strange network problem updating online accounts

[Jack]

On 2016.04.14 11:55, Jack wrote:
> On 2016.04.14 09:35, Thomas Baumgart wrote:
>> On Wednesday 13 April 2016 16:56:19 Jack wrote:
>>> For the past few days, every time I try to update an online account  
>>> (libofx) I get a popup "Unknown host xx.yy.com:Host not found" but  
>>> I can put that exact host name into Firefox and get a good result.   
>>> I also get no error using that name in a ping command.  Traceroute  
>>> often times out before reaching the host, but it does get a good IP  
>>> address to use.
>> >
>>> This happens for all of my online accounts, including banks, credit  
>>> cards, and investment accounts.
>> >
>>> I'm at a loss as to where the problem actually occurs, since DNS is  
>>> obviously able to look up the address, and the address can be  
>>> reached.
>> >
>> > Any other thoughts about how I can further troubleshoot this?
>> 
>> Wireshark is your friend to see what is going on between client and  
>> server.
> 
> I actually tried that, and didn't see any related packets.  I then  
> tried strace, and saw KMM sending a dbus message (including the  
> related URL).  I then used "dbus-monitor --session" and it looks to  
> me like KMM is handing the URL to some KDE utility or service, and I  
> don't see anything I can interpret until the failure message is  
> returned.  I'm guessing that KDE service has a stale or corrupt  
> cache.  When I return after the weekend, I'll just log out/log in and  
> see if that resets dbus and the KDE stuff.  I don't think it's worth  
> the effort it will probably take to fully debug and find out the  
> actual cause.
Just to follow up - logging out and in again did not fix the problem,  
but a full reboot did.  I hope it doesn't happen again, but if it does,  
I hope I have more time to actually troubleshoot.

Jack