Github user mikaelstaldal commented on a diff in the pull request:
https://github.com/apache/logging-log4j2/pull/112#discussion_r142996203
--- Diff: src/site/xdoc/manual/appenders.xml ---
@@ -1735,6 +1735,11 @@ public class JpaLogEntity extends
AbstractLogEventWrapperEntity {
<td>The Kafka topic to use. Required.</td>
</tr>
<tr>
+ <td>key</td>
+ <td>String</td>
+ <td>The key that will be sent to Kafka with every
message.</td>
+ </tr>
+ <tr>
--- End diff --
We should add a comment on the `properties` section to not specify
`key.serializer` (as well as not specify `value.serializer`).
---
