public void parse(InputStream stream, ContentHandler handler, Metadata metadata,
                          ParseContext context) throws IOException, SAXException, TikaException {
            if (re != null) {
                throw re;
            }
            throw err;
        }
This error isn't serializable on the server, so can't be sent back
to the Fork Client once it has occured
tika-parsers/tika-parsers-standard/tika-parsers-standard-package/src/test/java/org/apache/tika/parser/fork/ForkParserIntegrationTest.java