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[server] Fix flaky RebalanceManagerITCase.testBuildClusterModel #3306

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[server] Fix flaky RebalanceManagerITCase.testBuildClusterModel #3306

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6 changes: 5 additions & 1 deletion ...-server/src/main/java/org/apache/fluss/server/coordinator/rebalance/RebalanceManager.java
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Original file line number Diff line number Diff line change
Expand Up @@ -362,7 +362,11 @@ private ClusterModel buildClusterModel(CoordinatorContext coordinatorContext) {
List<Integer> assignment = coordinatorContext.getAssignment(tableBucket);
Optional<LeaderAndIsr> bucketLeaderAndIsrOpt =
coordinatorContext.getBucketLeaderAndIsr(tableBucket);
checkArgument(bucketLeaderAndIsrOpt.isPresent(), "Bucket leader and isr is empty.");
// Skip the bucket if leader and ISR information is not available yet
// This can happen during table creation when leader election is not completed
if (!bucketLeaderAndIsrOpt.isPresent()) {
continue;
}
LeaderAndIsr isr = bucketLeaderAndIsrOpt.get();
int leader = isr.leader();
// Skip the bucket if it is in a transient state (e.g., during table creation)
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