Are you sure JMeter can find the file? i.e. is SampleVideo_1280x720_1mb.mp4 present in the JMeter starting directory?
Best to use absolute path names if you are not sure. On Thu, 14 Nov 2019 at 11:23, Karuna Lingham <karu131...@gmail.com> wrote: > I am trying to send an image/video file to my API endpoint by attaching the > file under 'Files Upload' section of the HTTP Request and always get this > error: > *"TypeError: Cannot read property 'size' of undefined" * For some reason, > the file does not get recognised on jmeter, tried on Postman and it works > fine. I have tried various things, like ticked the box "Use > multipart/form-data", moved file to JMeter's bin folder. > > *Request Headers:* > > > > > > *Connection: keep-alivecontent-type: multipart/form-data; > boundary=mlsContent-Length: 1055964Host: xyzUser-Agent: > Apache-HttpClient/4.5.7 (Java/12.0.1)* > > *Request Body:* > > > > > > > > > > > > > *POST https://xyz <https://xyz>POST > data:--JypF-HPWzMbOA9YQFz8pUAXgZvilHpAA63Content-Disposition: form-data; > name="file"; filename="SampleVideo_1280x720_1mb.mp4"Content-Type: > video/mp4Content-Transfer-Encoding: binary<actual file content, not shown > here>--JypF-HPWzMbOA9YQFz8pUAXgZvilHpAA63--Cookie Data:connect.sid=xyz* > > > MIME Type: video/mp4 Content-Type: multipart/form-data > > Please help!! >