bug#62332: error: java-eclipse-aether-Api: unbound variable

[Matthew James Kraai <kraai@ftbfs.org>]

Hi,

When I run `guix pull`, it displays the following output:

```
Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'...
Authenticating channel 'guix', commits 9edb3f6 to 38b64d4 (48 new commits)...
Building from this channel:
  guix      https://git.savannah.gnu.org/git/guix.git	38b64d4
substitute: updating substitutes from 'https://substitutes.nonguix.org'... 100.0%
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
substitute: updating substitutes from 'https://bordeaux.guix.gnu.org'... 100.0%
building /gnu/store/qmaxdq9qd8nnyig9qs55bv5ddbqss7d3-compute-guix-derivation.drv...
Computing Guix derivation for 'x86_64-linux'... |Backtrace:
In ice-9/boot-9.scm:
   222:29 19 (map1 (((gnu packages java-compression)) ((gnu packages java-xml)) ((gnu packages libffi)) ((gnu # ?)) ?))
   222:29 18 (map1 (((gnu packages java-xml)) ((gnu packages libffi)) ((gnu packages linux)) ((gnu packages #)) (#) ?))
   222:29 17 (map1 (((gnu packages libffi)) ((gnu packages linux)) ((gnu packages maths)) ((gnu packages maven)) # ?))
   222:29 16 (map1 (((gnu packages linux)) ((gnu packages maths)) ((gnu packages maven)) ((gnu packages #)) ((# ?)) ?))
   222:29 15 (map1 (((gnu packages maths)) ((gnu packages maven)) ((gnu packages maven-parent-pom)) ((gnu # #)) (#) ?))
   222:17 14 (map1 (((gnu packages maven)) ((gnu packages maven-parent-pom)) ((gnu packages ncurses)) ((gnu # #)) # ?))
  3326:17 13 (resolve-interface (gnu packages maven) #:select _ #:hide _ #:prefix _ #:renamer _ #:version _)
In ice-9/threads.scm:
    390:8 12 (_ _)
In ice-9/boot-9.scm:
  3252:13 11 (_)
In ice-9/threads.scm:
    390:8 10 (_ _)
In ice-9/boot-9.scm:
  3536:20  9 (_)
   2835:4  8 (save-module-excursion #<procedure 7ff1f8b574e0 at ice-9/boot-9.scm:3537:21 ()>)
  3556:26  7 (_)
In unknown file:
           6 (primitive-load-path "gnu/packages/maven" #<procedure 7ff1f4d886e0 at ice-9/boot-9.scm:3543:37 ()>)
In ice-9/eval.scm:
    619:8  5 (_ #f)
   626:19  4 (_ #<directory (gnu packages maven) 7ff1f888ae60>)
   173:55  3 (_ #(#(#(#(#(#<directory (gnu packages maven) 7ff1f888ae60> "java-eclipse-aether-test-util") #) #) #) #))
    159:9  2 (_ #(#(#(#(#(#<directory (gnu packages maven) 7ff1f888ae60> "java-eclipse-aether-test-util") #) #) #) #))
   223:20  1 (proc #(#(#(#(#(#<directory (gnu packages maven) 7ff1f888ae60> "java-eclipse-aether-test-?") #) #) #) #))
In unknown file:
           0 (%resolve-variable (7 . java-eclipse-aether-Api) #<directory (gnu packages maven) 7ff1f888ae60>)

ERROR: In procedure %resolve-variable:
error: java-eclipse-aether-Api: unbound variable
guix pull: error: You found a bug: the program '/gnu/store/3ibvvz7wnwxsayssdyb1rbyagx3zd9wh-compute-guix-derivation'
failed to compute the derivation for Guix (version: "38b64d47ed3dfaeb63b859e7a8834e477ffed3a1"; system: "x86_64-linux";
host version: "4f4e4abd3ac3552cbf8596a50b5dade8d111571f"; pull-version: 1).
Please report the COMPLETE output above by email to <bug-guix@gnu.org>.
```

This has been happening for some days.  Is there a way to resolve this?

-- 
Matt