Re: [Springframework-developer] Refreshing the ApplicationContext...

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Hi J=FCrgen,

i've been testing against the lastest M4 src and everything seems to be=20
fine.  So we have migrated to your OpenSessionInViewFilter.  As usual=20
guys, things just work properly... Well done!

Cheers,

Ross

j=FCrgen h=F6ller [werk3AT] wrote:
> FYI, we've migrated our AOP framework to CGLIB2 today, also shipping Hi=
bernate 2.1.1 now and building Spring against it. This will be the basis =
for 1.0 M4, to be released mid next week. So there shouldn't be any poten=
tial for Hibernate 2.1/CGLIB2 issues anymore!
>=20
> Finally, congratulations on your beta, of course!
>=20
> Juergen
>=20
>=20
> -----Original Message-----
> From: spr...@li...
> [mailto:spr...@li...]On Behalf
> Of Ross Mason
> Sent: Friday, December 19, 2003 9:23 AM
> To: spr...@li...
> Subject: Re: [Springframework-developer] Refreshing the
> ApplicationContext...
>=20
>=20
> Hi J=FCrgen,
>=20
> Just to let you know I didn't have time today to try out the=20
> OpenSessionInViewFilter, we've been busy doing a release of Confluence=20
> beta1.  I'll try it out on Monday now.
> I remember last week there were some postings about removing/changing=20
> the Spring Wiki, so you might be interested in checking out=20
> http://confluence.atlassian.com. And of course it's using Spring ;-)
>=20
> Have a good weekend,
>=20
> Ross
>=20
> j=FCrgen h=F6ller [werk3AT] wrote:
>=20
>=20
>>Ross,
>>
>>I've just re-tested Petclinic from our current CVS HEAD against a dropp=
ed-in Hibernate 2.1 final (plus cglib2, minus cglib-asm), with and withou=
t OpenSessionInViewFilter. Works nicely for me - no VerifyErrors. Could y=
ou please re-try and re-report if there are still issues?
>>
>>Note that the AOP framework is not migrated to CGLIB2 yet (it's in the =
works), but this shouldn't affect you at all if you just proxy via interf=
aces (the default). Simply remove cglib-asm from the class path, drop in =
hibernate2, cglib2, eh-cache - and you should be done.
>>
>>Juergen
>>
>>
>>-----Original Message-----
>>From: spr...@li...
>>[mailto:spr...@li...]On Behalf
>>Of Ross Mason
>>Sent: Tuesday, December 16, 2003 11:46 PM
>>To: spr...@li...
>>Subject: Re: [Springframework-developer] Refreshing the
>>ApplicationContext...
>>
>>
>>Hi j=FCrgen,
>>
>>Sounds interesting, anything without EJB is always a bonus in my book -=
=20
>>excuse the pun ;-)
>>
>>We've actually decided to wait for the M4 release before migrating.  Th=
e=20
>>problem is that we're using a hibernate 2.1 jar built from HEAD and I=20
>>was getting VerifyErrors errors when running with the latest from Sprin=
g=20
>>HEAD due to an incompatability with the two jars.
>>
>>If you would like me to test it once M4 is using hibernate 2.1 and=20
>>before you make the actual release I would be happy to.
>>
>>Cheers,
>>
>>Ross
>>
>>j=FCrgen h=F6ller [werk3AT] wrote:
>>
>>
>>
>>>It's "J2EE Development Without EJB", co-authored by Rod and me, the fo=
llow-up to Rod's "J2EE Design and Development". Editing deadline is mid J=
anuary, so you can guess that we're quite busy!
>>>
>>>Of course, the book uses Spring for all examples - but it is an archit=
ecture book, not a Spring tutorial. A dedicated Spring book will follow l=
ater next year :-)
>>>
>>>BTW, does the OpenSessionInViewFilter work for you? If there are any i=
ssues with it, please tell me before the M4 release...
>>>
>>>Finally, is there some documentation on the "external-ref" mechanism t=
hat you use for XWork/Spring integration? We will probably refer to that =
in Spring docs and the book, so I'd like to make sure that we get the syn=
tax right.
>>>
>>>Juergen
>>>
>>>
>>>-----Original Message-----
>>>From: spr...@li...
>>>[mailto:spr...@li...]On Behal=
f
>>>Of Ross Mason
>>>Sent: Tuesday, December 16, 2003 3:39 AM
>>>To: spr...@li...
>>>Subject: Re: [Springframework-developer] Refreshing the
>>>ApplicationContext...
>>>
>>>
>>>Ok mate, sounds like it's time for you to hit the sack.
>>>
>>>BTW What's the book? you can tell me in the morning ;-)
>>>
>>>Cheers,
>>>
>>>Ross
>>>
>>>j=FCrgen h=F6ller [werk3AT] wrote:
>>>
>>>
>>>
>>>
>>>>I could have thought of that if it wasn't already so late (3:20 in th=
e morning now). Yes, that's a known limitation: If you proxy an object, b=
oth the proxy and the target object will match the type. You need to reso=
rt to explicit references for such beans - as I said, this will even work=
 for specific references if you apply autowire-by-type in general.
>>>>
>>>>BTW, have I mentioned that writing a book is *damn hard work*? ;-)
>>>>
>>>>Juergen
>>>>
>>>>
>>>>________________________________
>>>>
>>>>Von: spr...@li... im Auftrag=
 von Ross Mason
>>>>Gesendet: Di 16.12.2003 02:23
>>>>An: spr...@li...
>>>>Betreff: Re: [Springframework-developer] Refreshing the ApplicationCo=
ntext...
>>>>
>>>>
>>>>
>>>>Hi j=FCrgen,
>>>>
>>>>When I run getBeansOfType() on our config (turning off autowireByType=
) I
>>>>do get two beans returned:
>>>>- I get the emialTemplateManager as expected (this is a proxy
>>>>org.springframework.transaction.interceptor.TransactionProxyFactoryBe=
an).
>>>>- I also get back our emailTemplateManagerTarget which is our proxied
>>>>object.
>>>>
>>>>This suggests you can't use autowireByType when using
>>>>TransactionProxyFactoryBean or any other ProxyFactoryBean. Is this
>>>>intended behaviour?
>>>>
>>>>Cheers,
>>>>
>>>>Ross
>>>>
>>>>
>>>>j=FCrgen h=F6ller [werk3AT] wrote:
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>>Ross,
>>>>>
>>>>>If you build a single context from multiple files, autowiring will a=
utomatically scan all the bean definitions in those files. In your case, =
I assume that you do have multiple definitions of type EmailTemplateManag=
er, possibly in two different context files. You could check that program=
matically by examining the result of ApplicationContext.getBeansOfType(Em=
ailTemplateManager.class, true, true).
>>>>>
>>>>>In any case, even if you apply autowiring in general, you can always=
 override a specific dependency, like an explicit bean reference from pro=
perty "emailTemplateManager" of bean "notifierCreatePage" to a specific b=
ean of type EmailTemplateManager:
>>>>>
>>>>><bean id=3D"notifierCreatePage" class=3D"..." autowire=3D"byType">
>>>>><property name=3D"emailTemplateManager"><ref bean=3D"myEmailTemplate=
Manager"/></property>
>>>>>...
>>>>></bean>
>>>>>
>>>>>Juergen
>>>>>
>>>>>
>>>>>________________________________
>>>>>
>>>>>Von: spr...@li... im Auftra=
g von Ross Mason
>>>>>Gesendet: Di 16.12.2003 01:00
>>>>>An: spr...@li...
>>>>>Betreff: Re: [Springframework-developer] Refreshing the ApplicationC=
ontext...
>>>>>
>>>>>
>>>>>
>>>>>Hi j=FCrgen,
>>>>>
>>>>>We were using refresh as we needed to defer the initialisation of th=
e
>>>>>String container the first time our app is run until the user has se=
tup
>>>>>their db settings, at which point we initialise the container.  Afte=
r
>>>>>that, if/when the server is restarted we use your ContextLoaderListe=
ner
>>>>>is used to initialise the container.
>>>>>
>>>>>I think I've just realised what the problem is.  We have 3
>>>>>applicationContexts and the bean causing the error is defined in a
>>>>>different context.  Is there a way to autowire over multiple context=
s?
>>>>>
>>>>>If this is the case, the exception for this scenario is a bit mislea=
ding
>>>>>as it tells me there is more than one satifiable dependency.
>>>>>
>>>>>The exception we get is -
>>>>>org.springframework.beans.FatalBeanException: Can't resolve referenc=
e to
>>>>>bean 'notifierCreatePage' while setting property 'listeners[0]' on b=
ean
>>>>>'producerCreatePage'; nested exception is:
>>>>>org.springframework.beans.factory.UnsatisfiedDependencyException: Be=
an
>>>>>with name 'notifierCreatePage' has an unsatisfied dependency express=
ed
>>>>>through property 'emailTemplateManager': set this property value or
>>>>>disable dependency checking for this bean; detail message =3D [There=
 are 2
>>>>>beans of type [interface
>>>>>com.atlassian.confluence.mail.template.EmailTemplateManager] for
>>>>>autowire by type. There should have been 1 to be able to autowire
>>>>>property 'emailTemplateManager' of bean 'notifierCreatePage'.]
>>>>>(This is very informative excetion BTW ;-))
>>>>>
>>>>>Cheers,
>>>>>
>>>>>Ross
>>>>>
>>>>>
>>>>>j=FCrgen h=F6ller [werk3AT] wrote:
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>>Hi Ross,
>>>>>>
>>>>>>"refresh" is now in ConfigurableApplicationContext, but you shouldn=
't need that for typical usages anyway. I guess what you're trying to do =
is custom initialization of the root WebApplicationContext, storing it in=
 a custom place via the setApplicationContext call. That should be fine: =
I suppose that the error you're getting has other origins. Autowiring has=
 been significantly reworked; could you check for which components you ge=
t more than one matching bean? The reason could be that you actually *hav=
e* multiple matching beans, which just weren't found by M2's autowire imp=
lementation, maybe due to being created by FactoryBeans. Could you quote =
relevant parts of your configuration?
>>>>>>
>>>>>>Juergen
>>>>>>
>>>>>>
>>>>>>________________________________
>>>>>>
>>>>>>Von: spr...@li... im Auftr=
ag von Ross Mason
>>>>>>Gesendet: Mo 15.12.2003 07:50
>>>>>>An: spr...@li...
>>>>>>Betreff: [Springframework-developer] Refreshing the ApplicationCont=
ext...
>>>>>>
>>>>>>
>>>>>>
>>>>>>Hi,
>>>>>>
>>>>>>In the latest source the ApplicationContext.refresh() method has be=
en
>>>>>>removed.  What is the recommended way of refreshing an
>>>>>>applicationContext now. I'm trying -
>>>>>>
>>>>>>     ContextLoader loader =3D new ContextLoader();
>>>>>>     setApplicationContext(
>>>>>>loader.initWebApplicationContext(servletContext) );
>>>>>>
>>>>>>But I am getting an error saying that there is more than one matchi=
ng
>>>>>>bean on some components when autoWiring by type.  Our code and cofi=
g
>>>>>>works fine with M2 release, but we're mored to the latest source to=
 make
>>>>>>use of the OpenSessionInViewFilter.
>>>>>>
>>>>>>Any ideas?
>>>>>>
>>>>>>
>>>>>>Cheers,
>>>>>>
>>>>>>Ross
>>>>>>
>>>>>>
>>>>>>
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>>>>>
>>>>>
>>>>>
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