Repository: kafka Updated Branches: refs/heads/trunk a32962af1 -> 31203efcb
MINOR: Clarify how to fix conversion issues when plain JSON data is used with schemas.enable=true Author: Ewen Cheslack-Postava <m...@ewencp.org> Reviewers: Ismael Juma <ism...@juma.me.uk> Closes #2041 from ewencp/clarify-json-converter-failure Project: http://git-wip-us.apache.org/repos/asf/kafka/repo Commit: http://git-wip-us.apache.org/repos/asf/kafka/commit/31203efc Tree: http://git-wip-us.apache.org/repos/asf/kafka/tree/31203efc Diff: http://git-wip-us.apache.org/repos/asf/kafka/diff/31203efc Branch: refs/heads/trunk Commit: 31203efcb20b7efcbad5984b377ad87c58673dbc Parents: a32962a Author: Ewen Cheslack-Postava <m...@ewencp.org> Authored: Tue Nov 15 14:23:36 2016 +0000 Committer: Ismael Juma <ism...@juma.me.uk> Committed: Tue Nov 15 14:23:36 2016 +0000 ---------------------------------------------------------------------- .../main/java/org/apache/kafka/connect/json/JsonConverter.java | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/kafka/blob/31203efc/connect/json/src/main/java/org/apache/kafka/connect/json/JsonConverter.java ---------------------------------------------------------------------- diff --git a/connect/json/src/main/java/org/apache/kafka/connect/json/JsonConverter.java b/connect/json/src/main/java/org/apache/kafka/connect/json/JsonConverter.java index a4ce32a..dd83886 100644 --- a/connect/json/src/main/java/org/apache/kafka/connect/json/JsonConverter.java +++ b/connect/json/src/main/java/org/apache/kafka/connect/json/JsonConverter.java @@ -306,7 +306,8 @@ public class JsonConverter implements Converter { } if (enableSchemas && (jsonValue == null || !jsonValue.isObject() || jsonValue.size() != 2 || !jsonValue.has("schema") || !jsonValue.has("payload"))) - throw new DataException("JsonDeserializer with schemas.enable requires \"schema\" and \"payload\" fields and may not contain additional fields"); + throw new DataException("JsonConverter with schemas.enable requires \"schema\" and \"payload\" fields and may not contain additional fields." + + " If you are trying to deserialize plain JSON data, set schemas.enable=false in your converter configuration."); // The deserialized data should either be an envelope object containing the schema and the payload or the schema // was stripped during serialization and we need to fill in an all-encompassing schema.
