Localhost is not recognized?

I've two application setup. Appserver and Client programs. In App.config files of both if I specifiy localhost my client application is not launching. But if I specify my system IP address it works fine. Why it is happening? How to resolve it?


My laptop IP address is keep on changing time to time. Could you please explain why this is happening?

I would like to work as localhost. Please do suggest solution.
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Easwaran ParamasivamAsked:
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AndyAinscowConnect With a Mentor Freelance programmer / ConsultantCommented:
Concerning localhost - that is out of my expertise.

Concerning changing IP adress - you will have a dynamic adress setting for your network adaptor - so it asks the server for an available adress (which can be different from the last time you booted the laptop).  There is a setting where you specify an adress and that *might* be suitable for you if you require a constant value.
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ZabagaRCommented:
What operating system? Open your hosts file in notepad. It's here:
C:\windows\system32\drivers\etc\

Make sure you have an entry that reads

127.0.0.1    localhost

If you have IPv6 on the system and don't use it, delete the entry that reads ::1   localhost

If you do edit the hosts file, make sure when saving you don't accidentally append .txt to the end of the file. It's just "hosts"
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Easwaran ParamasivamAuthor Commented:
In host file I provided
myip localhost

But no luck. Could you please some other solution?
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ZabagaRCommented:
I don't completely understand what you're trying to do. Can you leave more details?
Localhost on your machine should be left alone at 127.0.0.1. I don't have a clear picture of your setup.
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Easwaran ParamasivamAuthor Commented:
I try to access a remote url with localhost (Ex: rtcp://localhost:8085/MyCompany.MyApp.MyAdaptor.RemoteAdaptor.rem) is not accessible. If I replace localhost with my IP of my machine then it works fine.
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ZabagaRCommented:
You're not trying to access a remote URL if you're using 'localhost' or your machine's own IP address.

Anyway, does your hosts file have the entry for 127.0.0.1 localhost ?

Depending on the application, it may not accept 'localhost' as a valid entry. Is it a commercial app or in house written? I've seen in house developed software/services where the developers just didn't code 100% correctly and got your results....where the local IP address works but the word 'localhost' does not.
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Easwaran ParamasivamAuthor Commented:
ZabagaR: Could you please say how to resolve it?
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ZabagaRCommented:
In order for me have a chance to help, you need to provide more information and answer the questions I asked in my prior message.
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Easwaran ParamasivamAuthor Commented:
Using localhost I try to access my own IP address.
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Easwaran ParamasivamAuthor Commented:
I've requested that this question be deleted for the following reason:

I did not receive a solution to solve the issue. Hence please do delete this question.
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AndyAinscowFreelance programmer / ConsultantCommented:
Actually you asked two questions - the second (My laptop IP address is keep on changing time to time) I answered with my first comment.
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Easwaran ParamasivamAuthor Commented:
Thanks!
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