Hi, I've run into a problem using my catalog with oXygen. The catalog works successfully when transforming my files from the command-line using saxon/xerces/fop etc, but it isn't working when I edit with oXygen. Version 6.0 running on Windows XP SP2 I have unchecked the Use default catalog option in the Preferences and added my own catalog to the list. I made sure I restarted oXygen before testing but still no luck. I have set my CLASSPATH to include the directory where the catalog and the properties files are located. Have I missed something obvious? Thanks for your help, Geoff. This is my catalog: <?xml version="1.0" encoding="UTF-8"?> <catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog"> <!-- DTD files installed under d:\doc_workarea\zzuncontrolled\docbook-dtd-4.3 --> <group prefer="public" xml:base="file:///d:\doc_workarea\zzuncontrolled\docbook-dtd-4.3\"> <public publicId="-//OASIS//DTD DocBook XML V4.3//EN" uri="docbookx.dtd"/> <system systemID="http://doctools.its.utas.edu.au/docbook/dtd/docbookx.dtd" uri="docbookx.dtd"/> <!-- Resolve DTD PUBLIC identifiers --> <nextCatalog catalog="catalog.xml"/> </group> <!-- find the xinclude module --> <system systemID="http://doctools.its.utas.edu.au/custom/xinclude.mod" uri="file:///d:\doc_workarea\zzuncontrolled\xinclude.mod"/> <!-- Default stylesheet files installed under d:\doc_workarea\zzuncontrolled\docbook-xsl-1.68.1\ --> <rewriteURI uriStartString="http://doctools.its.utas.edu.au/docbook/xsl/" rewritePrefix="file:///d:/doc_workarea/zzuncontrolled/docbook-xsl-1.68.1/"/> <!-- ITR stylesheet files installed under d:\doc_workarea\single-source\ --> <rewriteURI uriStartString="http://doctools.its.utas.edu.au/custom/" rewritePrefix="file:///d:/doc_workarea/single-source/"/> </catalog> My CatalogManage.properties file is: catalogs=gmp-catalog.xml;zzuncontrolled/docbook-dtd-4.3/catalog.xml relative-catalogs=false static-catalog=yes catalog-class-name=org.apache.xml.resolver.Resolver verbosity=1 ---------------------------------------------------------------- This message was sent using IMP, the Internet Messaging Program.