Hi,
I'm in a process of running a sample using [1],
in the samples there are pre-defined event streams, i found that those
stream definitions can be found at <CEP_HOME>
/samples/artifacts/sample-id/stream-definitions.xml.
If i tried to edit and add another attribute to
stream-definitions.xml's payloadData it gives me a error if i re run the
sample using [1].
{DataBridgeDS} Error redefining event stream of carbon.super:
{
"name": "UserLoginInputStream",
"version": "1.0.0",
"nickName": "login",
"description": "Handles event stream related to user login life
cycle.",
"payloadData": [
{"name": "user_id",
"type": "STRING"
},
{"name": "newly_added",
"type": "STRING"
}
]
}
org.wso2.carbon.databridge.commons.exception.DifferentStreamDefinitionAlreadyDefinedException:
Cannot define Stream definition:{
"streamId": "UserLoginInputStream:1.0.0",
"name": "UserLoginInputStream",
"version": "1.0.0",
"nickName": "login",
"description": "Handles event stream related to user login life cycle.",
"payloadData": [
{
"name": "user_id",
"type": "STRING"
}
]
}, Another Stream with same name and version exist :{
"streamId": "UserLoginInputStream:1.0.0",
"name": "UserLoginInputStream",
"version": "1.0.0",
"nickName": "login",
"description": "Handles event stream related to user login life cycle.",
"payloadData": [
{
"name": "user_id",
"type": "STRING"
}
]
}
and if i add the same data, save it using management console and re run the
product using [1], it gives a similar kind of error with regard to that
newly added data. then this can be fixed by adding the same data which
added using management console to <CEP_HOME>
/samples/artifacts/sample-id/stream-definitions.xml.
I found that there is another stream definition file in
<CEP_HOME>/repository/conf/data-bridge
which updates the stream-definition when runnig the samples.
My question is there any other way, file which stores the stream definition
other than above mentioned locations?
[1]
https://docs.wso2.com/display/CEP310/Setting+up+CEP+Samples#SettingupCEPSamples-Prerequisites
--
Shashika Prabath Karunatilaka,
Software Engineer,
WSO2, Inc: http://wso2.com/
mobile : +94 77 7487792
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