Iam using sitecore 9 and installed the DEF, and have been trying to make it work. I followed the steps given here http://dataexchange.loveyourdemo.com/use-restful-provider/news/create-connector/add-pipeline-batch.html and created my pipeline batch.
When I run the pipeline batch though, it keeps running for a while and stops at an error. On checking the Pipeline.Batch.20180702.144518.txt that is created, I find the following:
ManagedPoolThread #10 16:45:18 INFO [Data Exchange] Starting pipeline batch processing. (pipeline batch: Pipeline Batch)
ManagedPoolThread #10 16:45:18 INFO [Data Exchange] Pipeline step reading data. (pipeline step: Read Resource Data Pipeline Step, plugin: Sitecore.DataExchange.Plugins.EndpointSettings)
8300 16:45:18 WARN [Data Exchange] No access token is specified on the endpoint (pipeline step: Read Resource Data Pipeline Step, endpoint: RESTful Endpoint)
ManagedPoolThread #10 16:45:20 ERROR [Data Exchange] One or more errors occurred. (pipeline batch: Pipeline Batch, completed pipelines: 0)
ManagedPoolThread #10 16:45:20 DEBUG [Data Exchange] Pipeline batch processor finished processing pipelines. (pipeline batch: Pipeline Batch, completed pipelines: 0)
I have no idea where to look to know exactly what the error is in "one or more errors occurred", I need to know where the errors are logged in detail, if any.