[FLINK-39362][Docs] Fix broken/outdated connector download links and improve link maintenance strategy (#4356)

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>
(cherry picked from commit 209c0c6)

Author: lvyanquan

.dlc.json

@@ -9,12 +9,6 @@
     {
       "pattern": "^{"
     },
-    {
-      "pattern": "^https://repo1.maven.org/maven2/org/apache/flink.*"
-    },
-    {
-      "pattern": "^https://mvnrepository.com"
-    },
     {
       "pattern": "^https://img.shields.io"
     },

docs/content.zh/docs/connectors/flink-sources/db2-cdc.md

@@ -48,7 +48,7 @@ using a build automation tool (such as Maven or SBT) and SQL Client with SQL JAR
 
 ### SQL Client JAR
 
-Download [flink-sql-connector-db2-cdc-{{< param Version >}}.jar](https://repo1.maven.org/maven2/org/apache/flink/flink-sql-connector-db2-cdc/{{< param Version >}}/flink-sql-connector-db2-cdc-{{< param Version >}}.jar) and
+Download [flink-sql-connector-db2-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-db2-cdc) and
 put it under `<FLINK_HOME>/lib/`.
 
 **Note:** Refer to

docs/content.zh/docs/connectors/flink-sources/mongodb-cdc.md

@@ -47,7 +47,7 @@ MongoDB CDC 连接器允许从 MongoDB 读取快照数据和增量数据。 本
 
 ```下载链接仅适用于稳定版本。```
 
-下载 [flink-sql-connector-mongodb-cdc-{{< param Version >}}.jar](https://repo1.maven.org/maven2/org/apache/flink/flink-sql-connector-mongodb-cdc/{{< param Version >}}/flink-sql-connector-mongodb-cdc-{{< param Version >}}.jar)， 把它放在 `<FLINK_HOME>/lib/`.
+下载 [flink-sql-connector-mongodb-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-mongodb-cdc)， 把它放在 `<FLINK_HOME>/lib/`.
 
 **注意:** 参考 [flink-sql-connector-mongodb-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-mongodb-cdc)， 当前已发布的版本将在 Maven 中央仓库中提供。
 

docs/content.zh/docs/connectors/flink-sources/mysql-cdc.md

@@ -52,9 +52,7 @@ MySQL CDC 连接器允许从 MySQL 数据库读取快照数据和增量数据。
 
 ### SQL Client JAR
 
-```下载链接仅在已发布版本可用，请在文档网站左下角选择浏览已发布的版本。```
-
-下载 [flink-sql-connector-mysql-cdc-{{< param Version >}}.jar](https://repo1.maven.org/maven2/org/apache/flink/flink-sql-connector-mysql-cdc/{{< param Version >}}/flink-sql-connector-mysql-cdc-{{< param Version >}}.jar) 到 `<FLINK_HOME>/lib/` 目录下。
+下载 [flink-sql-connector-mysql-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-mysql-cdc) 到 `<FLINK_HOME>/lib/` 目录下。
 
 **注意:** 参考 [flink-sql-connector-mysql-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-mysql-cdc) 当前已发布的所有版本都可以在 Maven 中央仓库获取。
 

docs/content.zh/docs/connectors/flink-sources/oceanbase-cdc.md

@@ -108,9 +108,7 @@ OceanBase CDC 源端读取方案：
 
 ### SQL Client JAR
 
-```下载链接仅在已发布版本可用，请在文档网站左下角选择浏览已发布的版本。```
-
-下载[flink-sql-connector-oceanbase-cdc-{{< param Version >}}.jar](https://repo1.maven.org/maven2/org/apache/flink/flink-sql-connector-oceanbase-cdc/{{< param Version >}}/flink-sql-connector-oceanbase-cdc-{{< param Version >}}.jar)  到 `<FLINK_HOME>/lib/` 目录下。
+下载[flink-sql-connector-oceanbase-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-oceanbase-cdc)  到 `<FLINK_HOME>/lib/` 目录下。
 
 **注意:** 参考 [flink-sql-connector-oceanbase-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-oceanbase-cdc) 当前已发布的所有版本都可以在 Maven 中央仓库获取。
 

docs/content.zh/docs/connectors/flink-sources/oracle-cdc.md

@@ -41,7 +41,7 @@ In order to setup the Oracle CDC connector, the following table provides depende
 
 **Download link is available only for stable releases.**
 
-Download [flink-sql-connector-oracle-cdc-{{< param Version >}}.jar](https://repo1.maven.org/maven2/org/apache/flink/flink-sql-connector-oracle-cdc/{{< param Version >}}/flink-sql-connector-oracle-cdc-{{< param Version >}}.jar) and put it under `<FLINK_HOME>/lib/`.
+Download [flink-sql-connector-oracle-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-oracle-cdc) and put it under `<FLINK_HOME>/lib/`.
 
 **Note:** Refer to [flink-sql-connector-oracle-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-oracle-cdc), more released versions will be available in the Maven central warehouse.
 

docs/content.zh/docs/connectors/flink-sources/overview.md

@@ -41,7 +41,7 @@ In order to setup the Postgres CDC connector, the following table provides depen
 
 ```Download link is available only for stable releases.```
 
-Download [flink-sql-connector-postgres-cdc-{{< param Version >}}.jar](https://repo1.maven.org/maven2/org/apache/flink/flink-sql-connector-postgres-cdc/{{< param Version >}}/flink-sql-connector-postgres-cdc-{{< param Version >}}.jar) and put it under `<FLINK_HOME>/lib/`.
+Download [flink-sql-connector-postgres-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-postgres-cdc) and put it under `<FLINK_HOME>/lib/`.
 
 **Note:** Refer to [flink-sql-connector-postgres-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-postgres-cdc), more released versions will be available in the Maven central warehouse.
 

docs/content.zh/docs/connectors/flink-sources/postgres-cdc.md

@@ -41,7 +41,7 @@ In order to setup the SQLServer CDC connector, the following table provides depe
 
 ```Download link is available only for stable releases.```
 
-Download [flink-sql-connector-sqlserver-cdc-{{< param Version >}}.jar](https://repo1.maven.org/maven2/org/apache/flink/flink-sql-connector-sqlserver-cdc/{{< param Version >}}/flink-sql-connector-sqlserver-cdc-{{< param Version >}}.jar) and put it under `<FLINK_HOME>/lib/`.
+Download [flink-sql-connector-sqlserver-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-sqlserver-cdc) and put it under `<FLINK_HOME>/lib/`.
 
 **Note:** Refer to [flink-sql-connector-sqlserver-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-sqlserver-cdc), more released versions will be available in the Maven central warehouse.
 

docs/content.zh/docs/connectors/flink-sources/sqlserver-cdc.md

@@ -41,7 +41,7 @@ In order to setup the TiDB CDC connector, the following table provides dependenc
 
 ```Download link is available only for stable releases.```
 
-Download [flink-sql-connector-tidb-cdc-{{< param Version >}}.jar](https://repo1.maven.org/maven2/org/apache/flink/flink-sql-connector-tidb-cdc/{{< param Version >}}/flink-sql-connector-tidb-cdc-{{< param Version >}}.jar) and put it under `<FLINK_HOME>/lib/`.
+Download [flink-sql-connector-tidb-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-tidb-cdc) and put it under `<FLINK_HOME>/lib/`.
 
 **Note:** Refer to [flink-sql-connector-tidb-cdc](https://mvnrepository.com/artifact/org.apache.flink/flink-sql-connector-tidb-cdc), more released versions will be available in the Maven central warehouse.