Typo in Administration Guide in the example in section 26.2.2. Deployment Via a -service.xml File
http://docs.redhat.com/docs/en-US/JBoss_Enterprise_Application_Platform/5/html-single/Administration_And_Configuration_Guide/index.html#jbosscache-custom-deployment-service.xml

<mbean code="org.jboss.cache.jmx.CacfheJmxWrapper"

should be:

<mbean code="org.jboss.cache.jmx.CacheJmxWrapper"

(remove the extra "f").