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### 52. Google App Engine
Google App Engine跟Servlet 2.5 API是有联系的，所以在不修改的情况系你是不能部署一个Spring应用的。具体查看本指南的[Servlet 2.5章节](http://docs.spring.io/spring-boot/docs/current-SNAPSHOT/reference/htmlsingle/#howto-servlet-2-5)。