[jira] [Commented] (NIFI-1061) DBConnectionPool service unable to terminate

["Oleg Zhurakousky (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/NIFI-1061?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14980592#comment-14980592 ] 

Oleg Zhurakousky commented on NIFI-1061:
----------------------------------------

Randy

I'll have a look at it, but here is what I see now. . .
There is some ZooKeeper problem (that is where things start to go south) that leads to runtime exception that may be misshandled by the NiFi (see org.apache.nifi.dbcp.DriverShim.connect(..)). This one is what IMHO is the bug in NiFi. In other words the failures of the target system should not affect the lifecycle of the service (e.g., ability of being stopped/disabled etc.). Just wan to make sure that by fixing this bug you may still have a problem with your connection due to wherever is happening with ZooKeeper.

> DBConnectionPool service unable to terminate
> --------------------------------------------
>
>                 Key: NIFI-1061
>                 URL: https://issues.apache.org/jira/browse/NIFI-1061
>             Project: Apache NiFi
>          Issue Type: Bug
>          Components: Core Framework
>            Reporter: Randy Gelhausen
>             Fix For: 0.4.0
>
>         Attachments: Screen Shot 2015-10-23 at 7.17.31 PM.png, nifi-app.log.gz
>
>
> I had a defined flow with an enabled DBConnectionPool using the phoenix-client.jar driver. After stopping the NiFi process and restarting it, the connection pool is unable to reconnect. Attempting to disable the pool never completes the operation. See attached screenshot & nifi-app.log file.



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