Hi, On 2013-07-01, at 1:26 AM, TIC-Caristan-W wrote:
> Hello > > I've tried with 2 instances, each one in 2 different servers. If it was a bug > due to static variable variable could it be possible to access it only > through wotaskd? I am not sure what you are asking. > And I set JMeter to only request urls from 1st instance: > > http://server/cgi-bin/WebObjects/CarambolPRX.woa/1 > > instead of generic url > > http://server/cgi-bin/WebObjects/CarambolPRX.woa/1 > > > Seems that when first instance is overloaded, WO force to send requests on > 2nd url. Yes. > If so, it's problem due to load balancing, not application: If the 1st > instance requests CAS service to creates the ticket and 2nd tries to retrieve > it, isn't it a WO bug or CAS bug? What's your opinion? I am not sure how your CAS works. If adding more instances does not fix your problem (as you said below), then I think the CAS is the bottleneck there. If you ramp up the logins more slowly does it work? Chuck > Le 28/06/2013 19:30, Chuck Hill a écrit : >> If you don't have the source code then there is nothing you can do. >> >> Chuck >> >> >> On 2013-06-28, at 10:07 AM, TIC-Caristan-W wrote: >> >>> Hi Chuck >>> hmm, I'm not the developper. If it's a bug then I suppose that there is >>> nothing I could do ... >>> :( >>> >>> Le 28/06/2013 18:03, Chuck Hill a écrit : >>>> That looks like a concurrency bug to me. I don't know CAS nor what you >>>> are doing in your app, but check for any related static variables or >>>> variables in Application that might be accessed by multiple requests. >>>> >>>> Chuck >>>> >>>> >>>> On 2013-06-28, at 7:48 AM, TIC-Caristan-W wrote: >>>> >>>> >>>>> Hi all >>>>> >>>>> I'm doing load testing on WebObjects (5.3.3) web application using CAS >>>>> 3.4.3.1 using JMeter.I have a problem but I'm not sure if it's a CAS >>>>> configuration mistake or WebObjects error. >>>>> >>>>> I have a Webobject application url: >>>>> >>>>> http://server/cgi-bin/WebObjects/CarambolPRX.woa >>>>> >>>>> >>>>> This application has multiple instances >>>>> >>>>> http://server/cgi-bin/WebObjects/CarambolPRX.woa/1 >>>>> >>>>> http://server/cgi-bin/WebObjects/CarambolPRX.woa/2 >>>>> >>>>> ... >>>>> >>>>> http://server/cgi-bin/WebObjects/CarambolPRX.woa/n >>>>> >>>>> >>>>> Load testing works fine and login service is OK with a few hundred users >>>>> (aroung 700 users OK with 7 instances). But at 800 users/8 or any more >>>>> instances, i'm facing this CAS error (ServiceTicket does not match >>>>> supplied, and then followed by ServiceTicket does not exist as it has >>>>> been removed): >>>>> >>>>> 2013-06-27 18:25:27,888 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - Added ticket >>>>> [ST-49023-bwgchfenh9Z6zciIT2Pn-cas] to registry. 2013-06-27 18:25:27,888 >>>>> INFO [org.jasig.cas.CentralAuthenticationServiceImpl] - <Granted service >>>>> ticket [ST-49023-bwgchfenh9Z6zciIT2Pn-cas] for service [ >>>>> http://server/cgi-bin/WebObjects/CarambolPRX.woa/1/wa/casCallBack >>>>> ] for user [supercoc]> >>>>> >>>>> 2013-06-27 18:25:57,940 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - Attempting to >>>>> retrieve ticket [ST-49023-bwgchfenh9Z6zciIT2Pn-cas] 2013-06-27 >>>>> 18:25:57,940 DEBUG [org.jasig.cas.ticket.registry.DefaultTicketRegistry] >>>>> - Ticket [ST-49023-bwgchfenh9Z6zciIT2Pn-cas] found in registry. >>>>> >>>>> 2013-06-27 18:25:57,940 ERROR >>>>> [org.jasig.cas.CentralAuthenticationServiceImpl] - ServiceTicket >>>>> [ST-49023-bwgchfenh9Z6zciIT2Pn-cas] with service [ >>>>> http://server/cgi-bin/WebObjects/CarambolPRX.woa/1/wa/casCallBack does >>>>> not match supplied service >>>>> [http://server/cgi-bin/WebObjects/CarambolPRX.woa/15/wa/casCallBack >>>>> ] >>>>> >>>>> 2013-06-27 18:25:57,940 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - Removing ticket >>>>> [ST-49023-bwgchfenh9Z6zciIT2Pn-cas] from registry >>>>> >>>>> 2013-06-27 18:25:58,053 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - Attempting to >>>>> retrieve ticket [ST-49023-bwgchfenh9Z6zciIT2Pn-cas] >>>>> 2013-06-27 18:25:58,053 INFO >>>>> [org.jasig.cas.CentralAuthenticationServiceImpl] - ServiceTicket >>>>> [ST-49023-bwgchfenh9Z6zciIT2Pn-cas] does not exist. >>>>> >>>>> >>>>> I can raise the same error with lower users 300 and lower instance, but I >>>>> can solve the error adding more instances. >>>>> But but this solution of adding mode instances doesn't work when reaching >>>>> 800 users. >>>>> >>>>> Here are the logs with 300 users and 2 instances. >>>>> >>>>> CAS logs: >>>>> 2013-06-28 16:13:59,749 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - <Added ticket >>>>> [ST-50601-gees9zRw59MVDpGFXNGc-cas] to registry.> >>>>> 2013-06-28 16:13:59,749 INFO >>>>> [org.jasig.cas.CentralAuthenticationServiceImpl] - <Granted service >>>>> ticket [ST-50601-gees9zRw59MVDpGFXNGc-cas] for service [ >>>>> >>>>> http://server/cgi-bin/WebObjects/CarambolPRX.woa/10/wa/casCallBack >>>>> >>>>> ] for user [supercoc]> >>>>> 2013-06-28 16:14:29,860 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - <Attempting to >>>>> retrieve ticket [ST-50601-gees9zRw59MVDpGFXNGc-cas]> >>>>> 2013-06-28 16:14:29,860 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - <Ticket >>>>> [ST-50601-gees9zRw59MVDpGFXNGc-cas] found in registry.> >>>>> 2013-06-28 16:14:29,861 ERROR >>>>> [org.jasig.cas.CentralAuthenticationServiceImpl] - <ServiceTicket >>>>> [ST-50601-gees9zRw59MVDpGFXNGc-cas] with service [ >>>>> >>>>> http://server/cgi-bin/WebObjects/CarambolPRX.woa/10/wa/casCallBack does >>>>> not match supplied service >>>>> [http://server/cgi-bin/WebObjects/CarambolPRX.woa/1/wa/casCallBack >>>>> >>>>> ]> >>>>> 2013-06-28 16:14:29,861 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - <Removing ticket >>>>> [ST-50601-gees9zRw59MVDpGFXNGc-cas] from registry> >>>>> 2013-06-28 16:14:31,759 DEBUG >>>>> [org.jasig.cas.ticket.registry.DefaultTicketRegistry] - <Attempting to >>>>> retrieve ticket [ST-50601-gees9zRw59MVDpGFXNGc-cas]> >>>>> 2013-06-28 16:14:31,759 INFO >>>>> [org.jasig.cas.CentralAuthenticationServiceImpl] - <ServiceTicket >>>>> [ST-50601-gees9zRw59MVDpGFXNGc-cas] does not exist.> >>>>> >>>>> >>>>> Instance CarambolPRX-1 logs: >>>>> 78309 [WorkerThread0] DEBUG NSLog - url >>>>> /cgi-bin/WebObjects/CarambolPRX.woa/1/wa/casCallBack?ticket=ST-50601-gees9zRw59MVDpGFXNGc-cas >>>>> decomposed >>>>> /cgi-bin/WebObjects/CarambolPRX.woa/1/wa/casCallBack?ticket=ST-50601-gees9zRw59MVDpGFXNGc-cas >>>>> >>>>>>> le ticket 'ST-50601-gees9zRw59MVDpGFXNGc-cas' ne >>>>>>> correspond pas au service demand� >>>>>>> >>>>> >>>>> Instance CarambolPRX-10 logs: >>>>> >>>>> 47131 [WorkerThread13] DEBUG NSLog - url >>>>> /cgi-bin/WebObjects/CarambolPRX.woa/10/wa/casCallBack?ticket=ST-50601-gees9zRw59MVDpGFXNGc-cas >>>>> decomposed >>>>> /cgi-bin/WebObjects/CarambolPRX.woa/10/wa/casCallBack?ticket=ST-50601-gees9zRw59MVDpGFXNGc-cas >>>>> >>>>>>> le ticket 'ST-50601-gees9zRw59MVDpGFXNGc-cas' >>>>>>> est inconnu >>>>>>> >>>>> Apache Log: >>>>> >>>>> [28/Jun/2013:16:13:59 +0200] "GET >>>>> /cgi-bin/WebObjects/CarambolPRX.woa/10/wa/casCallBack?ticket=ST-50601-gees9zRw59MVDpGFXNGc-cas >>>>> HTTP/1.1" 200 2427 >>>>> >>>>> >>>>> >>>>> Any idea what I could try to get more than 800 users or why I have this >>>>> error? >>>>> >>>>> Thanks for help >>>>> >>>>> >>>>> >>>>> -- >>>>> >>>>> Cordialement, >>>>> _______________________________________________ >>>>> Do not post admin requests to the list. They will be ignored. >>>>> Webobjects-deploy mailing list ( >>>>> Webobjects-deploy@lists.apple.com >>>>> ) >>>>> Help/Unsubscribe/Update your Subscription: >>>>> >>>>> https://lists.apple.com/mailman/options/webobjects-deploy/chill%40global-village.net >>>>> >>>>> >>>>> This email sent to >>>>> ch...@global-village.net >>> >>> -- >>> >>> Cordialement, > -- Chuck Hill Executive Managing Partner, VP Development and Technical Services Practical WebObjects - for developers who want to increase their overall knowledge of WebObjects or who are trying to solve specific problems. http://www.global-village.net/gvc/practical_webobjects Global Village Consulting ranks 13th in 2012 in BIV's Top 100 Fastest Growing Companies in B.C! Global Village Consulting ranks 44th in 25th annual PROFIT 500 ranking of Canada’s Fastest-Growing Companies by PROFIT Magazine! _______________________________________________ Do not post admin requests to the list. They will be ignored. 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