Google App Engine (java) doesn’t do XSLT transformations out of the box. Using a Transformer like
TransformerFactory.newInstance().newTransformer(new StreamSource(…)).transform(…);
yields a
Nested in javax.servlet.ServletException: java.lang.NoClassDefFoundError: com.sun.org.apache.xalan.internal.xsltc.runtime.BasisLibrary is a restricted class. Please see the Google App Engine developer’s guide for more details.:
java.lang.NoClassDefFoundError: com.sun.org.apache.xalan.internal.xsltc.runtime.BasisLibrary is a restricted class. Please see the Google App Engine developer’s guide for more details.
These google …