Hi Kostas,

Unfortunately, I'm not very familiar with this area of the JSPUI codebase. But, it looks like that "Single Sign Out feature is not implemented" message is displayed by the "no-single-sign-out.jsp":
https://github.com/DSpace/DSpace/blob/master/dspace-jspui/src/main/webapp/login/no-single-sign-out.jsp

That JSP seems to be returned whenever Shibboleth returns a "NO_SUCH_USER" error, at least according to this code:
https://github.com/DSpace/DSpace/blob/master/dspace-jspui/src/main/java/org/dspace/app/webui/servlet/ShibbolethServlet.java#L90

So, it seems like there might be something wrong with your Shibboleth configuration, since the DSpace Shibboleth Authentication Plugin cannot seem to locate the user you are trying to login as.

I'd suggest looking more closely at your DSpace log files to see if there are any error messages being reported there. Likely either a DSpace error is being thrown, or you have "autoregister" set to "false" and there is no DSpace EPerson corresponding to your Shibboleth login.

Here's more hints on checking logs for error messages:
https://wiki.duraspace.org/display/DSPACE/Troubleshoot+an+error

If you find an error in the logs, and it doesn't make sense, feel free to forward it along to this mailing list, and we'll see if we can help.

- Tim

On 7/14/2015 1:23 AM, Konstantinos Koumoutsos wrote:

Hello.

Is there any update on this? Any ideas on how to proceed?

Thanks.

Regards

Kostas

*From:*Konstantinos Koumoutsos [mailto:koumout...@gmail.com]
*Sent:* Tuesday, July 14, 2015 1:02 AM
*To:* 'dspace-tech@lists.sourceforge.net'
*Subject:* dspace 5.1 - Single Sign Out feature is not implemented while logging in via shibboleth2

Hello All.

I have a dspace 5.1 and I have configured shibboleth 2 with no lazy sessions. When I go to “Login via Shibboleth” page, I am redirecting to the correct page that is defined by IDP.

After putting my credentials, I got the below error in dspace gui page.

Single Sign Out feature is not implemented

The protection provided by Shibboleth does not have single sign out feature implemented yet. Please simply close the browser and re-open it to clear cookie

I have never seen that error before. Could you please help me on this?

The shibd logging returns and it dictates that there is no communication error with IDP.

root@ shibboleth]# tail -f /var/log/shibboleth/shibd.log

2015-07-14 00:33:50 INFO Shibboleth.AttributeExtractor.XML [7]: skipping unmapped SAML 2.0 Attribute with Name: urn:oid:2.5.4.12

2015-07-14 00:33:50 INFO Shibboleth.AttributeExtractor.XML [7]: skipping unmapped SAML 2.0 Attribute with Name: urn:oid:2.5.4.11

2015-07-14 00:33:50 INFO Shibboleth.AttributeExtractor.XML [7]: skipping unmapped SAML 2.0 Attribute with Name: urn:oid:2.5.4.3

2015-07-14 00:33:50 INFO Shibboleth.AttributeExtractor.XML [7]: skipping unmapped SAML 2.0 Attribute with Name: urn:oid:0.9.2342.19200300.100.1.3

2015-07-14 00:33:50 INFO Shibboleth.AttributeExtractor.XML [7]: skipping unmapped SAML 2.0 Attribute with Name: urn:oid:2.16.840.1.113730.3.1.241

*2015-07-14 00:33:50 INFO Shibboleth.SessionCache [7]: new session created: ID (_d29c42e3bdfb1b82b1002a24bc3506e1) IdP (https://idp. /shibboleth-idp/) Protocol(urn:oasis:names:tc:SAML:2.0:protocol) Address (188.4.154.97)*

**

*I am using Centos 6.5 with httpd, tomcat 6 and modjk. *

*Thank you in advance.*

*Best Regards*

*Kostas*

**

**



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