Re: Connection errors

1. look at the complete error stack and see underlying cause of exception. Depending on the way your app is handling exceptions it may be tricky, and that's true for any programming language.
2. know what kind of connection pool you are using, its config settings and features
3. think a little bit

The issue may or may not be related to the database.

On Tue, Apr 5, 2016 at 8:16 PM, Sandra Becker <sbecker6925_at_gmail.com> wrote:

> EE 11.2.0.4
> ASM storage
> Linux
>
> Is it possible the following errors are caused by the ASM storage being
> 100% used? I did not see any unable to extend errors in the alert log. I
> also verified that the NFS mounts for archivelogs and database/listener
> logs had plenty of free space.
>
> Error: com.company.cfe.CfeException: Database connection
>
> > > unavailable or possibly JNDI lookup failed for name
>
> > > [java:CMP_RO_OracleDS].Unable to get managed connection for
>
> > > CMP_RO_OracleDS; - nested throwable:
>
> > > (javax.resource.ResourceException: Unable to get managed
>
> connection
> > > for CMP_RO_OracleDS
>
>
> The QA team has been having connection issues off and on for about a
> month. We're not sure when the ASM storage filled up since there are no
> errors in any of the alert logs for the three databases that use it. Last
> week our sys admin determined that one of the app servers was tearing down
> the connections. Could the error be related to that problem? No one
> really seems to understand this error, what caused it, how to fix it. My
> colleague has requested additional ASM storage and is confident that will
> resolve the connection issue.
>
> A recommendation on a website or book that would help me understand what
> it happening would be great, if such exists. Thank you.
>
> Sandy B.
>
>

-- 
Regards
Timur Akhmadeev

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