Sorry about that. I introduced this update because I got test failures. After updating I did not experience the failure even after several rebuilds, but the earlier version failed consistently. I did not think, that the failure is not deterministic. I will reopen this github issue then: https://github.com/Boskovits/guix/issues/57 2018-01-23 9:06 GMT+01:00 Chris Marusich : > Gábor Boskovits writes: > > > * gnu/packages/java.scm (java-jeromq): Update to 0.4.3. > > Unfortunately, when this patch is applied to commit > f3cd6633ce7348fb92735d6cd708bdc8b3b063ee (the current tip of > core-updates), the "check" phase of the build fails. Actually, it fails > even before the patch, so you this change doesn't break it. > > The failures are not deterministic. Various classes fail, and it's not > always the same one every time. I briefly looked at the failures, and I > couldn't make much sense of it. I think there are two avenues of > investigation: > > 1) Git bisect to find out which commit introduced the break. > > 2) Report the failure(s) upstream. > > -- > Chris >