wangxlong commented on a change in pull request #14387:
URL: https://github.com/apache/flink/pull/14387#discussion_r547636537



##########
File path: 
flink-connectors/flink-connector-jdbc/src/main/java/org/apache/flink/table/descriptors/JdbcValidator.java
##########
@@ -42,6 +42,7 @@
        public static final String CONNECTOR_DRIVER = "connector.driver";
        public static final String CONNECTOR_USERNAME = "connector.username";
        public static final String CONNECTOR_PASSWORD = "connector.password";
+       public static final String CONNECTOR_MAX_RETRY_TIMEOUT = 
"connection.max-retry-timeout";

Review comment:
       Would be better as follow,
   
   > public static final String CONNECTOR_CONNECTION_MAX_RETRY_TIMEOUT = 
"connector .connection.max-retry-timeout";
   
   And also add this property to the `connect.md` and `connect.zh.md` docs for 
jdbc connector.

##########
File path: 
flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/table/JdbcTableSourceSinkFactoryTest.java
##########
@@ -75,6 +76,7 @@ public void testJdbcCommonProperties() {
                        .setDriverName("org.apache.derby.jdbc.EmbeddedDriver")
                        .setUsername("user")
                        .setPassword("pass")
+                       .setConnectionCheckTimeoutSeconds(120)

Review comment:
       Could you also add a invalid value test which is smaller than 1 second 
in testJdbcValidation?

##########
File path: 
flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/table/JdbcTableSourceSinkFactoryTest.java
##########
@@ -75,6 +76,7 @@ public void testJdbcCommonProperties() {
                        .setDriverName("org.apache.derby.jdbc.EmbeddedDriver")
                        .setUsername("user")
                        .setPassword("pass")
+                       .setConnectionCheckTimeoutSeconds(120)

Review comment:
       Could you also add a invalid value test which is less than 1 second in 
testJdbcValidation?

##########
File path: 
flink-connectors/flink-connector-jdbc/src/test/java/org/apache/flink/connector/jdbc/table/JdbcTableSourceSinkFactoryTest.java
##########
@@ -75,6 +76,7 @@ public void testJdbcCommonProperties() {
                        .setDriverName("org.apache.derby.jdbc.EmbeddedDriver")
                        .setUsername("user")
                        .setPassword("pass")
+                       .setConnectionCheckTimeoutSeconds(120)

Review comment:
       Could you also add a invalid value test which is less than 1 second in 
testJdbcValidation?




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