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https://issues.apache.org/jira/browse/HIVE-27564?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17766082#comment-17766082
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Ayush Saxena commented on HIVE-27564:
-------------------------------------
Committed to master.
Thanx [~1365976...@qq.com] for the contribution!!!
> Add log for ZooKeeperTokenStore
> -------------------------------
>
> Key: HIVE-27564
> URL: https://issues.apache.org/jira/browse/HIVE-27564
> Project: Hive
> Issue Type: Improvement
> Reporter: lvyanquan
> Assignee: lvyanquan
> Priority: Major
> Labels: pull-request-available
> Attachments: picture 1.png
>
>
> when use zookeeper to store DelegationTokenIdentifier, we use
> {code:java}
> TokenStoreDelegationTokenSecretManager.encodeWritable(tokenIdentifier) {code}
> to encode message of tokens and create the path in zookeeper, like
> picture1.png
> However, when this token was removed, error message will display
> DelegationTokenIdentifier only, then we have no idea about whether this path
> is still existed and when the path in zookeeper was created and deleted.
> {code:java}
> public byte[] retrievePassword(DelegationTokenIdentifier identifier) throws
> InvalidToken {
> DelegationTokenInformation info = this.tokenStore.getToken(identifier);
> if (info == null) {
> throw new InvalidToken("token expired or does not exist: " +
> identifier);
> }
> // must reuse super as info.getPassword is not accessible
> synchronized (this) {
> try {
> super.currentTokens.put(identifier, info);
> return super.retrievePassword(identifier);
> } finally {
> super.currentTokens.remove(identifier);
> }
> }
> } {code}
> So, I try to add so log about the lifecycle of the tokenPath.
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