The main point is: if I have my very own Object I put into the Session myself. 
And for whatever reason I create an InjectionTarget and apply CDI Injection 
into it. Then this _must not leak_. The specs (CDI & Servlet) are very clear 
about that.


LieGrue,
strub


On Monday, 5 September 2016, 8:18, Thony Lundin <thony.lun...@tieto.com> wrote:
>Hi,
>
>
>thankful for every effort, we have solved it temporarily by having a 
>sessionscope bean that keeps tracks of the viewscope beans for each user 
>session. When session expires the sessionscope bean is properly called and we 
>cleanup the references ourselves but this is a "dirty" fix since viewscopes 
>lives now as long as session (which it should not do in many cases) and in 
>fact we should not have to care about cleaning references ourselves :)
>
>
>Red Hat did some fix in EAP 6.1.1 (I believe) related to leaking viewscopes 
>but for some reason I think that fix was done on mojarra side, nothing was 
>changed in JBossWeb (as far as I know).
>
>
>Regards,
>Thony 
>
>
>On 5 September 2016 at 08:02, Mark Struberg <strub...@yahoo.de> wrote:
>
>Having glanced over the jboss code, I suspect they will have mem leaks with 
>Mojarra as well. Maybe that helps. I know a few people from JBoss, will try to 
>ping one of them.
>>
>>LieGrue,
>>Strub
>>
>>> Am 01.09.2016 um 15:24 schrieb Leonardo Uribe <lu4...@gmail.com>:
>>>
>>> Hi
>>>
>>> I'm cc to MyFaces users list, because these issues should be discussed
>>> there.
>>>
>>> It is a known issue, in resume it is JBossWeb fault, because that map
>>> should be a WeakHashMap but synchronized, to ensure the instances are
>>> discarded when the beans are serialised into session (in that case destroy
>>> will not be called). The fix should be done in WebInjectionContainer, but
>>> set org.apache.myfaces.SERIALIZE_ STATE_IN_SESSION
>>> <https://myfaces.apache.org/ core20/myfaces-impl/webconfig. 
>>> html#org_apache_myfaces_ SERIALIZE_STATE_IN_SESSION>
>>> to
>>> false could help to mitigate a bit the leak.
>>>
>>> There is an issue related to @PreDestroy and view scope in
>>>
>>> https://issues.apache.org/ jira/browse/MYFACES-4047
>>>
>>> but I guess it won't help in your case, because the leak is caused by the
>>> map itself.
>>>
>>> regards,
>>>
>>> Leonardo Uribe
>>>
>>>
>>> 2016-09-01 3:34 GMT-05:00 Thony Lundin <thony.lun...@tieto.com>:
>>>
>>>> Hi Leonardo,
>>>>
>>>> writing you since you are MyFaces core project lead and want to ask about
>>>> a possible issue in MyFaces 2.2.10 regarding not released viewscope beans.
>>>>
>>>> I have seen on Internet that there was multiple such issues reported for
>>>> mojarra&myfaces in the past and Red Hat did some fix in their EAP 6.1.1 or
>>>> so (in the mojarra module) to solve this issue.
>>>>
>>>> Problem for us is that we came from using tomcat and went on top of Red
>>>> Hat EAP with JBossWeb and wanted to keep MyFaces (since it provided us with
>>>> best performance and configuration options) but we are hit by this memory
>>>> leak that somehow MyFaces and JBossWeb do not interact properly when a
>>>> viewscope bean is getting invalidated. Problem is that when viewscope is
>>>> invalidated the reference to our controllers are still kept in JBossWeb
>>>> WebInjectionContainer and it is kept there forever, even if session 
>>>> expires?
>>>>
>>>> org.jboss.as.web.deployment. WebInjectionContainer @ 0xc45318d8 | 32 |
>>>> 649,769,928 | 73.07% |- org.jboss.as.web.deployment. 
>>>> ConcurrentReferenceHashMap
>>>> @ 0xc4532518 | 48 | 649,766,792 | 73.07% | '- org.jboss.as.web.deployment.
>>>> ConcurrentReferenceHashMap$ Segment[4] @ 0xc4532548| 32 | 649,766,744 |
>>>> 73.07% | |- org.jboss.as.web.deployment. ConcurrentReferenceHashMap$ 
>>>> Segment
>>>> @ 0xc4532568| 56 | 187,909,296 | 21.13%
>>>>
>>>> Red Hat will not do anything due to that they only support mojarra so I am
>>>> asking if this is something known on MyFaces project and if there is
>>>> something that could be done on MyFaces core side about it (just asking
>>>> since same problem for JBossWeb&mojarra was solved somehow on mojarra side)
>>>> or if you think this is a JBossWeb fault?
>>>>
>>>> Grateful for any information you can share on this issue.
>>>>
>>>> Best Regards,
>>>> Thony
>>>>
>>
>>
>
>
>

Reply via email to