wanglijie95 commented on a change in pull request #12427:
URL: https://github.com/apache/flink/pull/12427#discussion_r434644645
##########
File path:
flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/connector/jdbc/internal/JdbcBatchingOutputFormat.java
##########
@@ -175,6 +176,15 @@ public synchronized void flush() throws IOException {
if (i >= executionOptions.getMaxRetries()) {
throw new IOException(e);
}
+ try {
+ if
(!connection.isValid(JdbcLookupFunction.CONNECTION_CHECK_TIMEOUT)) {
+ connection =
connectionProvider.reestablishConnection();
+
jdbcStatementExecutor.reopen(connection);
+ }
+ } catch (Exception excpetion) {
+ LOG.error("JDBC connection is not
valid, and reestablish connection failed.", excpetion);
+ throw new RuntimeException("Reestablish
JDBC connection failed", excpetion);
Review comment:
OK，I will change it.
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