jna.src: W: source-or-patch-not-bzipped 3.5.2.tar.gz
A source archive or patch in your package is not bzipped (doesn't have the
.bz2 extension). Files bigger than 100k should be bzip2'ed in order to save
space. To bzip2 a patch, use bzip2. To bzip2 a source tarball, use bznew

jna.x86_64: W: useless-explicit-requires jpackage-utils
jna.x86_64: W: useless-explicit-requires jpackage-utils
This package requires 2 times the same capacity. It should only require it
once.

jna.x86_64: W: wrong-file-end-of-line-encoding /usr/share/doc/packages/jna/CHANGES.md
jna.x86_64: W: wrong-file-end-of-line-encoding /usr/share/doc/packages/jna/OTHERS
This file has wrong end-of-line encoding, usually caused by creation or
modification on a non-Unix system. It could prevent it from being displayed
correctly in some circumstances.

4 packages and 0 specfiles checked; 0 errors, 5 warnings.