On Wed, 23 Feb 2022 21:51:50 GMT, Roger Riggs <[email protected]> wrote:
>> 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.
>
> I can't imagine it not being set. But it is easier to track down the source
> of a "?" than the source of null.
> I thought of changing from "?" to "UNKNOWN" or "NOHOMEDIR" or something but
> it seems quite remote
> after adding the fallback to $HOME.
Another option is an empty string `""`, but I don't have a strong preference if
it won't throw any errors.
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PR: https://git.openjdk.java.net/jdk/pull/7534
