showuon commented on code in PR #12179:
URL: https://github.com/apache/kafka/pull/12179#discussion_r887787750
##########
clients/src/main/java/org/apache/kafka/common/security/authenticator/SaslServerAuthenticator.java:
##########
@@ -679,10 +679,11 @@ private long
calcCompletionTimesAndReturnSessionLifetimeMs() {
else if (connectionsMaxReauthMs == null)
retvalSessionLifetimeMs =
zeroIfNegative(credentialExpirationMs - authenticationEndMs);
else
- retvalSessionLifetimeMs = zeroIfNegative(
- Math.min(credentialExpirationMs -
authenticationEndMs, connectionsMaxReauthMs));
+ retvalSessionLifetimeMs =
zeroIfNegative(Math.min(credentialExpirationMs - authenticationEndMs,
connectionsMaxReauthMs));
- sessionExpirationTimeNanos = authenticationEndNanos + 1000 *
1000 * retvalSessionLifetimeMs;
+ if (connectionsMaxReauthMs != null) {
Review Comment:
Also, the debug line in L698 confused me a little. When
`credentialExpirationMs != null && sessionExpirationTimeNanos == null`, we'll
log:
```
"Authentication complete; session max lifetime from broker config={} ms,
credential expiration={} ({} ms); no session expiration, sending 0 ms to client"
```
The point I'm confused here is `no session expiration`. Why no session
expiration? Since `credentialExpirationMs != null`, there must be some
credential expiration time, so in this case, sending 0 to client doesn't make
sense to me, right? I think the log should also be updated. WDYT?
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