rkhachatryan commented on code in PR #27337:
URL: https://github.com/apache/flink/pull/27337#discussion_r2619820749
##########
flink-metrics/flink-metrics-otel/src/main/java/org/apache/flink/traces/otel/OpenTelemetryTraceReporter.java:
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@@ -70,10 +70,14 @@ public void open(MetricConfig metricConfig) {
@Override
public void close() {
- spanProcessor.forceFlush();
- spanProcessor.close();
- spanExporter.flush();
- spanExporter.close();
+ if (spanProcessor != null) {
Review Comment:
According to the code, `spanProcessor` and `spanExporter` must be either
null or not null both.
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