On 02/04/2018 22:50, Alexander Miloslavskiy wrote:
The problem in this bug is that jimage file is mistakenly opened with
"inherit by child processes" flag. In our case, the child process is
started with Runtime.exec() and serves as updater that can also
replace embedded JRE. However, due to jimage ("lib/modules") file
handle being inherited, embedded JRE can not be replaced.
The bug was introduced in commits "8087181: Move native jimage code to
its own library (maybe libjimage)"
cc'ing Jim Laskey as he recently picked up JDK-8194734.
The update to osSupport_Windows.cpp looks okay. I think it would be
useful to discuss the osSupport_unix.cpp change further as the childproc
code is supported to close the file descriptors. Martin might know about