tisonkun commented on issue #13954:
URL: https://github.com/apache/pulsar/issues/13954#issuecomment-1157622153
Could you verify whether this exception occurs while it suffers a ZK
disconnection? If there is a period of disconnection, it's possible that the op
success on server but fail to response, and since we retry on CONNECTIONLOSS
then it can be this case. #13892 can be in such situation, cc
@MichalKoziorowski-TomTom
```java
// ZKMetadataStore#batchOperation 8914b84115bacaf38fe892d66533c1b70431acbf
if (results == null) {
Code code = Code.get(rc);
if (code == Code.CONNECTIONLOSS) {
// There is the chance that we caused a connection
reset by sending or requesting a batch
// that passed the max ZK limit. Retry with the
individual operations
executor.schedule(() -> {
ops.forEach(o ->
batchOperation(Collections.singletonList(o)));
}, 100, TimeUnit.MILLISECONDS);
} else {
MetadataStoreException e = getException(code, path);
ops.forEach(o ->
o.getFuture().completeExceptionally(e));
}
return;
}
```
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