What to get right when launching external processes from Java on JDK 25 and Linux 6.x: draining stdout and stderr, closing stdin, timeouts, termination policy, and cleaning up descendants with process groups or cgroups. Compares zt-exec and Apache Commons Exec, and explains the default posix_spawn launch mechanism, the cost of FORK on large heaps, and the removal of VFORK.
Continue Reading
Benelog Tech Notes