CEP events

[Itai Peri]

Hi Marco,

My intention was for you to send me the commands you use to configure the 
server on your computer, like what definition file to read, and when you 
start and stop the server. Examples of commands which I'm talking about:
http://forge.fiware.org/plugins/mediawiki/wiki/fiware/index.php/Complex_Event_Processing_Open_RESTful_API_Specification#Managing_the_Definitions_Repository
http://forge.fiware.org/plugins/mediawiki/wiki/fiware/index.php/Complex_Event_Processing_Open_RESTful_API_Specification#Administrating_Instances

Regards, 

Itai Peri
Software Developer
Smart Decisions Group

E-mail: itaip at il.ibm.com        IBM Haifa Research Labs
Phone: 972-4-828-1353   Israel



From:   Marco Stenico <marco.stenico at openmove.com>
To:     Itai Peri/Haifa/IBM at IBMIL
Cc:     Tali Yatzkar-Haham/Haifa/IBM at IBMIL, "fiware-tech-he." 
<fiware-tech-help at lists.fi-ware.org>
Date:   08/09/2015 05:19 PM
Subject:        Re: CEP events



Hi,

I used a ready made fiware image. I do not know how it was built. I wonder 
if you know what I could check to verify it was ok.

Thanks,
Marco

On Tue, Sep 8, 2015 at 4:09 PM, Itai Peri <ITAIP at il.ibm.com> wrote:
Hi, 

What do you mean by "importing models"? 
Additionally, I would appreciate if you could send me all the commands 
that you use to configure the Proton server, so we can check that 
everything is done right. (not the POST requests that encapsulate the 
events, but the commands to the server itself, like restart etc.) 

Regards, 

Itai Peri 
Software Developer 
Smart Decisions Group 

E-mail: itaip at il.ibm.com        IBM Haifa Research Labs 
Phone: 972-4-828-1353        Israel 



From:        Marco Stenico <marco.stenico at openmove.com> 
To:        Itai Peri/Haifa/IBM at IBMIL 
Date:        08/09/2015 03:06 PM 
Subject:        Re: CEP events 



Hi, 

I configured Proton using the web interface. 

Anyway, I restarted tomcat and now it works for Test event. 
However, if I create a new event, it doesn't work for that event even 
after restarting. 

Are you able to create events using the web interface? Without importing 
models. 

Regards, 
Marco 

On Tue, Sep 8, 2015 at 1:45 PM, Itai Peri <ITAIP at il.ibm.com> wrote: 
Hi Marco, 
After consulting with Tali on the matter, we would like to ask you to 
clear tomcat's log files, start tomcat over again, do the procedure you 
did last time to try to get it working, and then send us the log files and 
also details about the REST commands you use to configure proton before 
you try to send your POST requests. 

Regards, 

Itai Peri 
Software Developer 
Smart Decisions Group 

E-mail: itaip at il.ibm.com        IBM Haifa Research Labs 
Phone: 972-4-828-1353        Israel 



From:        Marco Stenico <marco.stenico at openmove.com> 
To:        Itai Peri/Haifa/IBM at IBMIL 
Date:        08/09/2015 02:19 PM 
Subject:        Re: CEP events 



Hi Itai, 

I do not understand what you mean. What should the path be?  
Anyway I didn't edit that file, it was created by proton. 

thanks 
Marco 

On Tue, Sep 8, 2015 at 1:00 PM, Itai Peri <ITAIP at il.ibm.com> wrote: 
Hello Marco, 

I've re-created your scenario on my computer, with your DoSAttack.json 
definitions file, and it works fine for me. 
Looking at your Proton.properties file, it looks as if your problem is 
that the path is absolute (there is no drive or root directory at the 
beginning as it seems to me), instead of relative. 
Please check again that the routing to your definitions file is correct, 
and let me know. 
I will note that even if this is the problem, I'm not sure why the error 
you're getting is this specific one, but let's try to understand this one 
thing at a time. 

Regards, 

Itai Peri 
Software Developer 
Smart Decisions Group 

E-mail: itaip at il.ibm.com        IBM Haifa Research Labs 
Phone: 972-4-828-1353        Israel 



From:        Marco Stenico <marco.stenico at openmove.com> 
To:        Tali Yatzkar-Haham/Haifa/IBM at IBMIL 
Cc:        Pasquale Vitale <pvitale at eng.it>, Itai Peri/Haifa/IBM at IBMIL, 
"fiware-tech-he." <fiware-tech-help at lists.fi-ware.org> 
Date:        08/09/2015 11:08 AM 
Subject:        Re: CEP events 



Thanks for your answer. 

I modified DoSAttack project and duplicated TrafficReport just for 
testing. The original TrafficReport works, the duplicate Test doesn't. 


=== Proton.properties ==== 
#Mon Sep 07 14:14:56 CEST 2015
metadataFileName=/opt/repositories/tomcat10/DoSAttack.json
metadataFilePathType=absolute
outputPortNumber=3301
inputPortNumber=3001 

=== Logs === 
08-sep-2015 9:43:52 
com.ibm.hrl.proton.webapp.providers.EventJSONMessageReader readFrom
INFO: started event message body reader
08-sep-2015 9:43:52 
com.ibm.hrl.proton.webapp.providers.EventJSONMessageReader readFrom
INFO: name value: Test looking for: Name
08-sep-2015 9:43:52 
com.ibm.hrl.proton.webapp.providers.EventJSONMessageReader readFrom
GRAVE: Could not parse json event java.lang.NullPointerException, reason: 
null 

=== Export === 

{"epn":{"events":[{"name":"TrafficReport","attributes":[{"name":"volume","type":"Integer","dimension":0}]},{"name":"ExpectedCrash","attributes":[{"name":"Cost","type":"Double","dimension":0}]},{"name":"Test","createdDate":"Mon 
Sep 07 
2015","attributes":[{"name":"volume","type":"Integer","dimension":"0"}]},{"name":"TT","attributes":[{"name":"volume","type":"Integer","dimension":0}]}],"epas":[{"name":"IncreasingTraffic","epaType":"Sequence","context":"3MinAfterStartUp","inputEvents":[{"name":"TrafficReport","alias":"TR1","consumptionPolicy":"Consume","instanceSelectionPolicy":"First"},{"name":"TrafficReport","alias":"TR2","consumptionPolicy":"Consume","instanceSelectionPolicy":"First"},{"name":"TrafficReport","alias":"TR3","consumptionPolicy":"Consume",! 
"instanceSelectionPolicy":"First"}],"computedVariables":[],"assertion":"TR3.volume>1.50* 
TR2.volume AND TR2.volume>1.50 * 
TR1.volume","evaluationPolicy":"Immediate","cardinalityPolicy":"Single","internalSegmentation":[],"derivedEvents":[{"name":"ExpectedCrash","reportParticipants":false,"expressions":{"Cost":"10.0"}}],"derivedActions":[]}],"contexts":{"temporal":[{"name":"3MinAfterStartUp","type":"TemporalInterval","atStartup":true,"neverEnding":false,"initiators":[],"terminators":[{"terminatorType":"RelativeTime","terminationType":"Terminate","relativeTime":"180000"}]}],"segmentation":[],"composite":[]},"consumers":[{"name":"SysTemCrashConsumer","type":"File","properties":[{"name"! 
:"filename","value":"./sample/DoSAttack_PredictedCrash.txt"},{"name":"formatter","value":"json"},{"name":"delimiter","value":";"},{"name":"tagDataSeparator","value":"="},{"name":"SendingDelay","value":"1000"}],"events":[{"name":"ExpectedCrash"}],"actions":[]},{"name":"DoSAttackTRConsumer","type":"File","properties":[{"name":"filename","value":"./sample/DoSAttack_TrafficReport.txt"},{"name":"formatter","value":"json"},{"name":"delimiter","value":";"},{"name":"tagDataSeparator","value":"="},{"name":"SendingDelay","value! 
":"1000"}],"events":[{"name":"TrafficReport"}],"actions":[]}],"producers":[],"actions":[],"name":"DoSAttack"}} 


=== What I send in POST request === 

{"Name":"Test", "volume":"123"} 

Please note that {"Name":"TrafficReport", "volume":"123"} works 


On Mon, Sep 7, 2015 at 3:54 PM, Tali Yatzkar-Haham <TALI at il.ibm.com> 
wrote: 
Hi Marco, 

Usually it indeed happen when the structure of the event definition does 
not match the event you send. 
In order to analyse the issue could you please send us: 
1. The CEP definition file (exported from the Authoring tool) 
2. The tomcat log file (under <tomcat installation dir> / log) 
3. Proton.properties file (from the <tomcat installation 
dir>/webapps/ProtonOnWebServer/config/Proton.properties) 
4. The data you send in the POST command and the command header. 

I cc the fiware tech help in order to have the issue documented. 

Thanks,
Tali

Tali Yatzkar Haham 
Smart Decision Solutions
IBM Research - Haifa, Israel
tali at il.ibm.com 972-4-8296320




From:        Marco Stenico <marco.stenico at openmove.com> 
To:        Tali Yatzkar-Haham/Haifa/IBM at IBMIL 
Cc:        Pasquale Vitale <pvitale at eng.it> 
Date:        07/09/2015 03:51 PM 
Subject:        CEP events 




Hi, 

I am using CEP Proton in the contest of Finodex challenge. I am having 
some problems in sending events through the REST interface. 

The error I receive is 

Could not parse json event java.lang.NullPointerException, reason: null 

Event definition matches my POST request. The demo project works, but not 
for new events. I tested it with duplicates of TrafficReport without 
success. 


Thanks, 
Marco 




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