[GitHub] [incubator-zipkin-brave-cassandra] adriancole commented on a change in pull request #20: Fixes integration test setup and propagation bug

[GitBox <gi...@apache.org>]

adriancole commented on a change in pull request #20: Fixes integration test setup and propagation bug
URL: https://github.com/apache/incubator-zipkin-brave-cassandra/pull/20#discussion_r266290763
 
 

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 File path: cassandra/src/main/java/brave/cassandra/Tracing.java
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 @@ -96,9 +97,9 @@ protected final UUID newSession(
 
   /** This extracts the RPC span encoded in the custom payload, or starts a new trace */
   Span spanFromPayload(Tracer tracer, @Nullable Map<String, ByteBuffer> payload) {
-    ByteBuffer b3 = payload.get("b3");
+    ByteBuffer b3 = payload != null ? payload.get("b3") : null;
 
 Review comment:
   bug 1

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