BPM, Workflow, and Case

Hi All,

I'm trying to call the REST services of the BPM (BAW), following the instructions of the page https://www.ibm.com/support/knowledgecenter/en/SS8JB4/com.ibm.wbpm.wle.editor.doc/topics/cdev_restapis_invoke_rest.html, but unfortunately unsuccessful :(.

I have a REST server with all the necessary settings:

an External service:

and a Service Flow with the javascript code to call the service:

var request = new BPMRESTRequest();
request.externalServiceName = "BAWRESTService";
request.operationName = "processes";
request.httpMethod = "GET";
request.httpHeaders = {"Content-Type" : "application/json", "Accept" : "text/plain"};
tw.local.response = tw.system.invokeREST(request);

The operation name "processes" is written in the swagger file:


But I get the error "Cannot find the selected OpenAPI operation name "processes" in the external service.":

I don't understand this... How could I call the operations of the BPM REST?

Unfortunaely I can't use an External Service which it is created as External Implemetation. In this case I get the error Cannot create the REST binding invoker. Binding is: null.

On the other hand I can call BPM REST services from SoapUI, but the process list retrieval operation name is processApps instead of processes (using the URL host/rest/bpm/wle/v1/processApps). It is confusing...

Any help appreciated!

Thx,

------------------------------
____________________
Laszlo
------------------------------

Can you please share the Swagger file?

------------------------------
Deepak Champatiray
------------------------------

Original Message:
Sent: Sat August 08, 2020 10:31 AM
From: Laszlo Kertesz
Subject: Error calling BPM REST services

Hi All,

I'm trying to call the REST services of the BPM (BAW), following the instructions of the page https://www.ibm.com/support/knowledgecenter/en/SS8JB4/com.ibm.wbpm.wle.editor.doc/topics/cdev_restapis_invoke_rest.html, but unfortunately unsuccessful :(.

I have a REST server with all the necessary settings:

an External service:

and a Service Flow with the javascript code to call the service:

var request = new BPMRESTRequest();
request.externalServiceName = "BAWRESTService";
request.operationName = "processes";
request.httpMethod = "GET";
request.httpHeaders = {"Content-Type" : "application/json", "Accept" : "text/plain"};
tw.local.response = tw.system.invokeREST(request);

The operation name "processes" is written in the swagger file:

But I get the error "Cannot find the selected OpenAPI operation name "processes" in the external service.":

I don't understand this... How could I call the operations of the BPM REST?

Unfortunaely I can't use an External Service which it is created as External Implemetation. In this case I get the error Cannot create the REST binding invoker. Binding is: null.

On the other hand I can call BPM REST services from SoapUI, but the process list retrieval operation name is processApps instead of processes (using the URL host/rest/bpm/wle/v1/processApps). It is confusing...

Any help appreciated!

Thx,

------------------------------
____________________
Laszlo
------------------------------

Hi Deepak,
Niw I'm on holiday without a computer, but you can chexk the swagger file from this url (if I remember well...): server/bpm/docs.

Meanwhile I've read that this do not give the full rest functionality of the bpm.

Therefore I tried to use it without swagger file, but that gave and error as I wrote before.


------------------------------
____________________
Laszlo
------------------------------

Original Message:
Sent: Mon August 10, 2020 04:24 PM
From: Deepak Champatiray
Subject: Error calling BPM REST services

Can you please share the Swagger file?

------------------------------
Deepak Champatiray

Original Message:
Sent: Sat August 08, 2020 10:31 AM
From: Laszlo Kertesz
Subject: Error calling BPM REST services

Hi All,

I'm trying to call the REST services of the BPM (BAW), following the instructions of the page https://www.ibm.com/support/knowledgecenter/en/SS8JB4/com.ibm.wbpm.wle.editor.doc/topics/cdev_restapis_invoke_rest.html, but unfortunately unsuccessful :(.

I have a REST server with all the necessary settings:

an External service:

and a Service Flow with the javascript code to call the service:

var request = new BPMRESTRequest();
request.externalServiceName = "BAWRESTService";
request.operationName = "processes";
request.httpMethod = "GET";
request.httpHeaders = {"Content-Type" : "application/json", "Accept" : "text/plain"};
tw.local.response = tw.system.invokeREST(request);

The operation name "processes" is written in the swagger file:

But I get the error "Cannot find the selected OpenAPI operation name "processes" in the external service.":

I don't understand this... How could I call the operations of the BPM REST?

Unfortunaely I can't use an External Service which it is created as External Implemetation. In this case I get the error Cannot create the REST binding invoker. Binding is: null.

On the other hand I can call BPM REST services from SoapUI, but the process list retrieval operation name is processApps instead of processes (using the URL host/rest/bpm/wle/v1/processApps). It is confusing...

Any help appreciated!

Thx,

------------------------------
____________________
Laszlo
------------------------------

why dont you try hitting the internal REST URLs directly from BPM?

------------------------------
Vivek
------------------------------

Original Message:
Sent: Tue August 11, 2020 04:07 AM
From: Laszlo Kertesz
Subject: Error calling BPM REST services

Hi Deepak,
Niw I'm on holiday without a computer, but you can chexk the swagger file from this url (if I remember well...): server/bpm/docs.

Meanwhile I've read that this do not give the full rest functionality of the bpm.

Therefore I tried to use it without swagger file, but that gave and error as I wrote before.


------------------------------
____________________
Laszlo

Original Message:
Sent: Mon August 10, 2020 04:24 PM
From: Deepak Champatiray
Subject: Error calling BPM REST services

Can you please share the Swagger file?

------------------------------
Deepak Champatiray

Original Message:
Sent: Sat August 08, 2020 10:31 AM
From: Laszlo Kertesz
Subject: Error calling BPM REST services

Hi All,

I'm trying to call the REST services of the BPM (BAW), following the instructions of the page https://www.ibm.com/support/knowledgecenter/en/SS8JB4/com.ibm.wbpm.wle.editor.doc/topics/cdev_restapis_invoke_rest.html, but unfortunately unsuccessful :(.

I have a REST server with all the necessary settings:

an External service:

and a Service Flow with the javascript code to call the service:

var request = new BPMRESTRequest();
request.externalServiceName = "BAWRESTService";
request.operationName = "processes";
request.httpMethod = "GET";
request.httpHeaders = {"Content-Type" : "application/json", "Accept" : "text/plain"};
tw.local.response = tw.system.invokeREST(request);

The operation name "processes" is written in the swagger file:

But I get the error "Cannot find the selected OpenAPI operation name "processes" in the external service.":

I don't understand this... How could I call the operations of the BPM REST?

Unfortunaely I can't use an External Service which it is created as External Implemetation. In this case I get the error Cannot create the REST binding invoker. Binding is: null.

On the other hand I can call BPM REST services from SoapUI, but the process list retrieval operation name is processApps instead of processes (using the URL host/rest/bpm/wle/v1/processApps). It is confusing...

Any help appreciated!

Thx,

------------------------------
____________________
Laszlo
------------------------------

Can you share the swagger file so that we can understand it better? Or else find a helping hand to learn IBP BPM

------------------------------
mohammad irshad
------------------------------

Original Message:
Sent: Sat August 08, 2020 10:31 AM
From: Laszlo Kertesz
Subject: Error calling BPM REST services

Hi All,

I'm trying to call the REST services of the BPM (BAW), following the instructions of the page https://www.ibm.com/support/knowledgecenter/en/SS8JB4/com.ibm.wbpm.wle.editor.doc/topics/cdev_restapis_invoke_rest.html, but unfortunately unsuccessful :(.

I have a REST server with all the necessary settings:

an External service:

and a Service Flow with the javascript code to call the service:

var request = new BPMRESTRequest();
request.externalServiceName = "BAWRESTService";
request.operationName = "processes";
request.httpMethod = "GET";
request.httpHeaders = {"Content-Type" : "application/json", "Accept" : "text/plain"};
tw.local.response = tw.system.invokeREST(request);

The operation name "processes" is written in the swagger file:

But I get the error "Cannot find the selected OpenAPI operation name "processes" in the external service.":

I don't understand this... How could I call the operations of the BPM REST?

Unfortunaely I can't use an External Service which it is created as External Implemetation. In this case I get the error Cannot create the REST binding invoker. Binding is: null.

On the other hand I can call BPM REST services from SoapUI, but the process list retrieval operation name is processApps instead of processes (using the URL host/rest/bpm/wle/v1/processApps). It is confusing...

Any help appreciated!

Thx,

------------------------------
____________________
Laszlo
------------------------------

This is probably mistake in your swagger file  - operationId is missing.

e.g.  for such definition of deleteProcess (fragment from swagger)
"paths": { "/process/{processId}": { "delete": { "summary": "delete process", "description": "delete process instance", "operationId": "deleteProcess", "produces": [ "application/json" ], "parameters": [ { "name": "processId", "in": "path", "description": "process id to delete", "required": true, "type": "integer" }​

Your code should look like:

request.externalServiceName = "BAWRESTService"; request.operationName = "deleteProcess";

So if you are using operation name "processes"  - you have to define also  operationId "processes".
Path is not the same as operation name.

------------------------------
Sebastian Tylko
------------------------------

Original Message:
Sent: Sat August 08, 2020 10:31 AM
From: Laszlo Kertesz
Subject: Error calling BPM REST services

Hi All,

I'm trying to call the REST services of the BPM (BAW), following the instructions of the page https://www.ibm.com/support/knowledgecenter/en/SS8JB4/com.ibm.wbpm.wle.editor.doc/topics/cdev_restapis_invoke_rest.html, but unfortunately unsuccessful :(.

I have a REST server with all the necessary settings:

an External service:

and a Service Flow with the javascript code to call the service:

var request = new BPMRESTRequest();
request.externalServiceName = "BAWRESTService";
request.operationName = "processes";
request.httpMethod = "GET";
request.httpHeaders = {"Content-Type" : "application/json", "Accept" : "text/plain"};
tw.local.response = tw.system.invokeREST(request);

The operation name "processes" is written in the swagger file:

But I get the error "Cannot find the selected OpenAPI operation name "processes" in the external service.":

I don't understand this... How could I call the operations of the BPM REST?

Unfortunaely I can't use an External Service which it is created as External Implemetation. In this case I get the error Cannot create the REST binding invoker. Binding is: null.

On the other hand I can call BPM REST services from SoapUI, but the process list retrieval operation name is processApps instead of processes (using the URL host/rest/bpm/wle/v1/processApps). It is confusing...

Any help appreciated!

Thx,

------------------------------
____________________
Laszlo
------------------------------

… and if you use out-of-the-box BAW swagger file  ( from /bpm/docs)  this operationId is called getProcess

 Fragment of out-of-the box file:

"/processes/{process_id}": {

                              "get": {

                                             "summary": "Retrieve a process instance.",

                                             "description": "Retrieves detailed   ... ",

                                             "operationId": "getProcess",

...
so
request.operationName = "getProcess";

------------------------------
Sebastian Tylko
------------------------------

Original Message:
Sent: Sat August 08, 2020 10:31 AM
From: Laszlo Kertesz
Subject: Error calling BPM REST services

Hi All,

I'm trying to call the REST services of the BPM (BAW), following the instructions of the page https://www.ibm.com/support/knowledgecenter/en/SS8JB4/com.ibm.wbpm.wle.editor.doc/topics/cdev_restapis_invoke_rest.html, but unfortunately unsuccessful :(.

I have a REST server with all the necessary settings:

an External service:

and a Service Flow with the javascript code to call the service:

var request = new BPMRESTRequest();
request.externalServiceName = "BAWRESTService";
request.operationName = "processes";
request.httpMethod = "GET";
request.httpHeaders = {"Content-Type" : "application/json", "Accept" : "text/plain"};
tw.local.response = tw.system.invokeREST(request);

The operation name "processes" is written in the swagger file:

But I get the error "Cannot find the selected OpenAPI operation name "processes" in the external service.":

I don't understand this... How could I call the operations of the BPM REST?

Unfortunaely I can't use an External Service which it is created as External Implemetation. In this case I get the error Cannot create the REST binding invoker. Binding is: null.

On the other hand I can call BPM REST services from SoapUI, but the process list retrieval operation name is processApps instead of processes (using the URL host/rest/bpm/wle/v1/processApps). It is confusing...

Any help appreciated!

Thx,

------------------------------
____________________
Laszlo
------------------------------