zhangbutao commented on code in PR #3595:
URL: https://github.com/apache/hive/pull/3595#discussion_r992277622
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standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/dataconnector/jdbc/AbstractJDBCConnectorProvider.java:
##########
@@ -129,8 +129,21 @@ protected Connection getConnection() {
throw new RuntimeException("unexpected type for connection handle");
}
+ protected boolean isOpen() {
+ if (handle == null) {
+ return false;
+ }
+ try {
+ if (handle instanceof Connection)
+ return ((Connection) handle).isValid(3);
+ } catch (SQLException e) {
+ LOG.warn("Could not validate jdbc connection to "+ jdbcUrl, e);
+ }
+ return false;
+ }
+
@Override public void close() {
- if (isOpen) {
+ if (isOpen()) {
Review Comment:
Make sense. Renamed it to `isClosed()`.
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