janhoy commented on code in PR #1959: URL: https://github.com/apache/solr/pull/1959#discussion_r1337160003
########## solr/modules/opentelemetry/src/java/org/apache/solr/opentelemetry/OtelTracerConfigurator.java: ########## @@ -65,7 +65,9 @@ void prepareConfiguration(NamedList<?> args) { setDefaultIfNotConfigured("OTEL_EXPORTER_OTLP_PROTOCOL", "grpc"); setDefaultIfNotConfigured("OTEL_TRACES_SAMPLER", "parentbased_always_on"); setDefaultIfNotConfigured("OTEL_PROPAGATORS", "tracecontext,baggage"); - addOtelResourceAttributes(Map.of("host.name", System.getProperty("host"))); + if (System.getProperty("host") != null) { Review Comment: I was surprised too to learn that SOLR_HOST is not always set in our start script. And also learnt that `Map.of(k,v)` does null-check both for key and value. Those two facts together caused this. Although only likely a problem in dev environments, it's nice to fix. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: issues-unsubscr...@solr.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@solr.apache.org For additional commands, e-mail: issues-h...@solr.apache.org