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23.9.3. 启用 EJB 2.x 的容器管理持久化
容器管理持久化（Container-Managed Persistence，CMP）是由
org.jboss.as.cmp 扩展处理的。受管域和独立服务器的 full 配置（standalone-full.xml）里 CMP 默认是启用的。
要在不同的配置里启用 CMP，请在服务器配置文件的启用扩展列表里添加
org.jboss.as.cmp 模块。
<extensions>
<extension module="org.jboss.as.cmp"/>
</extensions>
添加扩展后，您必须在配置集的 XML 文件里的 <profile> 元素下添加下列元素。
<subsystem xmlns="urn:jboss:domain:cmp:1.1"/>
要在服务器配置里禁用 CMP，请从
org.jboss.as.cmp 模块里删除扩展条目。
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