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pichlermarc authored Apr 24, 2023
2 parents de354db + 93c2ef3 commit 0257ccc
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2 changes: 2 additions & 0 deletions CHANGELOG.md
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Expand Up @@ -13,6 +13,8 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/

### :bug: (Bug Fix)

* fix(sdk-node): fix initialization in bundled environments by not loading @opentelemetry/exporter-jaeger [#3739](https://github.com/open-telemetry/opentelemetry-js/pull/3739) @pichlermarc

### :books: (Refine Doc)

### :house: (Internal)
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Expand Up @@ -32,7 +32,6 @@ import { OTLPTraceExporter as OTLPProtoTraceExporter } from '@opentelemetry/expo
import { OTLPTraceExporter as OTLPHttpTraceExporter } from '@opentelemetry/exporter-trace-otlp-http';
import { OTLPTraceExporter as OTLPGrpcTraceExporter } from '@opentelemetry/exporter-trace-otlp-grpc';
import { ZipkinExporter } from '@opentelemetry/exporter-zipkin';
import { JaegerExporter } from '@opentelemetry/exporter-jaeger';

export class TracerProviderWithEnvExporters extends NodeTracerProvider {
private _configuredExporters: SpanExporter[] = [];
Expand Down Expand Up @@ -68,13 +67,28 @@ export class TracerProviderWithEnvExporters extends NodeTracerProvider {
);
}

private static configureJaeger() {
// The JaegerExporter does not support being required in bundled
// environments. By delaying the require statement to here, we only crash when
// the exporter is actually used in such an environment.
try {
// eslint-disable-next-line @typescript-eslint/no-var-requires
const { JaegerExporter } = require('@opentelemetry/exporter-jaeger');
return new JaegerExporter();
} catch (e) {
throw new Error(
`Could not instantiate JaegerExporter. This could be due to the JaegerExporter's lack of support for bundling. If possible, use @opentelemetry/exporter-trace-otlp-proto instead. Original Error: ${e}`
);
}
}

protected static override _registeredExporters = new Map<
string,
() => SpanExporter
>([
['otlp', () => this.configureOtlp()],
['zipkin', () => new ZipkinExporter()],
['jaeger', () => new JaegerExporter()],
['jaeger', () => this.configureJaeger()],
['console', () => new ConsoleSpanExporter()],
]);

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2 changes: 2 additions & 0 deletions packages/opentelemetry-exporter-jaeger/README.md
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Expand Up @@ -9,6 +9,8 @@
- `@opentelemetry/exporter-trace-otlp-grpc`
- `@opentelemetry/exporter-trace-otlp-http`

**NOTE: Bundling (with e.g. `webpack`, `rollup`, `esbuild`, ...) is not supported by this package. Please use `@opentelemetry/exporter-trace-otlp-proto` instead.**

OpenTelemetry Jaeger Trace Exporter allows the user to send collected traces to Jaeger.

[Jaeger](https://jaeger.readthedocs.io/en/latest/), inspired by [Dapper](https://research.google.com/pubs/pub36356.html) and [OpenZipkin](http://zipkin.io/), is a distributed tracing system released as open source by [Uber Technologies](http://uber.github.io/). It is used for monitoring and troubleshooting microservices-based distributed systems, including:
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