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OpenFeign Integration

Sentry OpenFeign integration provides the SentryFeignClient, which creates a span for each outgoing HTTP request executed with a Feign-based HTTP client.

Install

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<dependency>
    <groupId>io.sentry</groupId>
    <artifactId>sentry-openfeign</artifactId>
    <version>7.13.0</version>
</dependency>

For other dependency managers see the central Maven repository.

Configure

Add SentryCapability to Feign builder:

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import feign.Feign;
import io.sentry.openfeign.SentryCapability;

YourApi api = Feign.builder()
    .addCapability(new SentryCapability())
    ...
    .target(YourApi.class, "https://your-api-host/");

Modify or Drop Spans

Spans created around HTTP requests can be modified or dropped using SentryFeignClient.BeforeSpanCallback passed to SentryCapability:

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import feign.Feign;
import io.sentry.openfeign.SentryCapability;

YourApi api = Feign.builder()
    .addCapability(
        new SentryCapability(
            (span, request, response) -> {
              // modify span or return `null` to drop
              if (request.url().endsWith("/todos")) {
                span.setTag("tag-name", "tag-value");
              }
              return span;
            }))
    ...
    .target(YourApi.class, "https://your-api-host/");
Package:
maven:io.sentry:sentry
Version:
7.13.0
Repository:
https://github.com/getsentry/sentry-java