redhat-developer / redhat-developer/vscode-java
Antigravity: can not start Java app via Run and Debug
Nobody has claimed this yet.
- Dominant language
- TypeScript
- Stars
- 2.3k
- Forks
- 546
- Avg merge
- 20h 1m
- Merged PRs (30d)
- 11
Description
Type: Bug
No delegateCommandHandler for vscode.java.validateLaunchConfig in VS Code no errors
Extension version: 1.13.2022102814
Antigravity version: Antigravity 1.107.0 (d2597a5c475647ed306b22de1e39853c7812d07d, 2026-02-26T23:07:23.202Z)
OS version: Darwin arm64 24.4.0
Modes:
System Info
| Item | Value |
|---|---|
| CPUs | Apple M1 Max (10 x 2400) |
| GPU Status | 2d_canvas: enabled direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok skia_graphite: enabled_on trees_in_viz: disabled_off video_decode: enabled video_encode: enabled webgl: enabled webgl2: enabled webgpu: enabled webnn: disabled_off |
| Load (avg) | 25, 18, 15 |
| Memory (System) | 32.00GB (0.11GB free) |
| Process Argv | |
| Screen Reader | no |
| VM | 0% |
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the Java app launch through Run and Debug in Antigravity and inspect the reported vscode.java.validateLaunchConfig error. Compare the behavior with VS Code and the Java extension version listed in the issue; the work is done when launch validation succeeds and the app starts without the delegateCommandHandler error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, typescript
- Domain
- developer-experience, devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 38/100