From 24f4db3d2084d80da5f3f0fba6bb58d5c193062d Mon Sep 17 00:00:00 2001
From: Yang Hu <yhuz@amazon.com>
Date: Thu, 27 Aug 2020 11:44:57 -0500
Subject: [PATCH] add check for nil

---
 exporter/prometheusremotewriteexporter/exporter.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/exporter/prometheusremotewriteexporter/exporter.go b/exporter/prometheusremotewriteexporter/exporter.go
index 62904ef5f98..9c6c128de53 100644
--- a/exporter/prometheusremotewriteexporter/exporter.go
+++ b/exporter/prometheusremotewriteexporter/exporter.go
@@ -91,10 +91,19 @@ func (prwe *prwExporter) pushMetrics(ctx context.Context, md pdata.Metrics) (int
 
 		resourceMetrics := data.MetricDataToOtlp(pdatautil.MetricsToInternalMetrics(md))
 		for _, resourceMetric := range resourceMetrics {
+			if resourceMetric == nil {
+				continue
+			}
 			// TODO: add resource attributes as labels, probably in next PR
 			for _, instrumentationMetrics := range resourceMetric.InstrumentationLibraryMetrics {
+				if instrumentationMetrics == nil {
+					continue
+				}
 				// TODO: decide if instrumentation library information should be exported as labels
 				for _, metric := range instrumentationMetrics.Metrics {
+					if metric == nil {
+						continue
+					}
 					// check for valid type and temporality combination
 					if ok := validateMetrics(metric.MetricDescriptor); !ok {
 						dropped++