In simple terms, the execution environment (ee) field represents what minimum JRE your bundle is capable of running on (see Resources).
简单地说，执行环境(EE)字段表示包能够在其中运行的最低JRE版本(请参阅参考资料)。
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I have described a step-by-step approach to developing and deploying a web service as an OSGi bundle and invoking the service using a simple web application client.
This article introduces the concepts involved in WSRF and explains the steps involved in modeling and exposing a simple stateful resource, implemented as an OSGi bundle, using Web services.