Re: Re: Re: Proper way to add a MySQL datasource to JOnAS ?

Frederic Dang Tran wrote:
> On Mar 16, 2011, at 11:26 AM, Benoit Pelletier wrote:
>
>   
>>> Hi:
>>>
>>> So far I've added a MySQL datasource to JOnAS (5.2.0M5) the old way:
>>> -by adding the JDBC driver jar file  (mysql-connector-java-5.1.11-bin.jar)  in $JONAS_BASE/lib/ext  -by activating the dbm service and adding the datasource in jonas.properties
>>>
>>> jonas.services   ...,dbm,...
>>> jonas.service.dbm.datasources   MySQL
>>>
>>> I understand that the proper way to do that in JOnAS is now:
>>> -to turn the driver jar file into an OSGi bundle (e.g. with Bnd) and put it in $JONAS_BASE/deploy
>>> -to add an xml datasource file in  $JONAS_BASE/deploy:
>>>
>>> mysql-ds.xml:
>>>
>>> <datasources xmlns="http://jonas.ow2.org/ns/datasource/1.0">
>>>    <datasource>
>>>        <datasource-configuration>
>>>            <name>foobar</name>
>>>            <url>jdbc:mysql://localhost:3306/foobar</url>
>>>            <classname>org.gjt.mm.mysql.Driver</classname>
>>>  ...
>>> </datasources>
>>>
>>> With this config, I get this exception when starting JOnAS:
>>>
>>> JOnASResourceService.__deployRar : Error when deploying the rar file: .../work/deployer/datasources/jonas/ds-foobar-8710787520291361920.rarError processing Rar: Class Name not found:org.gjt.mm.mysql.Driver: javax.resource.ResourceException: Class Name not found:org.gjt.mm.mysql.Driver
>>> org.ow2.jonas.resource.ResourceServiceException : Error processing Rar: Class Name not found:org.gjt.mm.mysql.Driver: javax.resource.ResourceException: Class Name not found:org.gjt.mm.mysql.Driver
>>> 	at org.ow2.jonas.resource.internal.JOnASResourceService.__createRA(JOnASResourceService.java:472)
>>>
>>> because the MySQL datasource is set up before the driver bundle is loaded (?)
>>>
>>> How to fix that ?&
>>>  
>>>       
>> you might create a deployment plan with 2 resources to ensure the loading sequence  : 1) the driver 2) the ds
>> The resources have to be located in a dedicated repository (url) defined in $JONAS_BASE/conf/initial-repository.xml
>>     
>
> Sure I can do that but it seems to me to be a bit  heavyweight: turning a datasource xml file into a maven artifact, redeploying it on a maven rep each time I tweak one of its settings...
>   
you can use a url rep (eg. a local file directory) and put th ds.xml in 
this directory rather than the deloy dir
> It would be nice if the user has some level of control on the order with which items in the $JONAS_BASE/deploy directory are deployed.  Maybe something similar to the way services are started on Linux (S01,S02...).
> For example, let's assume I have two unrelated JavaEE applications each with its own deployment plan  dp1.xml and dp2.xml.   These 2 applications requires MySQL configured with a deployment plan db.xml.
> I copy db.xml, dp1.xml, dp2.xml into $JONAS_BASE/deploy.  How can I make sure that db.xml is deployed first ?  
>   
put them in another deployment plan is the standard way with JOnAS
>
> Regards,
> F.
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-- 

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Benoit Pelletier
http://jonas.ow2.org
Bull, Architect of an Open World TM
http://www.bull.com