[tor-bugs] #24601 [Metrics/Website]: CollecTor directory listing apparently breaks when a directory in recent/ runs dry

[Tor Bug Tracker & Wiki]

#24601: CollecTor directory listing apparently breaks when a directory in 
recent/
runs dry
-+--
 Reporter:  karsten  |  Owner:  metrics-team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Metrics/Website  |Version:
 Severity:  Normal   |   Keywords:
Actual Points:   |  Parent ID:
   Points:   |   Reviewer:
  Sponsor:   |
-+--
 The CollecTor directory listings on Tor Metrics broke at or shortly after
 2017-12-11 13:08:

 https://metrics.torproject.org/collector/recent/relay-descriptors/server-
 descriptors/

 The index.json file looks okay right now:

 https://collector.torproject.org/index/index.json

 I suspect the reason is that some of the directories in `recent/`
 containing sanitized bridge descriptors ran dry yesterday afternoon. Maybe
 we ran into a `NullPointerException` or something.

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Re: [tor-bugs] #24601 [Metrics/Website]: CollecTor directory listing apparently breaks when a directory in recent/ runs dry

[Tor Bug Tracker & Wiki]

#24601: CollecTor directory listing apparently breaks when a directory in 
recent/
runs dry
-+--
 Reporter:  karsten  |  Owner:  metrics-team
 Type:  defect   | Status:  new
 Priority:  Medium   |  Milestone:
Component:  Metrics/Website  |Version:
 Severity:  Normal   | Resolution:
 Keywords:   |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+--

Comment (by iwakeh):

 Is there any logging about this incident?  And, what does the 'broken'
 listing look like?

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Re: [tor-bugs] #24601 [Metrics/Website]: CollecTor directory listing apparently breaks when a directory in recent/ runs dry

[Tor Bug Tracker & Wiki]

#24601: CollecTor directory listing apparently breaks when a directory in 
recent/
runs dry
-+--
 Reporter:  karsten  |  Owner:  metrics-team
 Type:  defect   | Status:  new
 Priority:  Low  |  Milestone:
Component:  Metrics/Website  |Version:
 Severity:  Normal   | Resolution:
 Keywords:   |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+--
Changes (by karsten):

 * priority:  Medium => Low


Comment:

 There is no log, AFAIK.

 The listing is broken in the sense that it stopped being updated. Well, I
 should write ''was'' broken, because it's fixed again, probably due to a
 server restart for #24602, entirely unrelated to this ticket.

 We might still be able to reproduce this issue by feeding a modified
 `index.json` file, say, without any bridge descriptors into the servlet.
 Just to avoid future occurrences.

 I realize that this is now a rather weak bug report with just an idea for
 reproducing, the error being gone, and the error not being the end of the
 world. Setting priority to low.

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Re: [tor-bugs] #24601 [Metrics/Website]: CollecTor directory listing apparently breaks when a directory in recent/ runs dry

[Tor Bug Tracker & Wiki]

#24601: CollecTor directory listing apparently breaks when a directory in 
recent/
runs dry
-+--
 Reporter:  karsten  |  Owner:  metrics-team
 Type:  defect   | Status:  closed
 Priority:  Low  |  Milestone:
Component:  Metrics/Website  |Version:
 Severity:  Normal   | Resolution:  worksforme
 Keywords:   |  Actual Points:
Parent ID:   | Points:
 Reviewer:   |Sponsor:
-+--
Changes (by karsten):

 * status:  new => closed
 * resolution:   => worksforme


Comment:

 Alright, I tried to reproduce this issue locally with a modified
 `index.json` file and failed. Let's close this ticket and handle this
 issue if/when it shows up again.

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