On Fri, 18 Feb 2022 15:29:34 GMT, Roger Riggs <rri...@openjdk.org> wrote:
> In some Linux configurations, the Linux home directory provided by getpwent > is not usable. > The value of the system property `user.home` should fallback to the value of > $HOME > if getpwent.user_home is null or less that 2 characters long. "/" is not a > valid home directory name. > > If $HOME is undefined or empty, the value of the getpwent.user_home is > retained. > > There are more details in the Jira issue: > https://bugs.openjdk.java.net/browse/JDK-8280357 > > The fix has been tested manually on Ubuntu 20.0.4 using the suggested systemd > command line and variations. src/java.base/unix/native/libjava/java_props_md.c line 498: > 496: if ((user_home != NULL) && (user_home[0] != '\0')) { > 497: sprops.user_home = user_home; > 498: } Is there any possibility where `user.home` is not initialized, and later causes SEGV or NPE? I just wonder the previous version always init to `?` which is odd, but guaranteed not to cause those errors. ------------- PR: https://git.openjdk.java.net/jdk/pull/7534
