java - Unable to add external libraries in my tomcat application -

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i'm using tomcat7 , jre7 windows.

i tried different application using different libraries , classnotfoundexception external libraries. put them web-inf/lib, tomcat should see them, doesn't.

i don't know if important when try install tomcat following error:

the system cannot find register key service 'tomcat7'

some ideas?


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