Spring Boot with Rest Template, error catching errors

Question

I stopped an instance I call using rest template to be able to catch the errors thrown. The errors are:

org.springframework.web.client.ResourceAccessException: I/O error on POST request for

Caused by: java.net.SocketTimeoutException: Connect timed out

I handle the errors in try / catch block, and I log to verify if the ResourceAccessException is caught.

The log was printed, so the error was caught, and return a default value inside that catch block.

But the problem is that the error is still printed in the spring console, and I can't stop it.

try {
    ResponseEntity<String> exchange = restTemplate.exchange(url, HttpMethod.POST, httpEntity, String.class);

    return PipsUtils.roundToTwo(Float.parseFloat(Objects.requireNonNull(exchange.getBody())));
} catch (ResourceAccessException e) {
    log.error("An error occurred while connecting to instance with port: {}", port, e);
    throw new InstancesException("Connection to instances refused!");
}

I want to catch the error and stop from printing it in the console.

You are logging it yourself, so why shouldn't it be printed... — M. Deinum
– M. Deinum, Commented Nov 14, 2024 at 18:48
If the error is printed then something wrong happens to the underlined code that needs to fix. If you don't know how to fix the problem, then you should make a step back to figure out why this exception occurred and how to prevent it. Maybe some more effort is required to distinguish the actual problem. — Roman C
– Roman C, Commented Nov 14, 2024 at 18:58

Anubhav Sharma · Accepted Answer · 2024-11-14 21:06:43Z

0

I know I shouldn't do this. Anyways, try below code.

try {
        ResponseEntity<String> exchange = restTemplate.exchange(url, HttpMethod.POST, httpEntity, String.class);
        return PipsUtils.roundToTwo(Float.parseFloat(Objects.requireNonNull(exchange.getBody())));
} catch (ResourceAccessException e) {
       // I don't know return type of PipsUtils.roundToTwo
        return PipsUtils.roundToTwo(0f); 
}

answered Nov 14, 2024 at 21:06

Anubhav Sharma

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