Hi Mahesh,
Find out how the ContextBindings checks whether a request is coming for a
webapp. ContextBindings must be keeping some kind of flag. Then, find out
why that flag is not getting set for the very first request.
On Tue, Mar 10, 2015 at 7:18 PM, Mahesh Chinthaka <mahe...@wso2.com> wrote:
> Hi all,
> I think I found the root cause here.
>
> Actually there are two scenarios,
> scenario1 - webapp is loaded
> scenario2 - webapp is unloaded
>
> (Reason for getting this reproduced when the tenant is unloaded; is that
> when tenant is unloaded , the webapp gets unloaded too.But actual effect is
> unloading the webapp)
>
> Simply the cause is InitialContext not being set properly.
>
> In *ApplicationAwareCarbonJavaURLContextFactory* class, before we get the
> initial context we check whether the request coming from a webapp.
> If yes we return the *CarbonServerSelectorContext* else we just send the
> *NamingContext.*
> We have used following code to check whether the request is coming from a
> webapp or not, As I can see its checking with class loader.
>
> *if (ContextBindings.isClassLoaderBound())*
>
> when the webapp is unloaded above code returns false.
>
>
> values of contexts are as follows,
> *CarbonServerSelectorContext* -
> org.wso2.carbon.appfactory.ext.jndi.Context.CarbonServerSelectorContext
> *NamingContext* - org.apache.naming.NamingContext
>
> Our datasource is available only in *CarbonServerSelectorContext. *So
> whenever the *NamingContext* is returned , datasource appears to be null.
> So application is unable to show data. Thats pretty much the case.
>
> I have one question.
>
> *Is there any other way to check the request whether its coming from a
> webapp or not ?* If yes we can easily solve this issue.
>
>
>
>
>
> On Mon, Mar 9, 2015 at 12:12 PM, Mahesh Chinthaka <mahe...@wso2.com>
> wrote:
>
>> Hi Harsha,
>>
>> Frankly I dont have much idea why its happenning like that, and this
>> happens in that way after the fix for APPFAC -2195 [1]
>>
>> This is the exact code segment im talking about.
>>
>>
>> try {
>> context.startTenantFlow();
>>
>>
>> context.getThreadLocalCarbonContext().setTenantId(tenantManager.getTenantId(tenantDomain));
>> context.getThreadLocalCarbonContext().setTenantDomain(tenantDomain);
>> context.getThreadLocalCarbonContext().setUsername(userName);
>> accessUrl =
>> server.osgiService('org.wso2.carbon.appfactory.application.mgt.service.ApplicationManagementService')
>>
>> .getApplicationUrl(applicationKey, version, stage, tenantDomain);
>> status =
>> server.osgiService('org.wso2.carbon.appfactory.application.mgt.service.ApplicationManagementService')
>>
>> .getApplicationStatus(applicationKey, version, stage, tenantDomain);
>>
>> if(!status){
>> //fix for APPFAC-2195
>> //load the tenant
>> if(accessUrl){
>> var xhr = new XMLHttpRequest();
>> xhr.open("GET",accessUrl + "",false);
>> xhr.send("");
>> }
>>
>> status =
>> server.osgiService('org.wso2.carbon.appfactory.application.mgt.service.ApplicationManagementService')
>>
>> .getApplicationStatus(applicationKey, version, stage, tenantDomain);
>> }
>> if(status){
>> url=accessUrl;
>> }
>>
>> } finally {
>> context.endTenantFlow();
>> }
>>
>>
>>
>> [1] - https://wso2.org/jira/browse/APPFAC-2195
>>
>>
>> On Mon, Mar 9, 2015 at 11:59 AM, Harsha Thirimanna <hars...@wso2.com>
>> wrote:
>>
>>> Hi Mahesh,
>>>
>>> One question,
>>> What is the meaning of deploy status false and why it try
>>> to retrieve URl if it is not deploy ? Is that the behavior we are doing or
>>> are there any logic behind the seen ?
>>>
>>> If it is required then, I think you suggestion may be good. But how it
>>> load the tenant ?
>>>
>>>
>>> *Harsha Thirimanna*
>>> Senior Software Engineer; WSO2, Inc.; http://wso2.com
>>> * <http://www.apache.org/>*
>>> *email: **hars...@wso2.com* <az...@wso2.com>* cell: +94 71 5186770 ,
>>> +94 *
>>> *774617784twitter: **http://twitter.com/
>>> <http://twitter.com/afkham_azeez>*
>>> *harshathirimannlinked-in: **http:
>>> <http://lk.linkedin.com/in/afkhamazeez>**//www.linkedin.com/pub/harsha-thirimanna/10/ab8/122
>>> <http://www.linkedin.com/pub/harsha-thirimanna/10/ab8/122>*
>>>
>>> *Lean . Enterprise . Middleware*
>>>
>>>
>>> On Sun, Mar 8, 2015 at 11:21 PM, Mahesh Chinthaka <mahe...@wso2.com>
>>> wrote:
>>>
>>>> Hi all,
>>>>
>>>> Found that when the "Launch" button is clicked in Repos n builds page
>>>> it checks for the application deployed status,
>>>> If deployed status is false, then it loads the tenant again and get
>>>> access url for the app.
>>>> If deployed status is true, then it just access the app url without
>>>> loading the tenant.
>>>>
>>>> When I tried with removing the if statement and tried loading the
>>>> tenant each time fixed the issue.
>>>>
>>>> What are the bad/good effects of solving this issue with above
>>>> mentioned change ?
>>>>
>>>> On Sat, Mar 7, 2015 at 10:08 AM, Harsha Thirimanna <hars...@wso2.com>
>>>> wrote:
>>>>
>>>>> Hi Mahesh,
>>>>>
>>>>> You can set tenant unloading time for few minutes. And check that.
>>>>>
>>>>>
>>>>> *Harsha Thirimanna*
>>>>> Senior Software Engineer; WSO2, Inc.; http://wso2.com
>>>>> * <http://www.apache.org/>*
>>>>> *email: **hars...@wso2.com* <az...@wso2.com>* cell: +94 71 5186770 ,
>>>>> +94 *
>>>>> *774617784twitter: **http://twitter.com/
>>>>> <http://twitter.com/afkham_azeez>*
>>>>> *harshathirimannlinked-in: **http:
>>>>> <http://lk.linkedin.com/in/afkhamazeez>**//www.linkedin.com/pub/harsha-thirimanna/10/ab8/122
>>>>> <http://www.linkedin.com/pub/harsha-thirimanna/10/ab8/122>*
>>>>>
>>>>> *Lean . Enterprise . Middleware*
>>>>>
>>>>>
>>>>> On Fri, Mar 6, 2015 at 8:35 PM, Mahesh Chinthaka <mahe...@wso2.com>
>>>>> wrote:
>>>>>
>>>>>> Hi Danushka,
>>>>>>
>>>>>> Tenant domain and tenant Id are set properly at everytime. other
>>>>>> parameters are null. ok, lets see on Monday.
>>>>>> @Harsha,
>>>>>> Could be, have any idea of overcoming that ??
>>>>>>
>>>>>> On Fri, Mar 6, 2015 at 10:08 PM, Danushka Fernando <
>>>>>> danush...@wso2.com> wrote:
>>>>>>
>>>>>>> May be this is due to some missing patch. Lets discuss this monday.
>>>>>>>
>>>>>>> Thanks & Regards
>>>>>>> Danushka Fernando
>>>>>>> Software Engineer
>>>>>>> WSO2 inc. http://wso2.com/
>>>>>>> Mobile : +94716332729
>>>>>>>
>>>>>>> On Fri, Mar 6, 2015 at 9:43 PM, Harsha Thirimanna <hars...@wso2.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Hi Mahesh,
>>>>>>>> Is this may be tenant loading delay for the first time ?
>>>>>>>> On Mar 6, 2015 6:51 AM, "Danushka Fernando" <danush...@wso2.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> When you say "CarbonContext data are empty" are they null or are
>>>>>>>>> they not tenant data?
>>>>>>>>> What's the value of tenant domain and tenant id of carbon context?
>>>>>>>>>
>>>>>>>>> Thanks & Regards
>>>>>>>>> Danushka Fernando
>>>>>>>>> Software Engineer
>>>>>>>>> WSO2 inc. http://wso2.com/
>>>>>>>>> Mobile : +94716332729
>>>>>>>>>
>>>>>>>>> On Fri, Mar 6, 2015 at 8:10 PM, Mahesh Chinthaka <mahe...@wso2.com
>>>>>>>>> > wrote:
>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Hi All,
>>>>>>>>>>
>>>>>>>>>> Im working on [1]. This is regarding appfactory sample "Customer
>>>>>>>>>> Portal".
>>>>>>>>>>
>>>>>>>>>> We have a webapp that uses a datasource/database.
>>>>>>>>>> When we deploy it and access for the first time , context data
>>>>>>>>>> doesn't get loaded. When refreshed the browser or try to access the
>>>>>>>>>> app for
>>>>>>>>>> the second time (click again in 'open' url) it works fine.
>>>>>>>>>>
>>>>>>>>>> When I analyzed and debugged the code I found that CarbonContext
>>>>>>>>>> data are empty.
>>>>>>>>>> But in ApplicationAwareDataSourceRepository.java class and
>>>>>>>>>> in CarbonContextCreatorValve.java class those context details are
>>>>>>>>>> being set
>>>>>>>>>> properly.
>>>>>>>>>>
>>>>>>>>>> When our sample webapp tries to read those values it returns null
>>>>>>>>>> for the first time.
>>>>>>>>>>
>>>>>>>>>> What can be the reason for this ?
>>>>>>>>>>
>>>>>>>>>> [1] - https://wso2.org/jira/browse/APPFAC-2998
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> *Mahesh Chinthaka Vidanagama* | Software Engineer
>>>>>>>>>> WSO2, Inc | lean. enterprise. middleware.
>>>>>>>>>> #20, Palm Grove, Colombo 03, Sri Lanka
>>>>>>>>>> Mobile: +94 71 63 63 083 | Work: +94 112 145 345
>>>>>>>>>> Email: mahe...@wso2.com | Web: www.wso2.com
>>>>>>>>>>
>>>>>>>>>> _______________________________________________
>>>>>>>>>> Dev mailing list
>>>>>>>>>> Dev@wso2.org
>>>>>>>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> Dev mailing list
>>>>>>>>> Dev@wso2.org
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>>>>>>>>>
>>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> *Mahesh Chinthaka Vidanagama* | Software Engineer
>>>>>> WSO2, Inc | lean. enterprise. middleware.
>>>>>> #20, Palm Grove, Colombo 03, Sri Lanka
>>>>>> Mobile: +94 71 63 63 083 | Work: +94 112 145 345
>>>>>> Email: mahe...@wso2.com | Web: www.wso2.com
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> *Mahesh Chinthaka Vidanagama* | Software Engineer
>>>> WSO2, Inc | lean. enterprise. middleware.
>>>> #20, Palm Grove, Colombo 03, Sri Lanka
>>>> Mobile: +94 71 63 63 083 | Work: +94 112 145 345
>>>> Email: mahe...@wso2.com | Web: www.wso2.com
>>>>
>>>
>>>
>>
>>
>> --
>> *Mahesh Chinthaka Vidanagama* | Software Engineer
>> WSO2, Inc | lean. enterprise. middleware.
>> #20, Palm Grove, Colombo 03, Sri Lanka
>> Mobile: +94 71 63 63 083 | Work: +94 112 145 345
>> Email: mahe...@wso2.com | Web: www.wso2.com
>>
>
>
>
> --
> *Mahesh Chinthaka Vidanagama* | Software Engineer
> WSO2, Inc | lean. enterprise. middleware.
> #20, Palm Grove, Colombo 03, Sri Lanka
> Mobile: +94 71 63 63 083 | Work: +94 112 145 345
> Email: mahe...@wso2.com | Web: www.wso2.com
>
> _______________________________________________
> Dev mailing list
> Dev@wso2.org
> http://wso2.org/cgi-bin/mailman/listinfo/dev
>
>
--
*Kasun Gajasinghe*Senior Software Engineer, WSO2 Inc.
email: kasung AT spamfree wso2.com
linked-in: http://lk.linkedin.com/in/gajasinghe
blog: http://kasunbg.org
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