[metrics-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:
-----------------------------+------------------------------
Changes (by irl):

 * status:  needs_review => merge_ready


Comment:

 The two commits look good, all the versions match up with what I see as
 the versions in Debian stable.

 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.

 The installed paths look like:

 {{{
 /usr/share/java/asm4-5.0.4.jar
 /usr/share/java/asm4-analysis-5.0.4.jar
 /usr/share/java/asm4-commons-5.0.4.jar
 /usr/share/java/asm4-tree-5.0.4.jar
 /usr/share/java/asm4-util-5.0.4.jar
 /usr/share/java/checkstyle-8.15.jar
 /usr/share/java/cobertura-annotations-api-2.1.1.jar
 /usr/share/java/commons-codec-1.11.jar
 /usr/share/java/commons-compress-1.18.jar
 /usr/share/java/commons-lang3-3.8.jar
 /usr/share/java/hamcrest-all-1.3.jar
 /usr/share/java/jackson-annotations-2.9.8.jar
 /usr/share/java/jackson-core-2.9.8.jar
 /usr/share/java/jackson-databind-2.9.8.jar
 /usr/share/java/junit4-4.12.jar
 /usr/share/java/logback-classic-1.2.3.jar
 /usr/share/java/logback-core-1.2.3.jar
 /usr/share/java/oro-2.0.8.jar
 /usr/share/java/slf4j-api-1.7.25.jar
 /usr/share/java/xz-1.8.jar
 }}}

 and then I just symlink these into the lib directory.

 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.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/31194#comment:2>
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