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Posted to java-dev@axis.apache.org by "Anjana Fernando (JIRA)" <ji...@apache.org> on 2011/05/19 22:50:47 UTC
[jira] [Issue Comment Edited] (AXIS2-5049) Axis2 Services /
ServiceGroups Not Updating Properly When doing Hot-Update with Transport
Session
[ https://issues.apache.org/jira/browse/AXIS2-5049?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13036442#comment-13036442 ]
Anjana Fernando edited comment on AXIS2-5049 at 5/19/11 8:49 PM:
-----------------------------------------------------------------
Hi,
I'm attaching a patch to fix the above mentioned issue.
This is done by making SessionContext an AxisObserver and adding it to AxisConfiguration. So when AxisConfiguration does a service / service group removal, SessionContext will know about it and remove it from the SessionContext - ServiceGroupContext / ServiceContext.
Also, the observer list has been turned into a set, this is because, the observer (SessionContext) has to be added always to AxisConfiguration when a request comes in, since we don't know if this is a new session or not, we anyway have to check for the existence, so the straightforward way to do is, only allow unique objects as observer by making it a Set, so multiple additions of the same object will not cause it to be added multiple times as observers.
I've run all Axis2 tests successfully with the patch.
Cheers,
Anjana.
was (Author: anjana):
Hi,
I'm attaching a patch to fix the above mentioned issue.
This is done by making SessionContext an AxisObserver and adding it to AxisConfiguration. So when AxisConfiguration does a service / service group removal, SessionContext will know about it and remote it from the SessionContext - ServiceGroupContext / ServiceContext.
Also, the observer list has been turned into a set, this is because, the observer (SessionContext) has to be added always to AxisConfiguration when a request comes in, since we don't know if this is a new session or not, we anyway have to check for the existence, so the straightforward way to do is, only allow unique objects as observer by making it a Set, so multiple additions of the same object will not cause it to be added multiple times as observers.
I've run all Axis2 tests successfully with the patch.
Cheers,
Anjana.
> Axis2 Services / ServiceGroups Not Updating Properly When doing Hot-Update with Transport Session
> -------------------------------------------------------------------------------------------------
>
> Key: AXIS2-5049
> URL: https://issues.apache.org/jira/browse/AXIS2-5049
> Project: Axis2
> Issue Type: Bug
> Components: kernel
> Affects Versions: 1.5.4
> Reporter: Anjana Fernando
> Fix For: nightly
>
> Attachments: AXIS2-5049-Patch.txt
>
>
> The scenario is explained in the following points,
> * AxisService in Transport Session Scope.
> * Incoming request.
> * Create ServiceContext, ServiceGroupContext from AxisService and AxisServiceGroup and store it in SessionContext.
> * SessionContext contains fixed ServiceContext and ServiceGroupContext throughout Transport Session lifetime.
> * Changes to AxisConfiguratio wont be known by SessionContext, removing of services to service group, removing service group.
> * Removing Service Group, removing Service from service group must be communicated to SessionContext, so it can remove the necessory items from itself, and refresh the services / service groups in the next request.
> Because of the above problem, when doing hotupdate, a service which is in transport session will not be updated to the newly deployed service. Also, same for service groups, if a service group was removed and added again, the service group that is in the ServiceGroupContext will be the old service group.
> Cheers,
> Anjana.
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