On Mon, 29 Apr 2024 11:44:50 GMT, Jan Lahoda <[email protected]> wrote:
> Consider code like:
>
> public class ConsoleTest {
> public static void main(String... args) {
> System.console().printf("Hello!");
> }
> }
>
>
> When run as:
>
> $ java ConsoleTest.java >/dev/null
>
>
> it prints `Hello!` to stderr, instead of to stdout (where it would be
> redirected).
>
> The proposed fix is to simply force the use of stdout. Sadly, this cannot be
> done solely using JLine configuration, we actually need to change the JLine's
> code for that.
>
> The most tricky part is a test. There are two sub-tests, one effectively
> testing a case where all of stdin/out/err are redirected, the other is
> attempting to test the case where stdin is attached to a terminal, while
> stdout is redirected. The second sub-test using a native functions to create
> a pty and to attach to it, and should run in a separate VM, as it leaves the
> VM attached to the terminal.
This pull request has now been integrated.
Changeset: f1509e00
Author: Jan Lahoda <[email protected]>
URL:
https://git.openjdk.org/jdk/commit/f1509e007d1538acfb1749f7fafc56be2affd2e6
Stats: 183 lines in 3 files changed: 180 ins; 0 del; 3 mod
8330998: System.console() writes to stderr when stdout is redirected
Reviewed-by: naoto
-------------
PR: https://git.openjdk.org/jdk/pull/18996
