yuxiqian commented on code in PR #4507:
URL: https://github.com/apache/flink-cdc/pull/4507#discussion_r3800904054


##########
flink-cdc-pipeline-model/flink-cdc-pipeline-model-openai-compatible/pom.xml:
##########
@@ -0,0 +1,140 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Licensed to the Apache Software Foundation (ASF) under one or more
+contributor license agreements.  See the NOTICE file distributed with
+this work for additional information regarding copyright ownership.
+The ASF licenses this file to You under the Apache License, Version 2.0
+(the "License"); you may not use this file except in compliance with
+the License.  You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<project xmlns="http://maven.apache.org/POM/4.0.0";
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 
http://maven.apache.org/xsd/maven-4.0.0.xsd";>
+    <parent>
+        <groupId>org.apache.flink</groupId>
+        <artifactId>flink-cdc-pipeline-model-parent</artifactId>
+        <version>${revision}</version>
+    </parent>
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <artifactId>flink-cdc-pipeline-model-openai-compatible</artifactId>
+    <packaging>jar</packaging>
+
+    <properties>
+        <jackson.version>2.18.2</jackson.version>
+        <openai-java.version>4.32.0</openai-java.version>
+        <okhttp.version>4.12.0</okhttp.version>
+    </properties>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.flink</groupId>
+            <artifactId>flink-cdc-common</artifactId>
+            <version>${project.version}</version>
+            <scope>provided</scope>
+        </dependency>
+
+        <dependency>
+            <groupId>com.openai</groupId>
+            <artifactId>openai-java</artifactId>
+            <version>${openai-java.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>mockwebserver</artifactId>
+            <version>${okhttp.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-shade-plugin</artifactId>
+                <executions>
+                    <execution>
+                        <id>shade-flink</id>
+                        <configuration>
+                            <artifactSet>
+                                <includes combine.children="append">
+                                    <include>com.fasterxml:*</include>
+                                    
<include>com.fasterxml.jackson.core:*</include>
+                                    
<include>com.fasterxml.jackson.datatype:*</include>
+                                    
<include>com.fasterxml.jackson.module:*</include>
+                                    <include>com.github.victools:*</include>
+                                    <include>com.google.errorprone:*</include>
+                                    <include>com.openai:*</include>
+                                    <include>com.squareup.okhttp3:*</include>
+                                    <include>com.squareup.okio:*</include>
+                                    <include>io.swagger.core.v3:*</include>
+                                    <include>org.jetbrains:*</include>
+                                    <include>org.jetbrains.kotlin:*</include>
+                                </includes>
+                            </artifactSet>
+                            <filters combine.children="append">
+                                <filter>
+                                    <artifact>*:*</artifact>
+                                    <excludes>
+                                        
<exclude>META-INF/versions/**/module-info.class</exclude>
+                                    </excludes>
+                                </filter>
+                            </filters>
+                            <transformers>
+                                <transformer 
implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
+                            </transformers>
+                            <relocations>
+                                <relocation>
+                                    <pattern>com.fasterxml</pattern>
+                                    
<shadedPattern>org.apache.flink.cdc.models.openai.shaded.com.fasterxml</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>com.github.victools</pattern>
+                                    
<shadedPattern>org.apache.flink.cdc.models.openai.shaded.com.github.victools</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>com.google.errorprone</pattern>
+                                    
<shadedPattern>org.apache.flink.cdc.models.openai.shaded.com.google.errorprone</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>com.openai</pattern>
+                                    
<shadedPattern>org.apache.flink.cdc.models.openai.shaded.com.openai</shadedPattern>
+                                </relocation>
+                                <relocation>
+                                    <pattern>io.swagger</pattern>
+                                    
<shadedPattern>org.apache.flink.cdc.models.openai.shaded.io.swagger</shadedPattern>
+                                </relocation>
+                                <relocation>

Review Comment:
   We may not relocate Kotlin and OpenAI library or the following exception may 
occur:
   
   ```
   Caused by: java.lang.IllegalStateException: Resource not found in classpath: 
org/apache/flink/cdc/models/openai/shaded/kotlin/org.apache.flink.cdc.models.openai.shaded.kotlin.org.apache.flink.cdc.models.openai.shaded.kotlin_builtins
        at 
org.apache.flink.cdc.models.openai.shaded.kotlin.reflect.jvm.internal.impl.serialization.deserialization.builtins.BuiltInsLoaderImpl.createBuiltInPackageFragmentProvider(BuiltInsLoaderImpl.kt:59)
        at 
org.apache.flink.cdc.models.openai.shaded.kotlin.reflect.jvm.internal.impl.serialization.deserialization.builtins.BuiltInsLoaderImpl.createPackageFragmentProvider(BuiltInsLoaderImpl.kt:35)
        at 
org.apache.flink.cdc.models.openai.shaded.kotlin.reflect.jvm.internal.impl.builtins.KotlinBuiltIns.createBuiltInsModule(KotlinBuiltIns.java:105)
        at 
org.apache.flink.cdc.models.openai.shaded.kotlin.reflect.jvm.internal.impl.builtins.DefaultBuiltIns.<init>(DefaultBuiltIns.kt:24)
        at 
org.apache.flink.cdc.models.openai.shaded.kotlin.reflect.jvm.internal.impl.builtins.DefaultBuiltIns.<init>(DefaultBuiltIns.kt:21)
        at 
org.apache.flink.cdc.models.openai.shaded.kotlin.reflect.jvm.internal.impl.builtins.DefaultBuiltIns.<clinit>(DefaultBuiltIns.kt:31)
        ... 89 more
   ```
   
   ```
   
   Caused by: java.lang.ClassNotFoundException: com.openai.core.JsonField
        at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:476)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:594)
        at 
org.apache.flink.util.FlinkUserCodeClassLoader.loadClassWithoutExceptionHandling(FlinkUserCodeClassLoader.java:67)
        at 
org.apache.flink.util.ChildFirstClassLoader.loadClassWithoutExceptionHandling(ChildFirstClassLoader.java:74)
        at 
org.apache.flink.util.FlinkUserCodeClassLoader.loadClass(FlinkUserCodeClassLoader.java:51)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:527)
        at 
kotlin.reflect.jvm.internal.KDeclarationContainerImpl.parseType(KDeclarationContainerImpl.kt:273)
        at 
kotlin.reflect.jvm.internal.KDeclarationContainerImpl.loadParameterTypes(KDeclarationContainerImpl.kt:264)
        at 
kotlin.reflect.jvm.internal.KDeclarationContainerImpl.findConstructorBySignature(KDeclarationContainerImpl.kt:226)
        at 
kotlin.reflect.jvm.internal.KFunctionImpl$caller$2.invoke(KFunctionImpl.kt:66)
        at 
kotlin.reflect.jvm.internal.KFunctionImpl$caller$2.invoke(KFunctionImpl.kt:61)
        at 
kotlin.reflect.jvm.internal.ReflectProperties$LazyVal.invoke(ReflectProperties.java:63)
        at 
kotlin.reflect.jvm.internal.ReflectProperties$Val.getValue(ReflectProperties.java:32)
        at 
kotlin.reflect.jvm.internal.KFunctionImpl.getCaller(KFunctionImpl.kt:61)
        at 
kotlin.reflect.jvm.ReflectJvmMapping.getJavaConstructor(ReflectJvmMapping.kt:71)
        at 
kotlin.reflect.jvm.ReflectJvmMapping.getKotlinFunction(ReflectJvmMapping.kt:146)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.module.kotlin.ReflectionCacheKt.valueClassAwareKotlinFunction(ReflectionCache.kt:160)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.module.kotlin.ReflectionCacheKt.access$valueClassAwareKotlinFunction(ReflectionCache.kt:1)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.module.kotlin.ReflectionCache.kotlinFromJava(ReflectionCache.kt:66)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.module.kotlin.KotlinNamesAnnotationIntrospector.findDefaultCreator(KotlinNamesAnnotationIntrospector.kt:111)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.introspect.AnnotationIntrospectorPair.findDefaultCreator(AnnotationIntrospectorPair.java:746)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.introspect.POJOPropertiesCollector._addCreators(POJOPropertiesCollector.java:669)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.introspect.POJOPropertiesCollector.collectAll(POJOPropertiesCollector.java:451)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.introspect.POJOPropertiesCollector.getJsonValueAccessor(POJOPropertiesCollector.java:269)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.introspect.BasicBeanDescription.findJsonValueAccessor(BasicBeanDescription.java:248)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.ser.BasicSerializerFactory.findSerializerByAnnotations(BasicSerializerFactory.java:393)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.ser.BeanSerializerFactory._createSerializer2(BeanSerializerFactory.java:225)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.ser.BeanSerializerFactory.createSerializer(BeanSerializerFactory.java:174)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.SerializerProvider._createUntypedSerializer(SerializerProvider.java:1523)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.SerializerProvider._createAndCacheUntypedSerializer(SerializerProvider.java:1471)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.SerializerProvider.findValueSerializer(SerializerProvider.java:578)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.SerializerProvider.findTypedValueSerializer(SerializerProvider.java:856)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.ser.DefaultSerializerProvider.serializeValue(DefaultSerializerProvider.java:330)
        at 
org.apache.flink.cdc.models.openai.shaded.com.fasterxml.jackson.databind.ObjectMapper._writeValueAndClose(ObjectMapper.java:4811)
        ... 56 more
   ```



##########
flink-cdc-pipeline-model/pom.xml:
##########
@@ -31,6 +31,7 @@ limitations under the License.
     <modules>
         <module>flink-cdc-pipeline-model-legacy</module>
         <module>flink-cdc-pipeline-model-dummy</module>
+        <module>flink-cdc-pipeline-model-openai-compatible</module>
     </modules>

Review Comment:
   Seems we didn't include the discovered AI model client jars into the 
composer translator, causing the following exception:
   
   ```
   Caused by: java.lang.ClassNotFoundException:
   org.apache.flink.cdc.models.openai.OpenAiCompatibleModelClient
   ```
   
   Though we can use `--jar` as a workaround, it would be better by calling 
`FlinkEnvironmentUtils.addJar(...)` for discovered AI model client jars, just 
like source and sink factories.



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