Fixes #2185 - googleSearchRetrieval(true) causes INVALID_ARGUMENT error with Gemini 2.0 (use google_search instead)

Author: ddobrin

models/spring-ai-vertex-ai-gemini/src/main/java/org/springframework/ai/vertexai/gemini/VertexAiGeminiChatModel.java

@@ -714,11 +714,8 @@ GeminiRequest createGeminiRequest(Prompt prompt) {
 		}
 
 		if (prompt.getOptions() instanceof VertexAiGeminiChatOptions options && options.getGoogleSearchRetrieval()) {
-			// final var googleSearchRetrieval = GoogleSearchRetrieval.newBuilder().getDefaultInstanceForType();
 			var googleSearch = GoogleSearch.newBuilder().getDefaultInstanceForType();
-			final var googleSearchRetrievalTool = Tool.newBuilder()
-				.setGoogleSearch(googleSearch)
-				.build();
+			final var googleSearchRetrievalTool = Tool.newBuilder().setGoogleSearch(googleSearch).build();
 			tools.add(googleSearchRetrievalTool);
 		}
 

models/spring-ai-vertex-ai-gemini/src/test/java/org/springframework/ai/vertexai/gemini/VertexAiGeminiChatModelIT.java

@@ -103,9 +103,9 @@ void googleSearchToolPro() {
 	@Test
 	void googleSearchToolFlash() {
 		Prompt prompt = createPrompt(VertexAiGeminiChatOptions.builder()
-				.model(ChatModel.GEMINI_2_0_FLASH)
-				.googleSearchRetrieval(true)
-				.build());
+			.model(ChatModel.GEMINI_2_0_FLASH)
+			.googleSearchRetrieval(true)
+			.build());
 		ChatResponse response = this.chatModel.call(prompt);
 		assertThat(response.getResult().getOutput().getText()).containsAnyOf("Blackbeard", "Bartholomew", "Bob");
 	}