Package: openjdk-9-jdk Version: 9~b107-1 Running with a clean experimental chroot, openjdk-9-jdk has a file conflict with openjdk-9-jdk-headless (9~b107-1).
Here is the truncated output of "apt-get install openjdk-9-jdk": Unpacking openjdk-9-jdk:amd64 (9~b107-1) ... dpkg: error processing archive /var/cache/apt/archives/openjdk-9-jdk_9~b107-1_amd64.deb (--unpack): trying to overwrite '/usr/lib/jvm/java-9-openjdk-amd64/include/jawt.h', which is also in package openjdk-9-jdk-headless:amd64 9~b107-1 https://piuparts.debian.org/experimental/fail/openjdk-9-jdk_9~b107-1.log Thanks, Joe Ferguson