veghlaci05 commented on code in PR #4384:
URL: https://github.com/apache/hive/pull/4384#discussion_r1309954753
##########
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/txn/TxnHandler.java:
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@@ -1441,6 +1480,7 @@ public void commitTxn(CommitTxnRequest rqst) throws
NoSuchTxnException, TxnAbort
// corresponding open txn event.
LOG.info("Target txn id is missing for source txn id : {} and repl
policy {}", sourceTxnId,
rqst.getReplPolicy());
+ jdbcTemplate.rollback();
Review Comment:
Yes, jdbctemplate Txn requires explicit commit or rollback, because this is
also a signal that the underlying connection can be released and put back to
the pool. When using `@Transactional` annotation or the `TransactionTemplate`
functional interface it is done by the framework, but I was using the lower
lever direct approach to have fine grained control over txn and conneciton
handling.
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