ChenSammi commented on code in PR #6803:
URL: https://github.com/apache/hadoop/pull/6803#discussion_r1593339527
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hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/AbstractDelegationTokenSecretManager.java:
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@@ -441,18 +496,14 @@ private void updateCurrentKey() throws IOException {
LOG.info("Updating the current master key for generating delegation
tokens");
/* Create a new currentKey with an estimated expiry date. */
int newCurrentId;
- synchronized (this) {
- newCurrentId = incrementCurrentKeyId();
- }
+ newCurrentId = incrementCurrentKeyId();
DelegationKey newKey = new DelegationKey(newCurrentId, System
.currentTimeMillis()
+ keyUpdateInterval + tokenMaxLifetime, generateSecret());
//Log must be invoked outside the lock on 'this'
logUpdateMasterKey(newKey);
- synchronized (this) {
- currentKey = newKey;
- storeDelegationKey(currentKey);
- }
+ currentKey = newKey;
Review Comment:
Need to keep this synchronized or use Lock, to protect currentKey change and
storeKey as one operation.
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