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https://issues.apache.org/jira/browse/HIVE-22375?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Marta Kuczora reassigned HIVE-22375:
------------------------------------
> ObjectStore.lockNotificationSequenceForUpdate is leaking query in case of
> error
> -------------------------------------------------------------------------------
>
> Key: HIVE-22375
> URL: https://issues.apache.org/jira/browse/HIVE-22375
> Project: Hive
> Issue Type: Bug
> Components: Standalone Metastore
> Affects Versions: 4.0.0
> Reporter: Marta Kuczora
> Assignee: Marta Kuczora
> Priority: Minor
>
> In the ObjectStore.lockNotificationSequenceForUpdate method, the query
> doesn't get closed if an error occur:
> {noformat}
> private void lockNotificationSequenceForUpdate() throws MetaException {
> if (sqlGenerator.getDbProduct() == DatabaseProduct.DERBY && directSql !=
> null) {
> new RetryingExecutor(conf, () -> {
> directSql.lockDbTable("NOTIFICATION_SEQUENCE");
> }).run();
> } else {
> String selectQuery = "select \"NEXT_EVENT_ID\" from
> \"NOTIFICATION_SEQUENCE\"";
> String lockingQuery = sqlGenerator.addForUpdateClause(selectQuery);
> new RetryingExecutor(conf, () -> {
> prepareQuotes();
> Query query = pm.newQuery("javax.jdo.query.SQL", lockingQuery);
> query.setUnique(true);
> // only need to execute it to get db Lock
> query.execute();
> query.closeAll();
> }).run();
> }
> }
> {noformat}
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