[appendix]
[[appendix.application-properties]]
= Common Application Properties
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Various properties can be specified inside your `application.properties` file, inside your `application.yml` file, or as command line switches.
This appendix provides a list of common Spring Boot properties and references to the underlying classes that consume them.

TIP: Spring Boot provides various conversion mechanism with advanced value formatting, make sure to review <<features#features.external-config.typesafe-configuration-properties.conversion, the properties conversion section>>.

NOTE: Property contributions can come from additional jar files on your classpath, so you should not consider this an exhaustive list.
Also, you can define your own properties.



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