CEP events

[Tali Yatzkar-Haham]

Hi Marco,

>From a first glance, it seems that the definitions are OK. Before we start 
testing it on our machine, are you sure you exported the updated 
definition to the engine (using the authoring tool) and later Stop and 
Start the engine (either by REST commands or by restarting tomcat)?

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>, Itai Peri/Haifa/IBM at IBMIL, 
"fiware-tech-he." <fiware-tech-help at lists.fi-ware.org>
Date:   08/09/2015 11:09 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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