Error in Shibboleth login from mobile devices

Aseem Keskar Aseem.Keskar at
Sat Nov 16 08:53:22 EST 2019

Hi Nate,

We appreciate your prompt reply.

Please find the attached log file which contains the HTTPS traffic for working transactions and failing transaction.

We have taken this log from IdP server.

Kindly review and advice. Thanks for your assistance.

Thanks and regards,
Aseem Keskar

From: Nate Klingenstein <ndk at>
Sent: Saturday, November 16, 2019 12:00:37 PM
To: Aseem Keskar
Cc: Chetan Chaudhari; Rupesh Kale; Nilesh Raut; users at; Jyoti Sawant; Pravin Ingale
Subject: Re: Error in Shibboleth login from mobile devices

External Email: This email has not originated from WNS. Do not click on attachment or links/URL unless sender is reliable. Malware/ Viruses can be easily transmitted via email and also lead to a Phishing compromise.

Pardon me, that should read from the Shibboleth server, e.g. IdP.  Either end should be able to display the raw traffic.

Sorry. Internet outage here and I'm ironically bad with phones.

On Nov 15, 2019 10:19 PM, Nate Klingenstein <ndk at> wrote:


Strictly speaking, that means the IdP was attempting to continue some flow(usually login) but was unable to do so.  It's usually the back button, but that's obviously unlikely here.

I would like an example of the HTTPS traffic on a working transaction and an example of a failing transaction.  All you really know from the the server side is that it's trying to continue a webflow that is invalid.

This could be a hard fix, depending on what's happening.

Take care,

On Nov 15, 2019 8:46 PM, Aseem Keskar <Aseem.Keskar at> wrote:

Hello Team,

We have implemented Shibboleth SSO login in our mobile application. Our mobile application has been built on IONIC3.

We are frequently facing issue on Shibboleth login for mobile devices where sometime it redirects to error (find the attached error screenshots) and sometime it works fine without any error. Shibboleth login for mobile device is not working consistently.

We are facing this issue in iOS device more frequently (this error appears 1 or 2 times out of 4-5 login attempts). For Android device, it is not coming so frequently like iOS (for Android error appears 1 or 2 times out of 14-15 login attempts).

We found the following error in the log file from IdP server.

[net.shibboleth.ext.spring.error.ExtendedMappingExceptionResolver:136] - Resolved [org.springframework.webflow.execution.repository.NoSuchFlowExecutionException: No flow execution could be found with key 'e1s2' -- perhaps this executing flow has ended or expired? This could happen if your users are relying on browser history (typically via the back button) that references ended flows.] to ModelAndView: reference to view with name 'error'.

Kindly help us to find root cause of this error and provide some solution for the same?

Thanks and regards,
Aseem Keskar--
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