https://bz.apache.org/bugzilla/show_bug.cgi?id=64733
--- Comment #6 from Michael Seele <mse...@guh-software.de> --- We are using Adoptopenjdk 8 & 11 to run around 1.600 tests per run with mutliple runs on vm's overnight. Every night i get around a dozen of these "deadlock exceptions" (that happen after the deadlock fix). Might depend on JVM or computer power, but the code can only lead to a deadlock when an IOException is thrown because PipedOutputStream & PipedInputStream are used in a single thread, -- You are receiving this mail because: You are the assignee for the bug.