PojavLauncherTeam/PojavLauncher

[BUG] No sound in alpha 1.0.4, betacraft java arguments don't work

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#6,690 opened on Mar 3, 2025

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bughelp wantedknown issuewell written

Description

Describe the bug

I'm trying to play alpha 1.0.4, however, no sound is playing. I've had this issue with other launchers, so I tried to insert the Java arguments for Betacraft:

(-Dhttp.proxyHost=[betacraft.uk](https://betacraft.uk) -Dhttp.proxyPort=11705 -Djava.util.Arrays.useLegacyMergeSort=true)

But they simply don't work. Have I inserted the wrong arguments?

The log file and images/videos

latestlog.txt

Steps To Reproduce

1. Start Pojav launcher 
2. Load up alpha 1.0.4
3. No sound

Expected Behavior

I honestly expected sound not to work, but I'm surprised the Java arguments didn't fix it.

Platform

- Device model: Google Pixel 8

- CPU architecture: Nona-core (1x3.0 GHz Cortex-X3 & 4x2.45 GHz Cortex-A715 & 4x2.15 GHz Cortex-A510)

- Android version: 15

- PojavLauncher version: version dahlia-260-ff1db3127-v3_openjdk
net.kdt.pojavlaunch

Anything else?

No response

Contributor guide

Tech stack
javaandroid
Domain
mobile
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
mostly clear
Prerequisites
JavaAndroidAudio debugging
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
35
Research direction
Examine the attached latestlog.txt for audio related errors. Investigate how PojavLauncher passes Java arguments to the Minecraft process, focusing on the proxy and merge sort settings. Check if the sound issue is specific to alpha 1.0.4 or affects other versions. Look at the audio driver implementation in the launcher's source code.