Peter Gyori created NIFI-12160:
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Summary: Check if all the necessary nars have been fully unpacked
before starting a connector
Key: NIFI-12160
URL: https://issues.apache.org/jira/browse/NIFI-12160
Project: Apache NiFi
Issue Type: Bug
Components: Extensions
Reporter: Peter Gyori
Assignee: Peter Gyori
Each deployed Stateless NiFi-based Kafka Connect connector has a directory
under DEFAULT_WORKING_DIRECTORY (/tmp/nifi-stateless-working) where the
necessary NARs are unpacked.
If the job doing the unpacking is interrupted for some reason, the connector's
directory will exist without having all the necessary files in it. In a case
like this when the connector is started it detects the directory so it does not
unpack the NARs again however the missing files cause various errors.
Currently the solution is manual: the connector's directory needs to be deleted
from /tmp/nifi-stateless-working and the connector needs to be redeployed.
A fix should be created for this issue so that the system detects that
unpacking hadn't been finished and does the unpacking properly before
deployment.
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