Questions tagged [wso2-cep]
251 questions
0
votes
1 answer
Differences between commands of Cassandra CLI and Cassandra CQL
I am trying to run the following wso2cep sample.
https://docs.wso2.com/display/CEP400/Sample+0067+-+Publishing+Map+Events+via+Cassandra+Transport
But in the latest cassandra releases we cannot find the cassandra-cli. So we have to use cassandra CQL…
Minudika
- 851
- 6
- 23
0
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1 answer
Call a R script from WSO2 - Bridging the loose ends
I wish to call my R scripts from WSO2 DAS server.
I have written the following code in siddhi query
@Plan:name('MyRPlan')
@Import('MyRStream:1.0.0')
define stream Rin (emplyId int);
@Export('MyRout:1.0.0')
define stream Rout (emplyId int);
from…
Sourabh Jain
- 1
- 3
0
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1 answer
WSO2 CEP event lifecycle
Is there any document/article explaining the event lifecycle in WSO2 CEP?
I dont quite understand how the events are discarded from the event streams.
Thank you,
Hugo Calado
Hugo Calado
- 15
- 3
0
votes
1 answer
WSO2 CEP - Insert into multiple streams
In SiddhiQL how is it possible to insert into multiple streams with same condition?
When i have two correlated events (event1 and event2) and want to
insert event1 in streamA;
insert event2 in streamB;
insert abstractEvent in streamC.
Do i have…
Hugo Calado
- 15
- 3
0
votes
1 answer
Is there a playground tool for SiddhiQL
What is the easiest method to learn SiddhiQL. Is there any tool such as Esper EPL Online for Siddhi ? Or what is the most easy way for a beginner ?
Thanks
user1527097
- 51
- 5
0
votes
1 answer
wso2 esb and cep installation simultaneouslly
I am trying to install and run ESB and CEP both on the same machine. I have tried to set port offset to 1, to prevent port conflict, but still after running ESB, I am not able to run CEP. The error log in cmd is as bellow:
`C:\Program…
Kawe
- 51
- 7
0
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1 answer
CEP query based on date / time of the day
In WSO2 CEP, I made an execution plan that includes the following query:
(it will be fired if the temperature exeeds 20 degrees 3 times in a row within 10 seconds)
from MQTTstream[meta_temperature > 20]#window.time(10 sec)
select…
Blackvenom
- 667
- 6
- 13
0
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1 answer
How do I publish an event stream which has schema same as Input stream
I need to process an input stream an publish the processed stream which has same schema as input stream to the logger.
In other words I need to have the same schema for import and export definitions. How do I solve this issue?
Is this possible to…
DesirePRG
- 6,122
- 15
- 69
- 114
0
votes
1 answer
How to assign a value using a siddhi query?
I need to assign a value to a particular attribute in a stream by checking a condition.
How do I do it?
e.g
if a person's name is 'John' and I need to modify his name into 'Peter' and insert into another stream, how do I do it?
from myStream…
DesirePRG
- 6,122
- 15
- 69
- 114
0
votes
1 answer
Distributed cache with WSO2 cep engine
General info:
Using tomcat server7.0 with JDK1.7
I have two servers, and I'm using Hazlecat version 3.0 for caching.
My problem is with CEP engine. Using WSO2 engine
I added the following to my pom.xml:
…
naama
- 1
- 2
0
votes
1 answer
Exception defining tables in execution plans of WSO2 CEP 4.0.0
I am trying to migrate from WSO2 CEP 3.1.0 to WSO2 CEP 4.0.0.
I have converted an existing execution plan to the new SiddhiQL syntax:
@Plan:name('occurredFailure')
@Import('responseTimeStream:1.0.0')
define stream responseTimeStream (service…
Alessandro Rossini
- 13
- 2
0
votes
2 answers
How to Connect WSO2CEP with Socket.io?
I want to create an Event Publisher that connect via Websocket. When I try to connect it with my simple socket io server, the url is
ws://localhost:3000/socket.io/
It didn't receive the stream..
I've set the inline format for the stream like this…
Faruk
- 5,438
- 3
- 30
- 46
0
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1 answer
Where I can download WSO2CEP 4.0.0 newest version?
I want to learn WSO2CEP by doing the example in documentation here one by one. But I'm stuck on the first example sn=0001, the error when i try to build producer is
[java] Starting WSO2 Http Client
[java] Exception in thread "main"…
Faruk
- 5,438
- 3
- 30
- 46
0
votes
1 answer
WSO2 CEP fire BPS over SOAP failed
I want to invoke a BPS process from CEP through SOAP method, but got an exception in BPS side.
the event output formatter such as:
mxx
- 11
- 3
0
votes
1 answer
WSO2 BAM 2.5 - Default Logger Output Event Adaptor
Which directory and file does the default logger output event adaptor write the logs to? I am not able to see the logs in the repository/logs/wso2carbon.log file? The log4j properties file in repository/conf has the default configurations and I can…
dave
- 91
- 6