First you must download jakarta-ant-1.3-optional.jar from jakarta.apache.org. Then put it under $ANT_HOME/lib directory. And modify build.sh file to include jakarta-ant-1.3-optional.jar. jakart-ant-1.3-optional.jar is needed when building cocoon webapp. Here is part of my build.sh file. I renamed jakarta-ant-1.3-optional.jar to ant-optional.jar. ### part of build.sh ### # ----- Set Up The Runtime Classpath ------------------------------------ CP=$JAVA_HOME/lib/tools.jar:$ANT_HOME/lib/ant.jar:$ANT_HOME/lib/ant-optional.jar:./lib/xerces_1_4_0.jar:./lib/xalan-2.1.0.jar Now you may success in building cocoon app. ================================================== ¿ì¸® ÀÎÅͳÝ, Daum Æò»ý ¾²´Â ¹«·á E-mail ÁÖ¼Ò ÇѸÞÀÏ³Ý Áö±¸ÃÌ ÇÑ±Û °Ë»ö¼ºñ½º Daum FIREBALL http://www.daum.net --------------------------------------------------------------------- Please check that your question has not already been answered in the FAQ before posting. <http://xml.apache.org/cocoon/faqs.html> To unsubscribe, e-mail: <[EMAIL PROTECTED]> For additional commands, e-mail: <[EMAIL PROTECTED]>