[tor-bugs] #31194 [Metrics/Library]: Upgrade metrics-lib to Debian buster libraries

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#31194: Upgrade metrics-lib to Debian buster libraries
-----------------------------+------------------------------
 Reporter:  karsten          |          Owner:  metrics-team
     Type:  enhancement      |         Status:  merge_ready
 Priority:  Medium           |      Milestone:
Component:  Metrics/Library  |        Version:
 Severity:  Normal           |     Resolution:
 Keywords:                   |  Actual Points:
Parent ID:  #31193           |         Points:
 Reviewer:  irl              |        Sponsor:
-----------------------------+------------------------------

Comment (by karsten):

 Replying to [comment:2 irl]:
 > The two commits look good, all the versions match up with what I see as
 the versions in Debian stable.

 Okay, great, I'll move forward with upgrading our other code bases then.

 > The jar for cobertura looks like it is called "cobertura-annotations-
 api-2.1.1.jar" but I've never actually got that to work so I don't know if
 that's the same jar or not.

 Hmm, I can see two .jar files in the
 [https://packages.debian.org/buster/all/libcobertura-java/filelist
 `libcobertura-java` package]. Why do you think that we need this one, not
 the other?

 And why did you never get that to work? Does `ant coverage` not generate a
 report at `generated/coverage-report/index.html` for you?

 > The installed paths look like:
 >
 > [...]
 >
 > and then I just symlink these into the lib directory.

 That should work, yes.

 > I had a go at using the latest checkstyle, but I also hit the same
 "unable to create root module" error. That might need more digging than we
 have time for right now.

 Let's tackle this one in the other ticket and close this ticket as soon as
 we have resolved the Cobertura questions above.

--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31194#comment:3>
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