: https://github.com/apache/druid/pull/11302#issuecomment-848906949
> Is this a frequently occurring error?
> Why would a user set the priority as a string?
User is not setting the priority as String. I think below is what is
happening
- all the entries in the file are being deserialized into `Properties`
object. So even integer etc is being parsed as String.
- If that was not the case, such non-string entries will be filtered out in
https://github.com/apache/druid/blob/master/core/src/main/java/org/apache/druid/guice/JsonConfigurator.java#L92
(properties.getPropertyValue returns null if value is not of string type)
Usually, the properties read will be translated into a Java object and any
primitive types in the Java class will be parsed into numbers if required e.g.
`SegmentLoaderConfig`. `DefaultQueryConfig` is special though since it has just
a map `Map<String, Object>` so it's up to the caller to do the required
parsing.
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