Merge branch '630-detailsError' of https://github.com/hbz/nwbib

Resolves #630

See https://nwbib.de/990226301940206441

app/views/TableRow.java

@@ -219,10 +219,18 @@ String[] refAndLabel(String property, String value,
 		}
 		String label =
 				labels.isPresent() && labels.get().size() > 0 ? labels.get().get(0)
-						: value.startsWith("http") ? URI.create(value).getHost() : value;
+						: value.startsWith("http") ? hostFromUri(value) : value;
 		return new String[] { value, label };
 	}
 
+	private static String hostFromUri(String value) {
+		try {
+			return URI.create(value).getHost();
+		} catch (IllegalArgumentException e) {
+			return value;
+		}
+	}
+
 	public abstract String process(JsonNode doc, String property, String param,
 			String label, List<String> values, Optional<List<String>> labels);
 }