[jira] [Resolved] (GEODE-1687) NPE during CqStatusListener method invocation.

["Anilkumar Gingade (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/GEODE-1687?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Anilkumar Gingade resolved GEODE-1687.
--------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.0.0-incubating

Changes checked in: 

Commit a4f93cdd634e02de13c169978e61851f810a8a32 in incubator-geode's branch refs/heads/develop from [~agingade]
[ https://git-wip-us.apache.org/repos/asf?p=incubator-geode.git;h=a4f93cd ]


> NPE during CqStatusListener method invocation.
> ----------------------------------------------
>
>                 Key: GEODE-1687
>                 URL: https://issues.apache.org/jira/browse/GEODE-1687
>             Project: Geode
>          Issue Type: Bug
>          Components: cq
>            Reporter: Anilkumar Gingade
>            Assignee: Anilkumar Gingade
>             Fix For: 2.0.0-incubating
>
>
> When a connection relating to CQ is established or dropped, CqStatusListner is invoked to indicate connection/subscription status. This allows application to handle if all the subscription connection is lost for CQs. 
> Looking at the code path for CqStatusListener there is a chance of NPE getting thrown in CqServiceImpl.invokeCqsConnected when CQ is executed using the Bridge loader interface (old way of client-server 
> connection)....
> When a pool or bridge-loader connection is made or dropped, the code gets all the CQs; checks if the CQ is registered using that connection/pool name and invokes the CqStatusListner...
> The code to check if CQ is using the corresponding pool: 
> Pool cqPool = cQuery.getCQProxy().getPool();
> If the CQ is getting executed using Bridge loader, the CqProxy for CQ is not set when its constructed; its set when it gets executed....During this time the call to cQuery.getCQProxy() could throw NPE.



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