External task use multi instance(parallel) , client multi subscribe to the same topic for all task instance

Camunda 7 Topics Discussion & Questions
1

HI, dear ,now I have a scenarios for parallel multi instance of external task , for example , I set the 5 instance for one external task ,the topic in model is postDealChart , now I want to start five application client to subscribe the topic in parallel , but it is failed.

here is my model

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image1677×609 172 KB

and follow is my client code

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image1309×580 158 KB

2

Hi @leyoliu
What exactly fails - what are you expecting and what exactly is happening?