I've got my CLASSPATH set as follows: set CLASSPATH=%JARS%\xerces_12.jar;%JARS%\activation_101.jar;%JARS%\mail_12.jar;%JARS%\servlet_23.jar And get a whole bunch of errors related to org.w3c.dom (see excerpt below). Running JDK 1.3.1 under NT4. I believe this worked for SOAP 2.1. What am I missing here? Thanks, -Peter [javac] D:\soap-src-22\src\org\apache\soap\AttributeHandler.java:235: Method getLocalName() not found in interface org.w3c.dom.Attr. [javac] String localName = attr.getLocalName(); [javac] ^ [javac] D:\soap-src-22\src\org\apache\soap\encoding\soapenc\ParameterSeriali zer.java:150: Method getNamespaceURI() not found in interface org.w3c.dom.Elemen t. [javac] String paramNamespaceURI = paramEl.getNamespaceURI(); [javac] ^ [javac] D:\soap-src-22\src\org\apache\soap\encoding\soapenc\ParameterSeriali zer.java:184: Method getNamespaceURI() not found in interface org.w3c.dom.Elemen t. [javac] D:\soap-src-22\src\org\apache\soap\Fault.java:375: Method getAttribu teNS(java.lang.String, java.lang.String) not found in interface org.w3c.dom.Elem ent. [javac] String declEncStyle = el.getAttributeNS(Constant s.NS_URI_SOAP_ENV, Constants.ATTR_ENCODING_STYLE); ...etc...