Sebastian Schlitte created NIFI-5369:
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Summary: ReplaceText not replacing all references to capture groups
Key: NIFI-5369
URL: https://issues.apache.org/jira/browse/NIFI-5369
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Affects Versions: 1.7.0
Reporter: Sebastian Schlitte
||Property||Value||
|Search
Value|(^.*\"type\"\:\"([0-9A-Za-z\-]*).*\})\,\"timestamp\"\:[\s]*([0-9]*).*\"\~event_uuid\"\:[\s]*\"([0-9A-Za-z\-\.]*).*$|
|Replacement
Value|{"index":\{"_index":"${'$2'}-${'$3':format('yyyy.MM.dd')}","_type":"${'$2'}","_id":"${'$4'}"}}
$1|
|Character Set|UTF-8|
|Maximum Buffer Size|10MB|
|Replacement Strategy|Regex Replacement|
|Evaluation Mode|Line-by-Line|
*Input data:*
{{{"type":"Windows","id":12345},"timestamp":1530539722000,"~event_uuid":"8b4cfd28-5ac6-4ea9-86fc-2c682b76bbc3"}}
*result in 1.5.0:*
{{{"index":\{"_index":"windows-2017.07.02","_type":"windows","_id":"8b4cfd28-5ac6-4ea9-86fc-2c682b76bbc3"}}}}
{{{"type":"Windows","id":12345}}}
*result in 1.7.0:*
{{{"index":\{"_index":"windows-","_type":"","_id":""}}}}
{{{"type":"Windows","id":12345}}}
In 1.7.0, replacement is not working as expected. Only one reference to capture
group 2 is repalce with the correct content. The other reference to the same
Group and the references to other groups are replaced with empty strings. The
replacement with group 1 in line 2, which does not use expression language, is
working ok.
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