set network timeout

java/connector-node/risingwave-sink-jdbc/src/main/java/com/risingwave/connector/JdbcUtils.java

@@ -43,6 +43,18 @@ public static Connection getConnection(String jdbcUrl) throws SQLException {
         // https://jdbc.postgresql.org/documentation/use/
         // https://dev.mysql.com/doc/connectors/en/connector-j-connp-props-networking.html#cj-conn-prop_tcpKeepAlive
         props.setProperty("tcpKeepAlive", "true");
+
+        // default timeout in seconds
+        final int CONNECTION_TIMEOUT = 30;
+        final int SOCKET_TIMEOUT = 300;
+        boolean isPg = jdbcUrl.startsWith("jdbc:postgresql");
+
+        // postgres use seconds and mysql use milliseconds
+        int connectTimeout = isPg ? CONNECTION_TIMEOUT : CONNECTION_TIMEOUT * 1000;
+        int socketTimeout = isPg ? SOCKET_TIMEOUT: SOCKET_TIMEOUT * 1000;
+        props.setProperty("connectTimeout", String.valueOf(connectTimeout));
+        props.setProperty("socketTimeout", String.valueOf(socketTimeout));
+
         var conn = DriverManager.getConnection(jdbcUrl, props);
         // disable auto commit can improve performance
         conn.setAutoCommit(false);