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Hi Christopher and Kevin,</div>
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I was able to reproduce this issue with FXMediaPlayer and MP3 file when playing via JRT protocol on macOS 26.1 aarch64. Not sure if it is reproducible on x64.</div>
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<div dir="ltr"><span style="background-color: rgb(255, 255, 255);">Christopher, do you want to file a bug report for it? Or I can file it myself.</span></div>
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<span style="background-color: rgb(255, 255, 255);">Thanks,</span></div>
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<span style="background-color: rgb(255, 255, 255);">Alexander</span></div>
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Confidential- Oracle Internal<br>
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From: </b>openjfx-dev <openjfx-dev-retn@openjdk.org> on behalf of Kevin Rushforth <kevin.rushforth@oracle.com><br>
<b>Date: </b>Tuesday, November 25, 2025 at 8:25 AM<br>
<b>To: </b>Christopher Schnick <crschnick@xpipe.io>, openjfx-dev@openjdk.org <openjfx-dev@openjdk.org><br>
<b>Subject: </b>Re: Crash on macOS 26 when playing music file<br>
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<div class="PlainText" style="font-size: 11pt;">I was able to play that media file with no problem on macOS 26.1 using<br>
the tests/manual/media/FXMediaPlayer app in the FX repo. I didn't try<br>
with your application.<br>
<br>
I can see from the hs_err log you attached, that it is crashing in our<br>
libjfxmedia_avf library in a callback from CoreFoundation.<br>
<br>
I was running JDK 25.0.1 and I tried the latest mainline JavaFX (26 ea)<br>
as well as JavaFX 25.0.1. Can you confirm the exact versions of JDK 25<br>
and JavaFX 25 you were running?<br>
<br>
-- Kevin<br>
<br>
<br>
On 11/25/2025 5:07 AM, Christopher Schnick wrote:<br>
> Hello, I encountered a reproducible crash when playing a music file<br>
> with MediaPlayer. This does not occur on older versions of the app<br>
> using an older JDK+JavaFX version on macOS 26.<br>
><br>
> It crashes with JDK25 and JavaFX 25 for me. Attached is the crash log.<br>
><br>
> I have not tested this in an isolated reproducer, but I don't see how<br>
> any of my application logic can influence this. If it does not happen<br>
> in an isolated manner, I can investigate what specific changes cause<br>
> it to crash. The music file I tested with is from<br>
> <a href="https://github.com/mkpaz/atlantafx/blob/master/sampler/src/main/resources/atlantafx/sampler/media/Beat%20Thee.mp3" data-outlook-id="daad5d18-faf9-49fa-9017-80bd7c19aa92">
https://github.com/mkpaz/atlantafx/blob/master/sampler/src/main/resources/atlantafx/sampler/media/Beat%20Thee.mp3</a><br>
> . The project to reproduce the crash is<br>
> <a href="https://github.com/xpipe-io/kickstartfx" data-outlook-id="05f07288-9bd4-4a82-b225-9cc1044d00b9">
https://github.com/xpipe-io/kickstartfx</a>, where you just have to select<br>
> the music player and click on play sample.<br>
><br>
> Best<br>
> Christopher Schnick<br>
><br>
> P.S. There is still a message I sent a few days ago in the mailing<br>
> list moderation queue because it was larger than the maximum allowed<br>
> attachment size<br>
><br>
><br>
<br>
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