jsancio commented on code in PR #15859:
URL: https://github.com/apache/kafka/pull/15859#discussion_r1599163932
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raft/src/main/java/org/apache/kafka/raft/internals/KafkaRaftMetrics.java:
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@@ -87,17 +89,34 @@ public KafkaRaftMetrics(Metrics metrics, String
metricGrpPrefix, QuorumState sta
this.currentLeaderIdMetricName = metrics.metricName("current-leader",
metricGroupName, "The current quorum leader's id; -1 indicates unknown");
metrics.addMetric(this.currentLeaderIdMetricName, (mConfig,
currentTimeMs) -> state.leaderId().orElse(-1));
- this.currentVotedIdMetricName = metrics.metricName("current-vote",
metricGroupName, "The current voted leader's id; -1 indicates not voted for
anyone");
+ this.currentVotedIdMetricName = metrics.metricName("current-vote",
metricGroupName, "The current voted id; -1 indicates not voted for anyone");
metrics.addMetric(this.currentVotedIdMetricName, (mConfig,
currentTimeMs) -> {
if (state.isLeader() || state.isCandidate()) {
return state.localIdOrThrow();
- } else if (state.isVoted()) {
- return state.votedStateOrThrow().votedId();
} else {
- return -1;
+ return (double) state.maybeVotedState()
Review Comment:
I am not 100% of the issue. Maybe Java 8 don't do implicit casting if the
value is not a number literal.
But yes. The error was a runtime casting error from `Integer` to `Double`.
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