On Thu, 12 Sep 2024 21:56:10 GMT, Justin Lu <j...@openjdk.org> wrote:

> Please review this PR which restores the correct exception message when the 
> current working directory can not be found during java startup in 
> `initPhase1`.
> 
> Both MacOS and Linux are expected to fail with `java.lang.Error: Properties 
> init: Could not determine current working directory` if the _user.dir_ system 
> property cannot be initialized. Currently, MacOS now fails with 
> `java.lang.InternalError: platform encoding not initialized` and Linux fails 
> with  `java.lang.InternalError: null property: user.dir` which are both 
> unexpected messages. 
> 
> In `System.c`, 
> `Java_jdk_internal_util_SystemProps_00024Raw_platformProperties` calls 
> `GetJavaProperties(JNIEnv *env)` which throws an internal error (with an 
> appropriate message) for Unix platforms when the current working directory 
> cannot be found. However, this exception is never checked and thus unexpected 
> failures occur later. NULL should be returned after the exception is thrown, 
> so that the initialization fails with the expected error when the return 
> value is checked.
> 
> 
>     // Get the platform specific values
>     sprops = GetJavaProperties(env);
>     CHECK_NULL_RETURN(sprops, NULL);
> 
> 
> Testing done locally on both platforms.

This pull request has now been integrated.

Changeset: 65b9abaa
Author:    Justin Lu <j...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/65b9abaa29eb9fe801b650ce787d98c31770a5dc
Stats:     7 lines in 1 file changed: 3 ins; 0 del; 4 mod

8339769: Incorrect error message during startup if working directory does not 
exist

Reviewed-by: naoto, dholmes, alanb

-------------

PR: https://git.openjdk.org/jdk/pull/20975

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