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Auto-config: Retries for network exceptions #4576

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635dad7
#4567: Enhances retry configuration for network errors
seungy0 Oct 9, 2025
9d1eb67
apply format
seungy0 Oct 9, 2025
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23 changes: 20 additions & 3 deletions .../main/java/org/springframework/ai/retry/autoconfigure/SpringAiRetryAutoConfiguration.java
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Original file line number Diff line number Diff line change
Expand Up @@ -36,8 +36,10 @@
import org.springframework.retry.RetryContext;
import org.springframework.retry.RetryListener;
import org.springframework.retry.support.RetryTemplate;
import org.springframework.retry.support.RetryTemplateBuilder;
import org.springframework.util.CollectionUtils;
import org.springframework.util.StreamUtils;
import org.springframework.web.client.ResourceAccessException;
import org.springframework.web.client.ResponseErrorHandler;

/**
Expand All @@ -47,6 +49,7 @@
*
* @author Christian Tzolov
* @author SriVarshan P
* @author Seunggyu Lee
*/
@AutoConfiguration
@ConditionalOnClass(RetryUtils.class)
Expand All @@ -58,9 +61,10 @@ public class SpringAiRetryAutoConfiguration {
@Bean
@ConditionalOnMissingBean
public RetryTemplate retryTemplate(SpringAiRetryProperties properties) {
return RetryTemplate.builder()
RetryTemplateBuilder builder = RetryTemplate.builder()
.maxAttempts(properties.getMaxAttempts())
.retryOn(TransientAiException.class)
.retryOn(ResourceAccessException.class)
.exponentialBackoff(properties.getBackoff().getInitialInterval(), properties.getBackoff().getMultiplier(),
properties.getBackoff().getMaxInterval())
.withListener(new RetryListener() {
Expand All @@ -71,8 +75,21 @@ public <T, E extends Throwable> void onError(RetryContext context, RetryCallback
logger.warn("Retry error. Retry count: {}, Exception: {}", context.getRetryCount(),
throwable.getMessage(), throwable);
}
})
.build();
});

// Optionally add WebFlux pre-response network errors if present
try {
Class<?> webClientRequestEx = Class
.forName("org.springframework.web.reactive.function.client.WebClientRequestException");
@SuppressWarnings("unchecked")
Class<? extends Throwable> exClass = (Class<? extends Throwable>) webClientRequestEx;
builder.retryOn(exClass);
}
catch (ClassNotFoundException ignore) {
// WebFlux not on classpath; skip
}

return builder.build();
}

@Bean
Expand Down