POST request works with POSTMAN but not in my Java application

[Ikenahim]

I brief description of what I'm doing, I'm automating creating incidents in ServiceNow using API. I have tested with POSTMAN first and it works fine. 

Now after I wrote my code, I try to POST data to the same url , I got no respond from the server. what could be the problem?

[sachinbhasin11]

Hi,

What is the error code you are getting in the response? and where are you calling the code from public network or restricted?

[Ikenahim]

the error is connection timed out. I'm making connection from the same network where I tested with POSTMAN!

[sachinbhasin11]

Are you using a scripted REST API or a table API?

Also could you check the property 'com.glide.communications.httpclient.verify_hostname' in system properties and turn it to 'false' 

In case if the property doesn't exist create one

Are you using certificates for auth?

[Ikenahim]

I'm using scripted REST API.

I have added the certificate to the Java keystore, so there is no issue with validating host name.

I have disabled SSL validation, doesn't work as well still same problem. the sever doesn't respond to my request