Start process using rest api

[Musk]

Hi,

I am new to jbpm. I have created one business process consisting of some human tasks and business rule tasks with few guided rules and data objects. I have deployed it on the execution server.

Now I want to start process instance using rest api. would anyone please tell me what will be the url. what headers will I have to set. and what is the format of body?

I want everything(create process instance, complete human task) to be done using rest api. is it possible?

Thanks

[Maciej Swiderski]

Have a loo at this article that introduces you to kie server http://mswiderski.blogspot.com/2015/09/unified-kie-execution-server-part-1.html

Feel free to go over next ones as well. Then look at http://localhost:8080/kie-server/docs on your running environment to look at complete REST api docs that should give you all the information you need.

Maciej

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[Musk]

Thanks Maciej,

I have two doubts.

1. How to perform human task in a business process using rest api? Human task need some variables too.

2. How to get all the data objects using rest api? I know how to do it in Business rule engine. I don't know how to get when using data objects along with business process.

Would you please provide the solution for these.

[Maciej Swiderski]

On 12 Sep 2018, at 08:22, Musk <yadavi...@gmail.com> wrote:

Thanks Maciej,

I have two doubts.

1. How to perform human task in a business process using rest api? Human task need some variables too.

See the REST docs (swagger) for details but the entire task life cycle including variables is there

2. How to get all the data objects using rest api? I know how to do it in Business rule engine. I don't know how to get when using data objects along with business process.

You need to be more specific what you’re trying to do. You can get access to process variables from REST api 

Maciej

Would you please provide the solution for these.

On Monday, September 10, 2018 at 4:16:57 PM UTC+5:30, Musk wrote:

Hi,

I am new to jbpm. I have created one business process consisting of some human tasks and business rule tasks with few guided rules and data objects. I have deployed it on the execution server.

Now I want to start process instance using rest api. would anyone please tell me what will be the url. what headers will I have to set. and what is the format of body?

I want everything(create process instance, complete human task) to be done using rest api. is it possible?

Thanks

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[Maciej Swiderski]

You need to first claim and start the task if the task is assigned to a group. Alternatively you can use auto-progress feature on complete endpoint

/server/containers/{id}/tasks/{tInstanceId}/states/completed?auto-progress=true

Maciej

On 12 Sep 2018, at 14:58, Musk <yadavi...@gmail.com> wrote:

Thanks once again,

One more doubt please.

I am sending put request to /server/containers/{id}/tasks/{tInstanceId}/states/completed to perform a human task.

Now task is assigned to group "HR".

I am getting following error

"User '[UserImpl:'krisv']' was unable to execute operation 'Complete' on task id 2 due to a no 'current status' match"

I have tried with user name mary, which has roles HR.
So would you please tell me what am I doing wrong?

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[Musk]

Thanks once again,

One more doubt please.

I am sending put request to /server/containers/{id}/tasks/{tInstanceId}/states/completed to perform a human task.

Now task is assigned to group "HR".

I am getting following error

"User '[UserImpl:'krisv']' was unable to execute operation 'Complete' on task id 2 due to a no 'current status' match"

I have tried with user name mary, which has roles HR.
So would you please tell me what am I doing wrong?

In one of the post I have read that this error comes when task is not inprogess state.

but the diagram show it's inprogress state.

I have attached the diagram.

On Monday, September 10, 2018 at 4:16:57 PM UTC+5:30, Musk wrote:

[Musk]

setting autoprogess=true didn't work.Still getting the same error.

this is what I am doing

curl -X PUT "http://localhost:8080/kie-server/services/rest/server/containers/evaluation_1.0.0-SNAPSHOT/tasks/2/states/completed?auto-progress=true" -H  "accept: application/xml" -H  "content-type: application/json" -d "{\"reason\":\"hr evaluaution\",\"performance\":7}"

and error I am getting is

"User '[UserImpl:'krisv']' was unable to execute operation 'Complete' on task id 2 due to a no 'current status' match"

I have attached both diagram and log screen shots.

On Monday, September 10, 2018 at 4:16:57 PM UTC+5:30, Musk wrote:

[Musk]

Moreover I am getting following error when claiming the task

"User '[UserImpl:'krisv']' was unable to execute operation 'Claim' on task id 2 due to a no 'current status' match"

I used following 
curl -X PUT "http://localhost:8080/kie-server/services/rest/server/containers/evaluation_1.0.0-SNAPSHOT/tasks/2/states/claimed" -H  "accept: application/xml"

On Monday, September 10, 2018 at 4:16:57 PM UTC+5:30, Musk wrote:

[Clinton Gomes]

Task status has to be 'Ready' before it can be claimed