I am using yocto krogoth, I have added meta-java in using toaster then its giving below error.
ParseError at /home/siva/yocto/toaster/poky/_toaster_clones/_git___git.yoctoproject.org_meta-java_krogoth/recipes-core/jikes/jikes_1.22.bb:12: Could not inherit file classes/relative_symlinks.bbclass
Down load the file from the link relative_synlinks.bbclass and copy in your meta-java/classes dir