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OpenTelemetry: Return null when getting a missing header #662

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Nov 22, 2022
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Original file line number Diff line number Diff line change
Expand Up @@ -214,7 +214,7 @@ private[opentelemetry] object OpenTelemetrySpan {
override def keys(carrier: Kernel): lang.Iterable[String] = carrier.toHeaders.keys.asJava

override def get(carrier: Kernel, key: String): String =
carrier.toHeaders(key)
carrier.toHeaders.getOrElse(key, null)
}

private val spanContextSetter = new TextMapSetter[mutable.Map[String, String]] {
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