"DataBufferLimit" Reported in the spring-boot-actuator-autoconfigure Module

Symptom

The spring-boot-actuator-autoconfigure module reports a "DataBufferLimit" message during compilation.

Key Process and Cause Analysis

The number of buffer bytes of the spring-boot-actuator-autoconfigure module exceeds the limit.

Conclusion and Solution

Increase the size of the buffer bytes.

1. Open the WebMvcEndpointExposureIntegrationTests.java file.

   vim ./spring-boot-project/spring-boot-actuator-autoconfigure/src/test/java/org/springframework/boot/actuate/autoconfigure/integrationtest/WebMvcEndpointExposureIntegrationTests.java

2. Press i to enter the insert mode and modify the file.
   • Add the following content to line 57:

     import org.springframework.web.reactive.function.client.ExchangeStrategies;

     

   • Modify line 168.

                      ExchangeStrategies exchangeStrategies = ExchangeStrategies.builder()
                                      .codecs((configurer) -> configurer.defaultCodecs().maxInMemorySize(512 * 1024)).build();
                      return WebTestClient.bindToServer().baseUrl("http://localhost:" + port).exchangeStrategies(exchangeStrategies)
                                       .build();

     

   

   Run the :set list command to check the format. Spaces are not allowed. Use Tab to indent the code.

3. Press Esc, type :wq!, and press Enter to save the file and exit.