ProcessEngineException : Query return 2 results instead of max 1

Camunda 7 Topics Discussion & Questions
1

Hello Team,
Need urgent help please !

While trying to invoke Camunda flow from our application , getting below error:
Query return 2 results instead of max 1

Looks like any Camunda table has duplicate entry . Please suggest.

@Niall - Need help please !

2

Hi @Sonali,

What do you mean by invoking camunda flow?
Do you mean to start a new process instance?

And could you please share both your model and the code you use.

3

@hassang - Thanks for responding !
Yes , I am trying to start a Process Instance

Request : https://************/engine/engine/process-definition/key/P_/start

Body :

{

"variables": {

    "orderOperation": {

        "value": "***",

        "type": "String"

    },

    "orderId": {

        "value": "123",

        "type": "Long"

    }

},"businessKey":"123"}

Response:

{

"type": "ProcessEngineException",

"message": "Query return 2 results instead of max 1"
4

Hi @Sonali,

What kind of installation do you have?
Can you share exception logs…