adriancole commented on a change in pull request #2552: Fixes logging and
metrics for collectors
URL: https://github.com/apache/incubator-zipkin/pull/2552#discussion_r280004375
##########
File path: zipkin-collector/core/src/main/java/zipkin2/collector/Collector.java
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@@ -110,34 +119,46 @@ public void accept(List<Span> spans, Callback<Void>
callback) {
}
try {
+ // adding a separate callback intentionally decouples collection from
storage
record(sampled, acceptSpansCallback(sampled));
callback.onSuccess(null);
- } catch (RuntimeException e) {
- callback.onError(errorStoringSpans(sampled, e));
- return;
+ } catch (RuntimeException | Error e) {
+ handleStorageError(spans, e, callback);
Review comment:
sorry it would be like instead of
"Cannot store spans ... due to Error installing ES template" (or whatever
the cause would be)
"Cannot get instance of span consumer ...
or
"Cannot create storage call to accept spans ...
or
"Cannot enqueue spans for storage...
I think classifying like this would add a dozen lines of main and 3 or 4
more test cases, but thinking right now, I'm not sure it would be terribly more
helpful.
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