DataBufferLimitException: Exceeded limit on max bytes to buffer webflux error

Question

While sending a file I receive an array of bytes. I always have a problem with webflux to receive an array. the error thrown as below :

org.springframework.core.io.buffer.DataBufferLimitException: Exceeded limit on max bytes to buffer : 262144
    at org.springframework.core.io.buffer.LimitedDataBufferList.raiseLimitException(LimitedDataBufferList.java:101)
    Suppressed: reactor.core.publisher.FluxOnAssembly$OnAssemblyException

Do you now how to resolve that in webflux ?

Answer 1

This workerd for me

1. Create a bean in your one of the configuration class or the main Springbootapplication class

   @Bean
   public WebClient getWebClientBuilder(){
       return   WebClient.builder().exchangeStrategies(ExchangeStrategies.builder()
               .codecs(configurer -> configurer
                         .defaultCodecs()
                         .maxInMemorySize(16 * 1024 * 1024))
                       .build())
                     .build();
   }
   

2. Next go to your desired class where you want to use the webclient

     @RestController / @Bean/ @Service
      public class PaySharpGatewayController {
           @Autowired
           WebClient webClient;
   
           public void test(){
            String out = webClient
                         .get()
                         .uri("end point of an API")
                         .retrieve()
                         .bodyToMono(String.class)
                        .block();
   
            sysout(out)
           }