jsancio commented on code in PR #15529:
URL: https://github.com/apache/kafka/pull/15529#discussion_r1523660494
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metadata/src/main/java/org/apache/kafka/controller/ReplicationControlManager.java:
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@@ -2189,7 +2189,7 @@ int getTopicEffectiveMinIsr(String topicName) {
if (minIsrConfig != null) {
currentMinIsr = Integer.parseInt(minIsrConfig);
} else {
- log.warn("Can't find the min isr config for topic: " + topicName +
" using default value " + defaultMinIsr);
+ log.debug("Can't find the min isr config for topic: " + topicName
+ " using default value " + defaultMinIsr);
Review Comment:
This comment is for the `log.warn` message in line 2200.
What exception are you trying to catch exactly? Is it a
`NullPointerException`? If so, shouldn't we throw the exception up the stack?
Based on the code I would assume that if there is an error it means that the
controller is trying to find the replication factor for a topic and doesn't
exists, no?
If you decide to keep the log message, lets log the exception instead of
logging the exception's `toString`.
```java
log.warn("Can't find the replication factor for topic: " + topicName + "
using default value " + replicationFactor, e);
```
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