public Set<MediaType> getSupportedTypes(ParseContext context) {
            return new HashSet<>(Collections.singletonList(MediaType.TEXT_PLAIN));
        }
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