ClientAbortException: Broken pipe exception solution and optimization solution in SpringBoot

Problem analysis

2024-12-03 10:44:02.395 adcontrol-demo-api [http-nio-8082-exec-5] ERROR  - Request address'/test/sum',System exception occurred.
: : Broken pipe
        at (:353)
        at (:784)
        at (:689)

Judging from the log, this is a paragraphClientAbortException: Broken pipeException stack information. The exception occurs in the Spring Boot project, indicating that the HTTP request connection between the client and the server is interrupted. The reason for this problem may be one of the following:

1. The client actively disconnects:
   • The client closes the connection before the server returns the response, which may be due to network problems, the timeout setting is too short, or the user cancels the request in the middle.
2. The server response time is too long:
   • The server takes too long to process the request, causing the client to time out and disconnect.
3. Load balancing or network middleware interference:
   • If the request passes through middleware such as reverse proxy, load balancer, etc., it may be that the middleware timed out or disconnected.
4. The amount of data returned by the server is too large:
   • If the server returns a large amount of data, the client may be unable to receive the complete response and interrupt.

Problem recurrence and troubleshooting

1. Log Stack Analysis:
   The log display problem occurs whenMethod, indicating that the exception occurs during the server writing response content to the output stream, and the connection has been closed by the client.

2. Problem positioning steps:

   • Confirm whether there is excessive request processing logic (such as querying databases, external interface calls).
   • Check whether the amount of data returned exceeds expectations, especially when large files or long lists are returned.
   • Check if the client has set a timeout too short, causing the connection to be closed before the server processing is completed.

3. Reproduce the problem:

   • Use tools such as Postman or cURL to simulate client requests and record response times.
   • Adding logging on the server side time to each step of the server, locate possible delay points.
   • Test high-concurrency scenarios in a simulated environment and observe whether exceptions occur frequently.

Solution

For different reasons, the following measures can be taken:

1. Optimize server response time

• Problem: The server takes too long to process logic.
• solve:
  • Optimize SQL queries to reduce query complexity.
  • If time-consuming external interface calls are involved, you can use asynchronous methods or introduce caches.
  • pass@AsyncImplement asynchronous processing of long-term operations and immediately return the response.
  • Configure Tomcat'sasync-supportedParameters to support asynchronous request processing.

2. Set a reasonable timeout

• Problem: The timeout settings between the client and the server are inconsistent.
• solve:
  • Adjust the timeout in the server configuration file. For example, for Spring Boot:

server:
  connection-timeout: 30s

• • Adjust the client's timeout time to make sure it is long enough to receive server responses.

3. Limit the return amount of data

• Problem: The amount of data returned by the server is too large, and the client fails to process it.
• solve:
  • Paginate the returned results. For example:

@GetMapping("/channel_income_line/sum_period")
public ResponseEntity<?> getSumPeriod(@RequestParam int page, @RequestParam int size) {
    // Pagination logic    return ((page, size));
}

• • When returning big data such as files, enable chunked transfer encoding or provide a download link.

4. Improve the robustness of the system

• Problem: The server did not correctly catch the connection interrupt exception.
• solve:
  • CaptureClientAbortExceptionExceptions are processed to avoid too much meaningless log output.

@RestControllerAdvice
public class GlobalExceptionHandler {
    @ExceptionHandler()
    public ResponseEntity<String> handleClientAbortException(ClientAbortException e) {
        // Print brief information        ("Client disconnection: {}", ());
        return (HttpStatus.SERVICE_UNAVAILABLE).body("Client connection has been disconnected");
    }
}

5. Monitoring and early warning

• Configure monitoring tools (such as Prometheus and Grafana) to monitor response time, failure rate and other metrics.
• Add log analysis tools (such as ELK) to trackClientAbortExceptionFrequency and context of occurrence.

Summarize

ClientAbortException: Broken pipeIt is a common network exception, usually caused by interruption of communication between the client and the server. The following measures can be used to effectively solve the problem:

• Optimize server performance and reduce long-term operations.
• Set the timeout reasonably to avoid misjudging it as a connection exception.
• Limit the amount of data returned to ensure that the client can process it efficiently.
• Enhance the exception capture mechanism and improve the robustness of the system.

Sample code snippet

@RestController
@RequestMapping("/test")
public class ChannelIncomeLineController {

    @GetMapping("/sum")
    public ResponseEntity<?> getSumPeriod(@RequestParam int page, @RequestParam int size) {
        try {
            List<Data> data = (page, size);
            return (data);
        } catch (Exception e) {
            ("An exception occurred when processing the request: {}", (), e);
            return (HttpStatus.INTERNAL_SERVER_ERROR).body("Server Error");
        }
    }
}

Through the above improvements, the system facesBroken pipeThe problem can be located and solved more efficiently to avoid repeated similar exceptions.

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