Monday, October 28, 2013

Quick and easy way to get around the CIsco UCS - Login Error: java.io.IOException: Invalid Http response Login Error: java.io.IOException: Server returned HTTP response code: 400 for URL: http://x.x.x.x:443/nuova

Hey Guys!


You might have experienced the exceptionally annoying error with Cisco UCS and the latest update to Java (and apparently the fault is a java programming fault not Cisco UCS) where after trying to login to Cisco UCS you get the following error:

Login Error: java.io.IOException: Invalid Http response
Login Error: java.io.IOException: Server returned HTTP response code: 400 for URL: http://x.x.x.x:443/nuova


Here is a quick and easy work-around to enable HTTP via the SSH command shell, you can then HTTP into the device instead of HTTPS and at least that will get you on there quickly instead of having to stuff around with Java,

naturally I would recommend disabling HTTP since everything is transmitted in clear text once the issue is resolved

UCS# scope system 
UCS /system # scope services 
UCS /system/services # enable http 
UCS /system/services # disable http-redirect 
Warning: When committed, this closes all the web sessions. 
UCS /system/services* # commit

31 comments:

  1. Awesome Peter!! I just fixed my UCS 2.1(3a) using your fix!

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  2. You are awesome Peter!
    Scratch my head for couple of hours, until I find this link.

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  3. Thank you! Thank you!! Thank you!!!

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  4. Appreciate this. This worked perfectly right after I added the http://x.x.x.x into the java security exceptions. Thanks again

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  5. this http information is amazing to read this article.Good to see this coding explanation.Such a useful blog to all.


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  7. Bookmarking this blog! Thanks for the tip, I just started a new job and they've been unable to get into their UCS for this reason! (production network for a hospital so an outage to update firmware is easier said than approved)

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