Paimon and JDBC thin jars: provided scope, put jars in flink/lib

- Paimon connector: paimon-flink as provided, remove shade; thin jar.
  Put paimon-flink, paimon-s3, etc. in flink/lib.
- MySQL: flink-connector-mysql-cdc excludes driver from debezium,
  adds mysql-connector-j as provided. Put mysql-connector-j in flink/lib.
- OpenGauss: flink-connector-opengauss-cdc opengauss-jdbc as provided;
  pipeline-connector-opengauss removes opengauss-jdbc from shade.
  Put opengauss-jdbc in flink/lib.

Made-with: Cursor

Author: 段晓雄

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-mysql/pom.xml

@@ -38,6 +38,14 @@ limitations under the License.
             <version>${project.version}</version>
         </dependency>
 
+        <!-- MySQL JDBC: provided for compile; put mysql-connector-j in flink/lib -->
+        <dependency>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
+            <version>8.0.33</version>
+            <scope>provided</scope>
+        </dependency>
+
         <dependency>
             <groupId>org.apache.flink</groupId>
             <artifactId>flink-connector-mysql-cdc</artifactId>

flink-cdc-connect/flink-cdc-pipeline-connectors/flink-cdc-pipeline-connector-paimon/pom.xml

@@ -36,11 +36,12 @@ limitations under the License.
     </properties>
 
     <dependencies>
-        <!-- paimon dependency -->
+        <!-- Paimon: provided so connector jar stays thin; put paimon-flink, paimon-s3, etc. in flink/lib -->
         <dependency>
             <groupId>org.apache.paimon</groupId>
             <artifactId>paimon-flink-${flink.major.version}</artifactId>
             <version>${paimon.version}</version>
+            <scope>provided</scope>
         </dependency>
 
         <!-- test -->
@@ -257,34 +258,7 @@ limitations under the License.
 
     <build>
         <plugins>
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-shade-plugin</artifactId>
-                <version>${maven.shade.plugin.version}</version>
-                <executions>
-                    <execution>
-                        <id>shade-flink</id>
-                        <phase>package</phase>
-                        <goals>
-                            <goal>shade</goal>
-                        </goals>
-                        <configuration>
-                            <shadeTestJar>false</shadeTestJar>
-                            <artifactSet>
-                                <includes>
-                                    <include>org.apache.paimon:*</include>
-                                </includes>
-                            </artifactSet>
-                            <relocations>
-                                <relocation>
-                                    <pattern>org.apache.kafka</pattern>
-                                    <shadedPattern>shaded.paimon.org.apache.kafka</shadedPattern>
-                                </relocation>
-                            </relocations>
-                        </configuration>
-                    </execution>
-                </executions>
-            </plugin>
+            <!-- No shade: Paimon is provided; put paimon-flink, paimon-s3, etc. in flink/lib -->
 
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>

flink-cdc-connect/flink-cdc-source-connectors/flink-connector-mysql-cdc/pom.xml

@@ -48,6 +48,24 @@ limitations under the License.
             <groupId>io.debezium</groupId>
             <artifactId>debezium-connector-mysql</artifactId>
             <version>${debezium.version}</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.mysql</groupId>
+                    <artifactId>mysql-connector-j</artifactId>
+                </exclusion>
+                <exclusion>
+                    <groupId>mysql</groupId>
+                    <artifactId>mysql-connector-java</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+
+        <!-- MySQL JDBC: provided; put mysql-connector-j in flink/lib -->
+        <dependency>
+            <groupId>com.mysql</groupId>
+            <artifactId>mysql-connector-j</artifactId>
+            <version>8.0.33</version>
+            <scope>provided</scope>
         </dependency>
 
         <dependency>