Process Definition Deployment without JavaCode

[Iryna Feuerstein]

Hi dear Camunda-Devs,

I would like to try out the following:

- My Process Definition consists of 2 script tasks and a user task between them (it's pretty simple).
- The start node and the user task nodes should be triggered via rest call
- I don't want to implement any functionality in java code (the sript tasks are implemented in javascript)
- I use camunda-tomcat-package

So my project structure looks like:

- war
  |
  --- META-INF
  --- WEB-INF
      |
      --- classes
          |
          --- META-INF
              |
              --- process.xml
          --- my-process-definition.bpmn


The war-file gets deployed on the tomcat, but not the process definition.

Dou I have to define a java class with @ProcessApplication to get my process definition deployed on the process engine? Can I somehow avoid defining java classes at all?

Any hints?

Thx,
Iryna.

[Daniel Meyer]

Unfortunatley you need a java class with @ProcessApplication if you want
to deploy a process application.

What you could do is deploy the process using api:
http://docs.camunda.org/7.3/api-references/rest/#deployment-post-deployment

Regards,
Daniel

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[Iryna Feuerstein]

Hallo Daniel,

using the rest-api for deployment could be a good solution for me. Unfortunately I can't get rid of it. May be you could give me a hint.

I'm using the Postman rest client to create and send my post request. That's what postman is generating for me:

POST /engine-rest/deployment/create HTTP/1.1
Host: localhost:8080
Content-Type: application/xml
Cache-Control: no-cache

----WebKitFormBoundaryE19zNvXGzXaLvS5C
Content-Disposition: form-data; name="deployment-name"

test-bestellprozess
----WebKitFormBoundaryE19zNvXGzXaLvS5C
Content-Disposition: form-data; name="data"; filename="test-bestellprozess.bpmn"
Content-Type:


----WebKitFormBoundaryE19zNvXGzXaLvS5C

I get the following response:

Status Code: 405 Method Not Allowed
Allow: HEAD, DELETE, GET, OPTIONS
Content-Length: 0
Date: Fri, 05 Jun 2015 17:33:02 GMT
Server: Apache-Coyote/1.1

Do I have to configure camunda/tomcat to allow a post request on deployment/create?

Thank you for your help!

Greetings,
Iryna.

[Valentin Vago]

Hi,

have you tried to use in your headers?

Accept: application/hal+json, application/json; q=0.5

All the best,
Valentin

[Iryna Feuerstein]

Hello Valentin,

I've pasted this line in my header. Unfortunately it didn't help.

[Valentin Vago]

Hi,

I searched a bit and was able to deploy a process with postman. The setup is the following:

POST /engine-rest/engine/default/deployment/create HTTP/1.1
Host: localhost:8080
Cache-Control: no-cache
Postman-Token: f33244a6-263c-e8ab-c5fe-c7262ccc3e72
Content-Type: multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW

----WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="deployment-name"

dep
----WebKitFormBoundary7MA4YWxkTrZu0gW
Content-Disposition: form-data; name="data"; filename="fox-invoice_generated_forms.bpmn"
Content-Type: 


----WebKitFormBoundary7MA4YWxkTrZu0gW

And then I got the expected response:

{

   "links": [

       {

           "method": "GET",

           "href": "http://localhost:8080/engine-rest/engine/default/deployment/6cab3230-0e66-11e5-8b8a-a44e31a96f6c",

           "rel": "self"

       }

   ],

   "id": "6cab3230-0e66-11e5-8b8a-a44e31a96f6c",

   "name": "dep",

   "deploymentTime": "2015-06-09T07:14:37"

}

I used the distro available here:
http://camunda.org/release/camunda-bpm/tomcat/7.3/camunda-bpm-tomcat-7.3.0.tar.gz

I don't know what kind of setup you have.. it's maybe related.

So I changed the endpoint to reflect yours (/engine-rest/deployment/create) and even that worked.

Have a nice day,

Valentin