wuchong commented on a change in pull request #10563: [FLINK-15232][table] Message of NoMatchingTableFactoryException should tell users what's wrong URL: https://github.com/apache/flink/pull/10563#discussion_r357515041
########## File path: flink-table/flink-table-common/src/main/java/org/apache/flink/table/api/NoMatchingTableFactoryException.java ########## @@ -58,24 +62,32 @@ public NoMatchingTableFactoryException( Class<?> factoryClass, List<TableFactory> factories, Map<String, String> properties) { + this(message, null, factoryClass, factories, properties, null); + } - this(message, factoryClass, factories, properties, null); + public NoMatchingTableFactoryException( + String message, + String matchCandidatesMessage, + Class<?> factoryClass, + List<TableFactory> factories, + Map<String, String> properties) { + this(message, matchCandidatesMessage, factoryClass, factories, properties, null); } @Override public String getMessage() { + String matchCandidatesString = matchCandidatesMessage == null ? + "" : + "The match candidates: \n" + matchCandidatesMessage + "\n\n"; return String.format( "Could not find a suitable table factory for '%s' in\nthe classpath.\n\n" + - "Reason: %s\n\n" + + "Reason: %s\n\n" + matchCandidatesString + "The following properties are requested:\n%s\n\n" + "The following factories have been considered:\n%s", factoryClass.getName(), message, DescriptorProperties.toString(properties), - String.join( - "\n", - factories.stream().map(p -> p.getClass().getName()).collect(Collectors.toList()) - ) + factories.stream().map(p -> p.getClass().getName()).collect(Collectors.joining("\n")) Review comment: Indent. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services