ocore encounters "DNS error"

[jchodera]

Jason Hsu is no longer encountering the no streams available for the target issue, but is still encountering a DNS error:

Now we are getting the error with DNS only,

2014-08-26 14:55:46 sleeping for 300 seconds
2014-08-26 15:00:45 preparing for assignment...
2014-08-26 15:00:45 connecting to cc...
2014-08-26 15:00:47 assigning core to a stream...ok
2014-08-26 15:00:47 connecting to scv vspg11.stanford.edu...
2014-08-26 15:00:47 preparing to start stream...           
2014-08-26 15:00:47 cleaning up
2014-08-26 15:00:47 DNS error
2014-08-26 15:00:47 setting checkpoint interval to 7200 seconds
2014-08-26 15:00:47 sleeping for 300 seconds
2014-08-26 15:05:46 preparing for assignment...
2014-08-26 15:05:46 connecting to cc...
2014-08-26 15:05:47 assigning core to a stream...cleaning up
2014-08-26 15:05:47 DNS error             
2014-08-26 15:05:47 setting checkpoint interval to 7200 seconds
2014-08-26 15:05:47 sleeping for 300 seconds
2014-08-26 15:10:47 preparing for assignment...
2014-08-26 15:10:47 connecting to cc...
2014-08-26 15:10:49 assigning core to a stream...ok
2014-08-26 15:10:49 connecting to scv vspg11.stanford.edu...
2014-08-26 15:10:49 preparing to start stream...                       
2014-08-26 15:10:49 cleaning up
2014-08-26 15:10:49 DNS error
2014-08-26 15:10:49 setting checkpoint interval to 7200 seconds
2014-08-26 15:10:49 sleeping for 300 seconds

Looks like something is going wrong in this bit of code:
https://github.com/proteneer/backend/blob/master/core/base/Core.cpp#L377-L381

Any ideas what would trigger this? DNS problems on their end?

[proteneer]

It probably means the core is firewalled behind corporate.

On Tue, Aug 26, 2014 at 6:51 AM, John Chodera [email protected]
wrote:

Jason Hsu is no longer encountering the no streams available for the
target issue, but is still encountering a DNS error:

Now we are getting the error with DNS only,

2014-08-26 14:55:46 sleeping for 300 seconds
2014-08-26 15:00:45 preparing for assignment...
2014-08-26 15:00:45 connecting to cc...
2014-08-26 15:00:47 assigning core to a stream...ok
2014-08-26 15:00:47 connecting to scv vspg11.stanford.edu...
2014-08-26 15:00:47 preparing to start stream...
2014-08-26 15:00:47 cleaning up
2014-08-26 15:00:47 DNS error
2014-08-26 15:00:47 setting checkpoint interval to 7200 seconds
2014-08-26 15:00:47 sleeping for 300 seconds
2014-08-26 15:05:46 preparing for assignment...
2014-08-26 15:05:46 connecting to cc...
2014-08-26 15:05:47 assigning core to a stream...cleaning up
2014-08-26 15:05:47 DNS error
2014-08-26 15:05:47 setting checkpoint interval to 7200 seconds
2014-08-26 15:05:47 sleeping for 300 seconds
2014-08-26 15:10:47 preparing for assignment...
2014-08-26 15:10:47 connecting to cc...
2014-08-26 15:10:49 assigning core to a stream...ok
2014-08-26 15:10:49 connecting to scv vspg11.stanford.edu...
2014-08-26 15:10:49 preparing to start stream...
2014-08-26 15:10:49 cleaning up
2014-08-26 15:10:49 DNS error
2014-08-26 15:10:49 setting checkpoint interval to 7200 seconds
2014-08-26 15:10:49 sleeping for 300 seconds

Looks like something is going wrong in this bit of code:

https://github.com/proteneer/backend/blob/master/core/base/Core.cpp#L377-L381

Any ideas what would trigger this? DNS problems on their end?

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Yutong Zhao
Stanford University

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