On Fri, 14 Jan 2022 10:04:53 GMT, Thomas Stuefe <stu...@openjdk.org> wrote:
> Very trivial fix to a handle/memory leak. > > JDK-8215624 added parallel heap iteration to both `jmap -histo` and `jcmd > GC.class_histogram`. When called with an explicit file and an invalid > argument for number of threads, it leaks the file (bit of memory and a > handle). > > Reproduce with: > > `jmap -histo:parallel=notanumber,file=xx.txt` > > Can only be reproduced with jmap. jcmd is safe, arguments are handled > correctly in shared code. This is not as trivial, AFAICS. Note that the existing code `delete fs` after checking `if (os != NULL && os != out)`. Does it mean this patch can effectively `delete out`? ------------- PR: https://git.openjdk.java.net/jdk/pull/7078