Looks like you have network problems...
On Wed, Sep 21, 2016 at 3:39 PM, Raminosoa Rabemanantsoa, Tantely <
> Dear DHIS2 Community,
> I have this kind of errors (cf. attached file) which are repeating all
> the timein the DHIS2 log file. Could you please explain what may cause them
> and how to troubleshoot? The DHIS2 webapp is running fine, but we should be
> aware of any kind of error happening in the log file. Here are the versions
> we are using: DHIS2 2.19, Tomcat 8.5, Java 1.7.
> Your suggestions are welcome!
> *This message and its attachments are confidential and solely for the
> intended recipients. If received in error, please delete them and notify
> the sender via reply e-mail immediately.*
> Mailing list: https://launchpad.net/~dhis2-users
> Post to : firstname.lastname@example.org
> Unsubscribe : https://launchpad.net/~dhis2-users
> More help : https://help.launchpad.net/ListHelp
Dept. of Informatics, University of Oslo
Mailing list: https://launchpad.net/~dhis2-users
Post to : email@example.com
Unsubscribe : https://launchpad.net/~dhis2-users
More help : https://help.launchpad.net/ListHelp