Mark Payne created NIFI-4702:
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Summary: Grok Record Reader applies regex to each line twice in
some situations
Key: NIFI-4702
URL: https://issues.apache.org/jira/browse/NIFI-4702
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Reporter: Mark Payne
Assignee: Mark Payne
When using the Grok Record Reader, it reads the next line from the stream to
check if it needs to be appended to the record, is the start of a stack trace,
etc. When this is done, if the next line matches the configured pattern, it is
stored as 'nextLine' but we don't store the Map that is obtained from calling
captures(). This means that the next iteration of nextRecord() must re-evaluate
the regexes against 'nextLine'. We should instead just keep the Map as a member
variable.
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