I'm trying to get docbook up and running under Ant. Following some instructions on the web, I got it to work by directly invoking the Saxon XSLT processor via the task. However, all the docbooks is just XSLT, so I'd like to use the task instead of . However, I can't seem to get the combination of resolver.jar and to agree. The fragment of my ant script is: The build fails with the following error. Buildfile: C:\ws\CJB\dist.xml cdrl-website: [copydir] DEPRECATED - The copydir task is deprecated. Use copy instead. [copydir] Copying 4 files to C:\ws\CJB\build\dist\doc\CDRL_docs\html [echo] C:\ws/CJB/lib/docbook [xslt] Processing C:\ws\CJB\build\dist\doc\CDRL_docs\html\layout.xml to C:\ws\CJB\build\dist\doc\CDRL_docs\html\autolayout.xml [xslt] Loading stylesheet C:\ws\CJB\lib\docbook\docbook-website-2.6.0\xsl\autolayout.xsl Warning: catalogpath listing external catalogs will be ignored [xslt] : Fatal Error! Failure reading file:///C:/ws/CJB/build/dist/doc/CDRL_docs/html/layout.xml Cause: java.io.FileNotFoundException: http://docbook.sourceforge.net/release/website/2.5.0/schema/dtd/layout.dtd [xslt] Failed to process C:\ws\CJB\build\dist\doc\CDRL_docs\html\layout.xml Can anyone point me the way from migrating from the tasks that work, to the task that doesn't work. Thanks in advance for any help.