wanglijie95 commented on a change in pull request #11499:
URL: https://github.com/apache/flink/pull/11499#discussion_r415334639
##########
File path:
flink-connectors/flink-jdbc/src/main/java/org/apache/flink/api/java/io/jdbc/JDBCOutputFormat.java
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@@ -87,8 +89,12 @@ public void open(int taskNumber, int numTasks) throws
IOException {
}
@Override
- public void writeRecord(Row row) {
+ public void writeRecord(Row row) throws IOException{
try {
+ if (!connection.isValid(connectionCheckTimeout)) {
+ LOG.error("JDBC connection is closed,start to
open a new connection");
+ establishConnectionAndPreparedStatement();
Review comment:
Maybe you should close the connection and statement firstly, and then
reestablish.
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