[GitHub] [nifi] shawnweeks commented on a change in pull request #4052: NIFI-7139 Add record.error.message on failure of a record reader or w…

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shawnweeks commented on a change in pull request #4052: NIFI-7139 Add record.error.message on failure of a record reader or w…
URL: https://github.com/apache/nifi/pull/4052#discussion_r379141142
 
 

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 File path: nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/AbstractRecordProcessor.java
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 @@ -174,6 +174,7 @@ public void process(final InputStream in, final OutputStream out) throws IOExcep
             });
         } catch (final Exception e) {
             getLogger().error("Failed to process {}; will route to failure", new Object[] {flowFile, e});
+            session.putAttribute(flowFile,"record.error.message",e.getCause().getLocalizedMessage());
 
 Review comment:
   We're wrapping both exceptions directly above here so I think they're should always be a cause but it's possible the message might be null.

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