{
                        throw new BuildException("Unable to parse the " 
                            + "web.xml from the specified file.", e);
                    }
                    WebXmlMerger merger = new WebXmlMerger(srcWebXml);
                    merger.setLogger(new AntLogger(this));
                    merger.merge(mergeWebXml);
                    WebXmlIo.writeDescriptor(srcWebXml, this.destFile,
                        this.encoding, this.indent);
                }
                else