[cdi-dev] Clarify scopes and serialization

Tue Feb 3 05:24:22 EST 2015

point is while serialization itself is not specified you have no more
guarantee with Serializable. ATM you can serialize your bean
passivationId and keep your bean instance in memory (in a map). You
didnt serialize anything excepted a string!

So why forcing such a constraint if it is an implementation detail?
Serialization process is not explicit so then constraint doesnt
guarantee any portability

Romain Manni-Bucau
@rmannibucau
http://www.tomitribe.com
http://rmannibucau.wordpress.com
https://github.com/rmannibucau

2015-02-03 11:22 GMT+01:00 Werner Keil <werner.keil at gmail.com>:
> Guess Jozef pretty much hit the point, I don't care about the sticker or
> label you may put on your laptop or product, but a compatible behavior
> allowing users to deploy against as many available containers as possible
> with minimal or no changes at all;-)
>
> On Tue, Feb 3, 2015 at 11:17 AM, Jozef Hartinger <jharting at redhat.com>
> wrote:
>>
>> If we want applications to be portable across different implementations
>> then the spec should require the least common multiple - that is beans that
>> belong to passivating scopes being serializable. TomEE/OWB is free to have a
>> mode in which passivation requirements are not checked if the server runs in
>> non-passivating mode.
>>
>>
>> On 02/03/2015 11:03 AM, Romain Manni-Bucau wrote:
>>>
>>> servlet spec requirement is only for distributed systems AFAIK == not
>>> required in most of instances.
>>> tomee supports both and is aligned on tomcat for all tomee flavors and
>>> is serialization-less in openejb flavors
>>>
>>> That said this is not a certification question but a usage question
>>>
>>>
>>> Romain Manni-Bucau
>>> @rmannibucau
>>> http://www.tomitribe.com
>>> http://rmannibucau.wordpress.com
>>> https://github.com/rmannibucau
>>>
>>>
>>> 2015-02-03 10:59 GMT+01:00 Werner Keil <werner.keil at gmail.com>:
>>>>
>>>> What about TomEE?
>>>> After all it's Java EE 6 certified:
>>>>
>>>> http://www.oracle.com/technetwork/java/javaee/overview/compatibility-jsp-136984.html
>>>>
>>>> So as Mark mentioned briefly, there is a requirement by the Servlet
>>>> spec, so
>>>> I assume it is either always on or at least on by default (otherwise a
>>>> TomEE
>>>> "tweaked" like that would no longer be Java EE compliant;-)
>>>>
>>>> Tomcat itself was never certified.
>>>>
>>>> Werner
>>>>
>>>>
>>>> On Tue, Feb 3, 2015 at 9:39 AM, <cdi-dev-request at lists.jboss.org> wrote:
>>>>>
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>>>>> Today's Topics:
>>>>>
>>>>>     1. Re: Clarify scopes and serialization (Mark Struberg)
>>>>>     2. Re: Clarify scopes and serialization (Romain Manni-Bucau)
>>>>>     3. Re: Clarify scopes and serialization (Mark Struberg)
>>>>>     4. Re: Clarify scopes and serialization (Romain Manni-Bucau)
>>>>>     5. Re: Async events. We need ideas to improve CDI-499
>>>>>        (Jozef Hartinger)
>>>>>
>>>>>
>>>>> ----------------------------------------------------------------------
>>>>>
>>>>>
>>>>> Message: 4
>>>>> Date: Mon, 2 Feb 2015 16:50:44 +0100
>>>>> From: Romain Manni-Bucau <rmannibucau at gmail.com>
>>>>> Subject: Re: [cdi-dev] Clarify scopes and serialization
>>>>> To: Mark Struberg <struberg at yahoo.de>
>>>>> Cc: cdi-dev <cdi-dev at lists.jboss.org>
>>>>> Message-ID:
>>>>>
>>>>> <CACLE=7MUGeq_bgdx0W_hPT-15-9ae_XdD3kab0P3vE4YHftKRg at mail.gmail.com>
>>>>> Content-Type: text/plain; charset=UTF-8
>>>>>
>>>>>
>>>>> in a standard tomcat yes but not in most of embedded ones...and that's
>>>>> not the point anyway
>>>>>
>>>>>
>>>>> Romain Manni-Bucau
>>>>> @rmannibucau
>>>>> http://www.tomitribe.com
>>>>> http://rmannibucau.wordpress.com
>>>>> https://github.com/rmannibucau
>>>>>
>>>>>
>>>>> 2015-02-02 16:50 GMT+01:00 Mark Struberg <struberg at yahoo.de>:
>>>>>>
>>>>>> but you HAVE to manually switch it off. By _default_ the serialization
>>>>>> is on...
>>>>>>
>>>>>> LieGrue,
>>>>>> strub
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>> On Monday, 2 February 2015, 16:42, Romain Manni-Bucau
>>>>>>> <rmannibucau at gmail.com> wrote:
>>>>>>>>
>>>>>>>> @Mark: that's not true. 1) you can switch it off + I mainly spoke of
>>>>>>>
>>>>>>> embedded case where it is true in 80% of cases
>>>>>>>
>>>>>>>
>>>>>>> Romain Manni-Bucau
>>>>>>> @rmannibucau
>>>>>>> http://www.tomitribe.com
>>>>>>> http://rmannibucau.wordpress.com
>>>>>>> https://github.com/rmannibucau
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> 2015-02-02 16:38 GMT+01:00 Mark Struberg <struberg at yahoo.de>:
>>>>>>>>
>>>>>>>>   Romain, that's not true. Tomcat by default ALWAYS serializes the
>>>>>>>
>>>>>>> session at shutdown! Even if you don't have a cluster set up. This is
>>>>>>> also
>>>>>>> required by the Servlets spec...
>>>>>>>>
>>>>>>>>   LieGrue,
>>>>>>>>   strub
>>>>>>>>
>>>>>>>>
>>>>>>>>
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>