Spring AI spring-ai 1.1.0 azure openai AsyncMcpToolCallbackProvider block()/blockFirst()/blockLast() are blocking, which is not supported

spring-ai version: 1.1.0 java.lang.IllegalStateException: block()/blockFirst()/blockLast() are blocking, which is not supported in thread reactor-http-nio-4 at reactor.core.publisher.BlockingSingleSubscriber.blockingGet(BlockingSingleSubscriber.java:87) ~[reactor-core-3.7.11.jar:3.7.11] at reactor.core.publisher.Mono.block(Mono.java:1779) ~[reactor-core-3.7.11.jar:3.7.11] at org.springframework.ai.mcp.AsyncMcpToolCallbackProvider.getToolCallbacks(AsyncMcpToolCallbackProvider.java:155) ~[spring-ai-mcp-1.1.0.jar:1.1.0] at org.springframework.ai.chat.client.DefaultChatClientUtils.toChatClientRequest(DefaultChatClientUtils.java:134) ~[spring-ai-client-chat-1.1.0.jar:1.1.0] at org.springframework.ai.chat.client.DefaultChatClient$DefaultChatClientRequestSpec.stream(DefaultChatClient.java:1022) ~[spring-ai-client-chat-1.1.0.jar:1.1.0]

spring-ai version: 1.1.0-M3 Everything is ok.

    <dependency>
      <groupId>org.springframework.ai</groupId>
      <artifactId>spring-ai-starter-model-azure-openai</artifactId>
    </dependency>
    <dependency>
      <groupId>org.springframework.ai</groupId>
      <artifactId>spring-ai-starter-mcp-client-webflux</artifactId>
    </dependency>

spring:
  ai: 
    mcp:
      client:
      type: ASYNC
      streamable-http:
        connections:
          toolbox:
            url: http://127.0.0.1:5000

  @Bean
  ChatClient chatClient(
      ChatClient.Builder chatClientBuilder,
      ToolCallbackProvider[] toolCallbackProviders,
      ChatMemory chatMemory,
      ChatProperties chatProperties
  ) {
    return chatClientBuilder
        .defaultToolCallbacks(toolCallbackProviders)
        .defaultSystem(chatProperties.getSystemPrompt())
        .defaultAdvisors(
            MessageChatMemoryAdvisor.builder(chatMemory).build(),
            new SystemPromptFirstSortingAdvisor()
        )
        .build();
  }

  @Override
  public Flux<ChatResponse> chat(ChatRequest request, String conversationId) {
    return chatClient.prompt()
        .user(request.prompt())
        .advisors(a -> a.param(ChatMemory.CONVERSATION_ID, conversationId))
        .stream()
        .chatResponse();
  }