Dear,

thank you for your quick reply!

It is the same application (not even re compiled) running at least 2 years with 
no problem on OS X 10.9 Server.

I think that rather has to do with MySQL installation on Yosemite Server. 
-----------------------
> 
> Message: 2
> Date: Fri, 16 Oct 2015 19:39:46 +0200
> From: Markus Ruggiero <[email protected]>
> To: Stavros Panidis <[email protected]>
> Cc: "[email protected]" <[email protected]>
> Subject: Re: Yosemite deployment problem with MySQL
> Message-ID: <[email protected]>
> Content-Type: text/plain; charset="utf-8"
> 
> Did you check your connection dictionary?

YES
> Did you include the jdbc driver into the class path?

YES
> Is the URL correct (jdbc:mysql://localhost/myDBName)

YES
> 
> Enable adaptor debugging. EOF will then output the used connection info - is 
> it using what you think it should?

? Sorry, I don’t know how
> 
> Where does the connection info come from: the EOModel or from some properties 
> or any other mechanism?

From EOModel if I understand well. Corresponding line in Main component is

NSArray accountsArray = EOUtilities.objectsForEntityNamed(ec, "Accounts”);

> 
> Just some random thoughts
> ---markus---
> 
>> On 16.10.2015, at 18:50, Stavros Panidis <[email protected]> wrote:
>> 
>> Dear list,
>> 
>> 
>> I get the following error when try to connect to my application.
>> 
>> Error:       java.lang.IllegalStateException: _obtainOpenChannel -- 
>> com.webobjects.eoaccess.EODatabaseContext 
>> com.webobjects.eoaccess.EODatabaseContext@3dd81ec9: failed to open database 
>> channel. Check your connection dictionary, and ensure your database is 
>> correctly configured. 
>> Reason:      _obtainOpenChannel -- com.webobjects.eoaccess.EODatabaseContext 
>> com.webobjects.eoaccess.EODatabaseContext@3dd81ec9: failed to open database 
>> channel. Check your connection dictionary, and ensure your database is 
>> correctly configured.
>> 
>> 
>> Deployment machine is Mac Mini running Yosemite Server.
>> 
>> MySQL version is 5.6.25
>> MySQL connector Java version is 5.1.31
>> 
>> MySQL is running and stopping locally by System settings.
>> 
>> MySQL is working locally with a third application (Navicat)
>> 
>> MySQL is working remotely via Terminal login.
>> 
>> Any idea what can be wrong?
>> 
>> Many thanks in advance
>> 
>> Stavros
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
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> ------------------------------
> 
> Message: 3
> Date: Fri, 16 Oct 2015 17:45:55 +0000
> From: Chuck Hill <[email protected]>
> To: Markus Ruggiero <[email protected]>,      Stavros Panidis
>       <[email protected]>
> Cc: "[email protected]" <[email protected]>
> Subject: Re: Yosemite deployment problem with MySQL
> Message-ID: <d24685ae.39c2a%[email protected]>
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Wonder's ERXJDBCConnectionAnalyzer should help here.  I though it was 
> automatically activated in the case of a connection failure, but maybe I am 
> imagining that.

Sorry, I don’t know how to use it! I think there is something in ‘Practical 
WebObjects’ isn’t it?
> 

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