common/lib and shared/lib? Simply put, common/lib contains jar files to be used by both the web server and all deployed web applications. shared/lib contains jar files that are available to all deployed web applications.Their scope is confusing. From the names (common and shared) alone, I really can't tell which one is used for which purpose. The fact the two directories are located at the same level ($CATALINA_HOME/common $CATALINA_HOME/shared) makes it more confusing. If shared directory were under $CATALINA/webapp, it would make it obvious that it is to be used by all webapps.
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