lib/instana/instrumentation/instrumented_request.rb in instana-1.207.0 vs lib/instana/instrumentation/instrumented_request.rb in instana-1.208.0

@@ -128,10 +128,11 @@
 
     def context_from_trace_parent
       return {} unless @env.has_key?('HTTP_TRACEPARENT')
       matches = @env['HTTP_TRACEPARENT'].match(W3_TRACE_PARENT_FORMAT)
       return {} unless matches
+      return {} if matches_is_invalid(matches)
 
       trace_id = ::Instana::Util.header_to_id(matches['trace'][16..-1]) # rubocop:disable Style/SlicingWithRange, Lint/RedundantCopDisableDirective
       span_id = ::Instana::Util.header_to_id(matches['parent'])
 
       {
@@ -139,9 +140,13 @@
         external_state: @env['HTTP_TRACESTATE'],
         trace_id: trace_id,
         span_id: span_id,
         from_w3: true
       }
+    end
+
+    def matches_is_invalid(matches)
+      matches['trace'].match(/\A0+\z/) || matches['parent'].match(/\A0+\z/)
     end
 
     def context_from_trace_state
       state = parse_trace_state