bugfix: Modify elasticsearch-java version to be consistent with Spring AI (#415)

* bugfix: When I started the rag-elasticsearch-example project, there was a version incompatibility issue

* bugfix: When I started the rag-elasticsearch-example project, there was a version incompatibility issue

Author: ruqinhu

spring-ai-alibaba-chat-memory-example/pom.xml

@@ -89,12 +89,6 @@
 			<groupId>org.springframework.ai</groupId>
 			<artifactId>spring-ai-advisors-vector-store</artifactId>
 		</dependency>
-		
-		<dependency>
-			<groupId>co.elastic.clients</groupId>
-			<artifactId>elasticsearch-java</artifactId>
-			<version>8.15.5</version>
-		</dependency>
 
 	</dependencies>
 

spring-ai-alibaba-rag-example/module-rag/pom.xml

@@ -62,7 +62,7 @@
 		<dependency>
 			<groupId>co.elastic.clients</groupId>
 			<artifactId>elasticsearch-java</artifactId>
-			<version>8.13.4</version>
+			<version>8.18.1</version>
 			<exclusions>
 				<exclusion>
 					<artifactId>elasticsearch-rest-client</artifactId>
@@ -73,7 +73,7 @@
 		<dependency>
 			<artifactId>elasticsearch-rest-client</artifactId>
 			<groupId>org.elasticsearch.client</groupId>
-			<version>8.13.4</version>
+			<version>8.18.1</version>
 		</dependency>
 
 		<dependency>

spring-ai-alibaba-rag-example/module-rag/src/main/java/com/alibaba/cloud/ai/example/rag/init/VectorDBInit.java

@@ -24,6 +24,7 @@
 
 import co.elastic.clients.elasticsearch.ElasticsearchClient;
 import co.elastic.clients.elasticsearch._types.mapping.DenseVectorProperty;
+import co.elastic.clients.elasticsearch._types.mapping.DenseVectorSimilarity;
 import co.elastic.clients.elasticsearch._types.mapping.KeywordProperty;
 import co.elastic.clients.elasticsearch._types.mapping.ObjectProperty;
 import co.elastic.clients.elasticsearch._types.mapping.Property;
@@ -125,7 +126,7 @@ private void createIndexIfNotExists() {
 			// Maybe using json directly?
 			Map<String, Property> properties = new HashMap<>();
 			properties.put(vectorField, Property.of(property -> property.denseVector(
-					DenseVectorProperty.of(dense -> dense.index(true).dims(dimsLength).similarity(similarityAlgo)))));
+					DenseVectorProperty.of(dense -> dense.index(true).dims(dimsLength).similarity(DenseVectorSimilarity.valueOf(similarityAlgo))))));
 			properties.put(textField, Property.of(property -> property.text(TextProperty.of(t -> t))));
 
 			Map<String, Property> metadata = new HashMap<>();

spring-ai-alibaba-rag-example/rag-elasticsearch-autoconfigure-example/pom.xml

@@ -60,7 +60,7 @@
             <dependency>
                 <groupId>co.elastic.clients</groupId>
                 <artifactId>elasticsearch-java</artifactId>
-                <version>8.13.3</version>
+                <version>8.18.1</version>
             </dependency>
         </dependencies>
     </dependencyManagement>

spring-ai-alibaba-rag-example/rag-elasticsearch-example/pom.xml

@@ -72,7 +72,7 @@
             <dependency>
                 <groupId>co.elastic.clients</groupId>
                 <artifactId>elasticsearch-java</artifactId>
-                <version>8.13.3</version>
+                <version>8.18.1</version>
             </dependency>
         </dependencies>
     </dependencyManagement>

spring-ai-alibaba-rag-example/rag-elasticsearch-example/src/main/java/com/alibaba/cloud/ai/example/rag/local/LocalRagService.java

@@ -147,7 +147,7 @@ private void createIndexIfNotExists() {
             // Maybe using json directly?
             Map<String, Property> properties = new HashMap<>();
             properties.put(vectorField, Property.of(property -> property.denseVector(
-                    DenseVectorProperty.of(dense -> dense.index(true).dims(dimsLength).similarity(similarityAlgo)))));
+                    DenseVectorProperty.of(dense -> dense.index(true).dims(dimsLength).similarity(DenseVectorSimilarity.valueOf(similarityAlgo))))));
             properties.put(textField, Property.of(property -> property.text(TextProperty.of(t -> t))));
 
             Map<String, Property> metadata = new HashMap<>();