I configured libraries as following: 1. C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\Log4j.jar 2. JSP Runtime which is a group/package of jar files: C:\jdevstudio1013\j2ee\home\lib\ojsp.jar C:\jdevstudio1013\j2ee\home\lib\taglib\ojsputil.jar C:\jdevstudio1013\j2ee\home\lib\oc4j.jar C:\jdevstudio1013\j2ee\home\lib\oc4j-internal.jar C:\jdevstudio1013\j2ee\home\lib\servlet.jar C:\jdevstudio1013\j2ee\home\lib\ojc.jar 3. Struts Runtime which is a group/package of jar files: C:\jdevstudio1013\jakarta-struts\lib\struts.jar C:\jdevstudio1013\jakarta-struts\lib\commons-beanutils.jar C:\jdevstudio1013\jakarta-struts\lib\commons-collections.jar C:\jdevstudio1013\jakarta-struts\lib\commons-fileupload.jar C:\jdevstudio1013\jakarta-struts\lib\commons-digester.jar C:\jdevstudio1013\jakarta-struts\lib\commons-lang.jar C:\jdevstudio1013\jakarta-struts\lib\commons-logging.jar C:\jdevstudio1013\jakarta-struts\lib\commons-validator.jar C:\jdevstudio1013\jakarta-struts\lib\jakarta-oro.jar 4. C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\concurrent.jar 5. C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\javassist.jar 6. C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\jboss-cache.jar 7. C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\jboss-common.jar 8. C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\jboss-jmx.jar 9. C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\jboss-system.jar 10. C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\jgroups.jar there is no common-logging.jar under C:\working\jbosscache-test\jbosscachetest\public_html\WEB-INF\lib\ View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4098440#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...