xinglin commented on PR #5125:
URL: https://github.com/apache/hadoop/pull/5125#issuecomment-1312530306
Instead of the change proposed in this PR, shouldn't we actually fix
reInitializeAddReplicaThreadPool() itself as below?
Current:
```
@VisibleForTesting
public static void reInitializeAddReplicaThreadPool() {
addReplicaThreadPool.shutdown();
addReplicaThreadPool = null;
}
```
Fixed as following:
```
@VisibleForTesting
public static void reInitializeAddReplicaThreadPool() {
if (addReplicaThreadPool != null) {
addReplicaThreadPool.shutdown();
addReplicaThreadPool = null;
}
}
```
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