On Mon, May 28, 2012 at 5:28 PM, Amila Maha Arachchi <[email protected]>wrote:
> Hi Azeez, > > There is an Axis2ConfigurationContextObserver in the throttling agent. It > is adding the throttlingInfo (empty information) to the throttlingInfoCache > of the agent. Thats how this is working when the tenant is loaded. > > We have done the following to handle this. i.e. When the tenant's > throttling info is looked up in the cache, if it is not available we add an > empty throttling info (which is the same done in the observer also) to the > cache and return it. > > Cool. > Regards, > AmilaM. > > > On Mon, May 28, 2012 at 10:23 AM, Amila Maha Arachchi <[email protected]>wrote: > >> Hi Sanjeewa, >> >> First of all, lets investigate more on this. According to Azeez, when the >> tenant is loaded, this error does not occur. So, lets see how it happens >> and then decide what needs to be done. >> >> Regards, >> AmilaM. >> >> >> On Sun, May 27, 2012 at 11:42 AM, Sanjeewa Malalgoda >> <[email protected]>wrote: >> >>> Disable throttling is the best option. In a way usage and throttling was >>> designed we need to run 3 servers >>> BAM, Manager, Service(like AS,BPS,DSS). >>> >>> Managers - summarize usage data, run throttling rules update validation >>> info >>> Bam - Accumulate usage data and persist into database >>> Service - Usage agent - Collect data and publish to bam >>> Throttling agent - Controls user actions based on >>> validation info >>> >>> All these are inter related and usage and throttling agents run on >>> services cannot work independently. >>> So we have to remove those agents. I have created usage agent and >>> throttling agent features and removed them >>> from common feature some times back. So simply we can remove those 2 >>> features from p2 pom. >>> >>> Thanks. >>> >>> On Sun, May 27, 2012 at 11:02 AM, Afkham Azeez <[email protected]> wrote: >>> >>>> If the tenant is loaded by logging into the mgt console, everything >>>> works fine. So, something that is required by throttling is loaded when >>>> tenants are loaded. So we have two solutions. >>>> >>>> 1. Load that "something" even if the tenant is not loaded >>>> 2. Disable throttling by default >>>> >>>> >>>> On Sun, May 27, 2012 at 10:58 AM, Afkham Azeez <[email protected]> wrote: >>>> >>>>> That won't work. >>>>> >>>>> >>>>> On Sun, May 27, 2012 at 10:55 AM, Sanjeewa Malalgoda < >>>>> [email protected]> wrote: >>>>> >>>>>> In that case we have to run throttling manager, usage service, usage >>>>>> summery generator, Billing inside each and every product. >>>>>> Ideally we have to add all the features running on summerizer(Stratos >>>>>> manager) in to products. Correct me if understand this >>>>>> in a wrong way. >>>>>> >>>>>> Thanks. >>>>>> >>>>>> >>>>>> On Sun, May 27, 2012 at 10:41 AM, Afkham Azeez <[email protected]>wrote: >>>>>> >>>>>>> We will no longer depend on Manager & products should be able to run >>>>>>> with multitenancy without any other server running. >>>>>>> >>>>>>> >>>>>>> On Sun, May 27, 2012 at 10:25 AM, Sanjeewa Malalgoda < >>>>>>> [email protected]> wrote: >>>>>>> >>>>>>>> Hi, >>>>>>>> Throttling validation info calculated by manager and put them into >>>>>>>> registry and throttling agent running on services >>>>>>>> update its memory map from registry. Above scenario map is not >>>>>>>> updated properly with new tenant and there is a bug >>>>>>>> i will fix it. What amilaM said was correct(We must run manager >>>>>>>> to execute throttling rules). Tenant loading do not effect to >>>>>>>> throttling agent or manager. >>>>>>>> >>>>>>>> Thanks. >>>>>>>> >>>>>>>> On Sat, May 26, 2012 at 11:48 PM, Afkham Azeez <[email protected]>wrote: >>>>>>>> >>>>>>>>> There is no manager running. This is the merged AppServer with a >>>>>>>>> tenant. getTenantCacheInfo(1) returns null. However, if the first >>>>>>>>> request >>>>>>>>> is made after the tenant was loaded by logging in to the mgt console, >>>>>>>>> everything works fine. >>>>>>>>> >>>>>>>>> >>>>>>>>> On Sat, May 26, 2012 at 9:08 PM, Amila Maha Arachchi < >>>>>>>>> [email protected]> wrote: >>>>>>>>> >>>>>>>>>> Hi Azeez, >>>>>>>>>> >>>>>>>>>> On Sat, May 26, 2012 at 12:16 PM, Afkham Azeez <[email protected]>wrote: >>>>>>>>>> >>>>>>>>>>> This is happening because of a fundamental error in the Stratos >>>>>>>>>>> Throttling component. It is trying to access tenant information >>>>>>>>>>> before the >>>>>>>>>>> tenant is loaded. This is an L1. >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> Throttling component does not need tenant to be loaded to when >>>>>>>>>> taking throttling decisions. It takes decisions based on the results >>>>>>>>>> of >>>>>>>>>> previous throttling rules executions. I had a quick look at the code >>>>>>>>>> and I >>>>>>>>>> feel that validation info (which is used to take throttling >>>>>>>>>> decisions) may >>>>>>>>>> not be available at the time this error occurred, where the reason >>>>>>>>>> can be, >>>>>>>>>> throttling rules were not executed for this tenant (of course this >>>>>>>>>> is a >>>>>>>>>> bug). >>>>>>>>>> >>>>>>>>>> May be you created a tenant, deployed the service and restarted >>>>>>>>>> the server, but there was no chance for throttling rules to run >>>>>>>>>> during that >>>>>>>>>> time period (it runs periodically). Ohh... throttling rules are run >>>>>>>>>> only in >>>>>>>>>> Manager, so without manager running, there may be no throttling >>>>>>>>>> validation >>>>>>>>>> info. >>>>>>>>>> >>>>>>>>>> If above is the correct explanation, we have to gracefully handle >>>>>>>>>> it. >>>>>>>>>> >>>>>>>>>> I hope Manager was not running at this moment? >>>>>>>>>> >>>>>>>>>> Regards, >>>>>>>>>> AmilaM. >>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> You can easily reproduce this by hosting a service within your >>>>>>>>>>> tenant in AppServer, restarting the appserver, and trying to >>>>>>>>>>> directly >>>>>>>>>>> invoke the service without logging in first from the management >>>>>>>>>>> console. >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> On Sat, May 26, 2012 at 12:05 PM, Afkham Azeez >>>>>>>>>>> <[email protected]>wrote: >>>>>>>>>>> >>>>>>>>>>>> I have a BPEL process which invokes a service deployed on a >>>>>>>>>>>> tenant in AppServer. When that invocation hits the AppServer, the >>>>>>>>>>>> following >>>>>>>>>>>> exception occurs on the AppServer. >>>>>>>>>>>> >>>>>>>>>>>> [2012-05-26 12:02:16,475] @azeez.org [1] [Application >>>>>>>>>>>> Server]ERROR {org.apache.axis2.transport.http.AxisServlet} - >>>>>>>>>>>> java.lang.NullPointerException >>>>>>>>>>>> at >>>>>>>>>>>> org.wso2.carbon.throttling.agent.listeners.ServiceRequestListener.invoke( >>>>>>>>>>>> *ServiceRequestListener.java:64*) >>>>>>>>>>>> at org.apache.axis2.engine.Phase.invokeHandler(Phase.java:340) >>>>>>>>>>>> at org.apache.axis2.engine.Phase.invoke(Phase.java:313) >>>>>>>>>>>> at >>>>>>>>>>>> org.apache.axis2.engine.AxisEngine.invoke(AxisEngine.java:262) >>>>>>>>>>>> at >>>>>>>>>>>> org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:168) >>>>>>>>>>>> at >>>>>>>>>>>> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:172) >>>>>>>>>>>> at >>>>>>>>>>>> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:146) >>>>>>>>>>>> at >>>>>>>>>>>> org.wso2.carbon.core.transports.CarbonServlet.doPost(CarbonServlet.java:205) >>>>>>>>>>>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:641) >>>>>>>>>>>> at >>>>>>>>>>>> javax.servlet.http.HttpServlet.service(HttpServlet.java:722) >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>>> -- >>>>>>>>>>>> *Afkham Azeez* >>>>>>>>>>>> Director of Architecture; WSO2, Inc.; http://wso2.com >>>>>>>>>>>> Member; Apache Software Foundation; http://www.apache.org/ >>>>>>>>>>>> * <http://www.apache.org/>** >>>>>>>>>>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919 >>>>>>>>>>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>>>>>>>>>>> twitter: >>>>>>>>>>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>>>>>>>>>>> * >>>>>>>>>>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>>>>>>>>>>> * >>>>>>>>>>>> * >>>>>>>>>>>> *Lean . Enterprise . Middleware* >>>>>>>>>>>> >>>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> -- >>>>>>>>>>> *Afkham Azeez* >>>>>>>>>>> Director of Architecture; WSO2, Inc.; http://wso2.com >>>>>>>>>>> Member; Apache Software Foundation; http://www.apache.org/ >>>>>>>>>>> * <http://www.apache.org/>** >>>>>>>>>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919 >>>>>>>>>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>>>>>>>>>> twitter: >>>>>>>>>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>>>>>>>>>> * >>>>>>>>>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>>>>>>>>>> * >>>>>>>>>>> * >>>>>>>>>>> *Lean . Enterprise . Middleware* >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>>> _______________________________________________ >>>>>>>>>>> Dev mailing list >>>>>>>>>>> [email protected] >>>>>>>>>>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>>>>>>>>>> >>>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> -- >>>>>>>>>> *Amila Maharachchi* >>>>>>>>>> Technical Lead >>>>>>>>>> Member, Management Committee - Cloud & Platform TG >>>>>>>>>> WSO2, Inc.; http://wso2.com >>>>>>>>>> >>>>>>>>>> Blog: http://maharachchi.blogspot.com >>>>>>>>>> Mobile: +94719371446 >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> *Afkham Azeez* >>>>>>>>> Director of Architecture; WSO2, Inc.; http://wso2.com >>>>>>>>> Member; Apache Software Foundation; http://www.apache.org/ >>>>>>>>> * <http://www.apache.org/>** >>>>>>>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919 >>>>>>>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>>>>>>>> twitter: >>>>>>>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>>>>>>>> * >>>>>>>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>>>>>>>> * >>>>>>>>> * >>>>>>>>> *Lean . Enterprise . Middleware* >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> *Sanjeewa Malalgoda* >>>>>>>> mobile : +94 713068779 >>>>>>>> <http://sanjeewamalalgoda.blogspot.com/>blog >>>>>>>> :http://sanjeewamalalgoda.blogspot.com/<http://sanjeewamalalgoda.blogspot.com/> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> *Afkham Azeez* >>>>>>> Director of Architecture; WSO2, Inc.; http://wso2.com >>>>>>> Member; Apache Software Foundation; http://www.apache.org/ >>>>>>> * <http://www.apache.org/>** >>>>>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919 >>>>>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>>>>>> twitter: >>>>>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>>>>>> * >>>>>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>>>>>> * >>>>>>> * >>>>>>> *Lean . Enterprise . Middleware* >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>>> -- >>>>>> *Sanjeewa Malalgoda* >>>>>> mobile : +94 713068779 >>>>>> <http://sanjeewamalalgoda.blogspot.com/>blog >>>>>> :http://sanjeewamalalgoda.blogspot.com/<http://sanjeewamalalgoda.blogspot.com/> >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> *Afkham Azeez* >>>>> Director of Architecture; WSO2, Inc.; http://wso2.com >>>>> Member; Apache Software Foundation; http://www.apache.org/ >>>>> * <http://www.apache.org/>** >>>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919 >>>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>>>> twitter: >>>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>>>> * >>>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>>>> * >>>>> * >>>>> *Lean . Enterprise . Middleware* >>>>> >>>>> >>>> >>>> >>>> -- >>>> *Afkham Azeez* >>>> Director of Architecture; WSO2, Inc.; http://wso2.com >>>> Member; Apache Software Foundation; http://www.apache.org/ >>>> * <http://www.apache.org/>** >>>> email: **[email protected]* <[email protected]>* cell: +94 77 3320919 >>>> blog: **http://blog.afkham.org* <http://blog.afkham.org>* >>>> twitter: >>>> **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> >>>> * >>>> linked-in: **http://lk.linkedin.com/in/afkhamazeez* >>>> * >>>> * >>>> *Lean . Enterprise . Middleware* >>>> >>>> >>> >>> >>> -- >>> *Sanjeewa Malalgoda* >>> mobile : +94 713068779 >>> <http://sanjeewamalalgoda.blogspot.com/>blog >>> :http://sanjeewamalalgoda.blogspot.com/<http://sanjeewamalalgoda.blogspot.com/> >>> >> >> >> >> -- >> *Amila Maharachchi* >> Technical Lead >> Member, Management Committee - Cloud & Platform TG >> WSO2, Inc.; http://wso2.com >> >> Blog: http://maharachchi.blogspot.com >> Mobile: +94719371446 >> >> >> > > > -- > *Amila Maharachchi* > Technical Lead > Member, Management Committee - Cloud & Platform TG > WSO2, Inc.; http://wso2.com > > Blog: http://maharachchi.blogspot.com > Mobile: +94719371446 > > > -- *Afkham Azeez* Director of Architecture; WSO2, Inc.; http://wso2.com Member; Apache Software Foundation; http://www.apache.org/ * <http://www.apache.org/>** email: **[email protected]* <[email protected]>* cell: +94 77 3320919 blog: **http://blog.afkham.org* <http://blog.afkham.org>* twitter: **http://twitter.com/afkham_azeez*<http://twitter.com/afkham_azeez> * linked-in: **http://lk.linkedin.com/in/afkhamazeez* * * *Lean . Enterprise . Middleware*
_______________________________________________ Dev mailing list [email protected] http://wso2.org/cgi-bin/mailman/listinfo/dev
