So singleton beans will also got a lazy load after DataSource, right?

Thanks, Scott.

ps. Do you have time to look at my previous post about how to config jca 
connection pool max-active-time?

----- Original Message ----- 
From: "Scott Ferguson" <[EMAIL PROTECTED]>
To: "General Discussion for the Resin application server" 
<resin-interest@caucho.com>
Sent: Tuesday, April 22, 2008 10:35 PM
Subject: Re: [Resin-interest] <database> config should be initialized 
beforeany singleton beans


>
> On Apr 22, 2008, at 2:45 AM, wesley wrote:
>
>> Hi Scott,
>>
>> I'm upgrading snap080331 to snap080417. I found my hibernate
>> persistence unit not
>> working, with no jta-data-source configured.
>> I added 080417 src into my project and traced for a while and found
>> the reason.
>
> This is something I worked on yesterday.  The next snapshot should
> have the fix.
>
> The fix involves making the persistence.xml lookup of the dataSource
> lazy, so it only occurs using web-app start time, not at
> persistence.xml start.
>
> -- Scott
>
>>
>>
>> I put an breakpoint at com.caucho.naming.Jndi.bindImpl(...)  line:91
>> and recorded
>> the jndi resources registered at order below:
>>   "java:comp/env/jmx/MBeanServer"  ...
>>   "java:comp/env/jmx/GlobalMBeanServer"   ...
>>   "java:comp/UserTransaction"   ...
>>   "java:comp/TransactionManager"   ...
>>   "java:/TransactionManager"  ...
>>   "java:comp/ThreadPool"
>>   "java:comp/env/caucho/persistent-store"
>> and then my singleton beans were then initialized, then
>>   "java:comp/env/jdbc/stock"      // my <database> config in resin-
>> web.xml
>>   "java:comp/env/activemq"        // my <connection-factory> config
>> in resin-web.xml
>>
>> Some of singleton beans need to access database by inject a EMF, so
>> amber start to
>> load persistence unit. During parsing the persistence.xml, the xml
>> config will set the
>> "jta-data-source" property of the
>> com.caucho.amber.cfg.PersistenceUnitConfig object
>> by reflection. Before doing it, it will call JNDI.lookup to find the
>> DataSource with name
>> specified in persistence.xml, of cource nothing found! It was not
>> registered yet!
>>
>> I switched to snapshot080331 binary and still retained some src of
>> 080417 (src package:
>> com.caucho.amber, com.caucho.config, com.caucho.naming) then traced
>> it again.
>> This time I recored the the jndi resources registered at order below
>>   "java:comp/env/jmx/MBeanServer"  ...
>>   "java:comp/env/jmx/GlobalMBeanServer"   ...
>>   "java:comp/UserTransaction"   ...
>>   "java:comp/TransactionManager"   ...
>>   "java:/TransactionManager"  ...
>>   "java:comp/ThreadPool"
>>   "java:comp/env/caucho/persistent-store"
>>   "java:comp/env/jdbc/stock"      // my <database> config in resin-
>> web.xml
>>   "java:comp/env/activemq"        // my <connection-factory> config
>> in resin-web.xml
>> and then my singleton beans were then initialized.
>> This is the right sequence.
>>
>> Though I didnot do further test, I think problem were not belonged
>> to the three packages
>> I retained during the two snapshot version switch.
>>
>> Suggestions are appreciated, thanks.
>>
>> -Wesley
>>
>>
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>> resin-interest@caucho.com
>> http://maillist.caucho.com/mailman/listinfo/resin-interest
>
>
>
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