fix(propagator-jaeger): zero pad extracted trace id to 32 characters

fixes #1983
open-telemetry · Mar 2, 2021 · 7d543ce · 7d543ce
1 parent e00134e
commit 7d543ce
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/packages/opentelemetry-propagator-jaeger/src/JaegerHttpTracePropagator.ts b/packages/opentelemetry-propagator-jaeger/src/JaegerHttpTracePropagator.ts
@@ -95,8 +95,10 @@ function deserializeSpanContext(serializedString: string): SpanContext | null {
   if (headers.length !== 4) {
     return null;
   }
-  const [traceId, spanId, , flags] = headers;
 
+  const [_traceId, spanId, , flags] = headers;
+
+  const traceId = _traceId.padStart(32, '0');
   const traceFlags = flags.match(/^[0-9a-f]{2}$/i) ? parseInt(flags) & 1 : 1;
 
   return { traceId, spanId, isRemote: true, traceFlags };