Carlos Manuel António Fernandes created NIFI-2381:
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Summary: Connection Pooling Service -Drop invalid connections and
create new ones
Key: NIFI-2381
URL: https://issues.apache.org/jira/browse/NIFI-2381
Project: Apache NiFi
Issue Type: Improvement
Components: Core Framework
Affects Versions: 0.7.0
Environment: all
Reporter: Carlos Manuel António Fernandes
The connections in Connection Pooling Service become invalid for several
reasons : session timeout, firewalls block idle connections, outages of backend
server, etc.
In the current niif releases this connections rest in the pool as good but
when the user use one of them is triggered an errror for the backend database.
Ex: org.netezza.error.NzSQLException: FATAL 1: Connection Terminated - session
timeout exceeded
With this improvement we pretend periodicaly to test all the connections , drop
the invalid ,create new ones and mantain all the pool healthy.
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