Github user joewitt commented on a diff in the pull request:
https://github.com/apache/nifi/pull/285#discussion_r56418107
--- Diff:
nifi-api/src/main/java/org/apache/nifi/processor/AbstractProcessor.java ---
@@ -27,7 +30,12 @@ public final void onTrigger(final ProcessContext
context, final ProcessSessionFa
onTrigger(context, session);
session.commit();
} catch (final Throwable t) {
- getLogger().error("{} failed to process due to {}; rolling
back session", new Object[]{this, t});
+ StringWriter stacktraceWriter = new StringWriter();
--- End diff --
This logic needs to be in the logger and that is its intent. You will note
that the throwable is being passed into it. The stack traces are getting
logged when debug level is engaged for a given logger. This allows the user to
control whether they are generated or not. That said...it is clearly
counterintuitive and we need to improve.
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