ableegoldman commented on code in PR #17906:
URL: https://github.com/apache/kafka/pull/17906#discussion_r1853236749
##########
docs/streams/upgrade-guide.html:
##########
@@ -1667,12 +1688,21 @@ <h3 class="anchor-heading"><a
id="streams_api_broker_compat" class="anchor-link"
<td></td>
<td>compatible with exactly-once turned off<br>(requires broker
version 0.11.0.x or higher);<br>requires message format 0.10 or
higher;<br>message headers are not supported<br>(requires broker version
0.11.0.x or higher<br>with message format 0.11 or higher)</td>
<td>compatible; requires message format 0.10 or higher;<br>if
message headers are used, message format 0.11<br>or higher required</td>
+ <td>compatible</td>
</tr>
<tr>
- <td>2.2.1 and<br>2.3.x and<br>2.4.x and<br>2.5.x and<br>2.6.x
and<br>2.7.x and<br>2.8.x and<br>3.0.x and<br>3.1.x and<br>3.2.x and<br>3.3.x
and<br>3.4.x and<br>3.5.x and<br>3.6.x and<br>3.7.x</td>
+ <td>2.2.1 and<br>2.3.x and<br>2.4.x and<br>2.5.x and<br>2.6.x
and<br>2.7.x and<br>2.8.x and<br>3.0.x and<br>3.1.x and<br>3.2.x and<br>3.3.x
and<br>3.4.x and<br>3.5.x and<br>3.6.x and<br>3.7.x and<br>3.8.x
and<br>3.9.x</td>
<td></td>
<td></td>
<td>compatible; requires message format 0.11 or
higher;<br>enabling exactly-once v2 requires 2.4.x or higher</td>
Review Comment:
@mjsax is this right? I always thought eosv2 needed brokers to be 2.5 or
higher, not 2.4. Am I misremembering this or is the matrix wrong?
This error message could also be wrong I suppose but this log in
StreamThread at least seems to agree it's 2.5:
```
log.error("Shutting down because the Kafka cluster seems to be on a too old
version. " +
"Setting {}=\"{}\" requires broker version 2.5
or higher.",
```
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