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Re: [tor-bugs] #19771 [Metrics/CollecTor]: investigate halt of scheduling for one of many tasks in collector's scheduler

#19771: investigate halt of scheduling for one of many tasks in collector's
scheduler
-------------------------------+---------------------------------
 Reporter:  iwakeh             |          Owner:  iwakeh
     Type:  defect             |         Status:  needs_review
 Priority:  High               |      Milestone:  CollecTor 1.0.0
Component:  Metrics/CollecTor  |        Version:
 Severity:  Normal             |     Resolution:
 Keywords:                     |  Actual Points:
Parent ID:                     |         Points:
 Reviewer:                     |        Sponsor:
-------------------------------+---------------------------------
Changes (by iwakeh):

 * priority:  Medium => High
 * status:  assigned => needs_review


Comment:

 Added a test that reproduces the issue and a solution patch.
 The problem occurs when a `java.lang.Error` is thrown.  Now, `Throwable`
 is caught in `CollecTorMain.run` and the error is logged.

 Usually, `Error`s pose a serious problem; so there should be a note in the
 Operator guide about monitoring logs.  (added this to #18734)

 Please review the
 [https://gitweb.torproject.org/user/iwakeh/collector.git/commit/?h=task-19771&id=c8903b445e26f80cf3d2942ae3b28d1e8facb1c4
 patch branch].

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/19771#comment:2>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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