Getting [general-trigger-rest] - REST Trigger Error: eval expression failed invalid character '-' in numeric literal while posting 'multipart form-data'

Getting [general-trigger-rest] - REST Trigger Error: eval expression failed invalid character '-' in numeric literal while posting 'multipart form-data'

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Article ID: KB0077714

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Updated On:

Products Versions
TIBCO Flogo Enterprise 2.x.x

Description

When you are using the existing ReceiveHTTPMessage HTTP trigger activity as a rest trigger and want to post the 'multipart-form-data' to the service, you will end-up with getting above mentioned error in console logs.

Issue/Introduction

When you are using the existing ReceiveHTTPMessage HTTP trigger activity as a rest trigger and want to post the 'multipart-form-data' to the service, you will end-up with getting above mentioned error in console logs.

Environment

All

Resolution

The rest trigger (ReceiveHTTPMessage) activity that used in the flow is not meant to use for posting 'multipart-form-data'. Go-Json-Rest is a framework for REST APIs using JSON as a representation format, not form encoded nor URL encoded content. The payload of the post request must be JSON and the Content-Type header "application/json".
Please refer to the below article which will give you an in-depth details of what is going wrong:
https://github.com/ant0ine/go-json-rest/issues/94

To overcome and achieve the requirement of posting 'multipart form-date' one can create their custom ReST/HTTP trigger or leverage the already available OSS trigger from community.
You can use below HTTP/ReST trigger for your requirement:
https://github.com/project-flogo/contrib/tree/master/trigger/rest

Additional Information

https://github.com/ant0ine/go-json-rest/issues/94
 
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