micwoj92 [1] filed a deletion request for libmatthew-java [2]: When using jdk 8 gives error: /home/micwoj92/Desktop/test_xd/libmatthew-java/src/libmatthew- java-0.8.1/build.xml:31: This package requires Java 5, 6 or 7. and when using 7: Exception in thread "main" java.lang.UnsupportedClassVersionError: org/apache/tools/ant/launch/Launcher : Unsupported major.minor version 52.0 Same applies to 0.8.1 which i tried to unsuccessfully build. [1] https://aur.archlinux.org/account/micwoj92/ [2] https://aur.archlinux.org/pkgbase/libmatthew-java/