Well , i found out that i need to add the used jar to the application directory at the tomcat webapps directory (probably a noob error ).
the thing is that when i stop the server , and restart it, these two jars are gone from that directory, so i added a small task in ANT to copy them back and restore working state.
not sure why does tomcat removes them anyway , if you guys know, i would thank you for letting me know.
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