redhat-developer / redhat-developer/vscode-xml

Could not find or load main class org.eclipse.lemminx.XMLServerLauncher

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Dominant language
TypeScript
Stars
328
Forks
101
Avg merge
1d 17h
Merged PRs (30d)
7

Description

Type: Bug

Occurs on start, extension does not load...

Error: Could not find or load main class org.eclipse.lemminx.XMLServerLauncher
Caused by: java.lang.ClassNotFoundException: org.eclipse.lemminx.XMLServerLauncher
[Info - 2:22:22 PM] Connection to server got closed. Server will restart.
[Error - 2:22:22 PM] Server initialization failed.
Message: Pending response rejected since connection got disposed
Code: -32097
[Error - 2:22:22 PM] XML Support client: couldn't create connection to server.
Message: Pending response rejected since connection got disposed
Code: -32097
Error: Could not find or load main class org.eclipse.lemminx.XMLServerLauncher
Caused by: java.lang.ClassNotFoundException: org.eclipse.lemminx.XMLServerLauncher
[Info - 2:22:22 PM] Connection to server got closed. Server will restart.
[Error - 2:22:22 PM] Server initialization failed.
Message: Pending response rejected since connection got disposed
Code: -32097
[Error - 2:22:22 PM] XML Support client: couldn't create connection to server.
Message: Pending response rejected since connection got disposed
Code: -32097
Error: Could not find or load main class org.eclipse.lemminx.XMLServerLauncher
Caused by: java.lang.ClassNotFoundException: org.eclipse.lemminx.XMLServerLauncher
[Info - 2:22:24 PM] Connection to server got closed. Server will restart.
[Error - 2:22:24 PM] Server initialization failed.
Message: Pending response rejected since connection got disposed
Code: -32097
[Error - 2:22:24 PM] XML Support client: couldn't create connection to server.
Message: Pending response rejected since connection got disposed
Code: -32097
[Error - 2:22:24 PM] Restarting server failed
Message: Pending response rejected since connection got disposed
Code: -32097
Error: Could not find or load main class org.eclipse.lemminx.XMLServerLauncher
Caused by: java.lang.ClassNotFoundException: org.eclipse.lemminx.XMLServerLauncher
[Info - 2:22:24 PM] Connection to server got closed. Server will restart.
[Error - 2:22:24 PM] Server initialization failed.
Message: Pending response rejected since connection got disposed
Code: -32097
[Error - 2:22:24 PM] XML Support client: couldn't create connection to server.
Message: Pending response rejected since connection got disposed
Code: -32097
[Error - 2:22:24 PM] Restarting server failed
Message: Pending response rejected since connection got disposed
Code: -32097
Error: Could not find or load main class org.eclipse.lemminx.XMLServerLauncher
Caused by: java.lang.ClassNotFoundException: org.eclipse.lemminx.XMLServerLauncher
[Error - 2:22:25 PM] Connection to server got closed. Server will not be restarted.
[Error - 2:22:25 PM] Server initialization failed.
Message: Pending response rejected since connection got disposed
Code: -32097
[Error - 2:22:25 PM] XML Support client: couldn't create connection to server.
Message: Pending response rejected since connection got disposed
Code: -32097
[Error - 2:22:25 PM] Restarting server failed
Message: Pending response rejected since connection got disposed
Code: -32097

Extension version: 0.27.2024111708
VS Code version: Code 1.95.3 (f1a4fb101478ce6ec82fe9627c43efbf9e98c813, 2024-11-13T14:50:04.152Z)
OS version: Windows_NT x64 10.0.22631
Modes:

System Info
Item Value
CPUs 12th Gen Intel(R) Core(TM) i7-1265U (12 x 2688)
GPU Status 2d_canvas: enabled
canvas_oop_rasterization: enabled_on
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: disabled_off
video_decode: enabled
video_encode: enabled
vulkan: disabled_off
webgl: enabled
webgl2: enabled
webgpu: enabled
webnn: disabled_off
Load (avg) undefined
Memory (System) 15.69GB (1.57GB free)
Process Argv
Screen Reader no
VM 0%

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing extension startup on Windows with the reported VS Code and extension versions, then inspect how the extension launches org.eclipse.lemminx.XMLServerLauncher and packages its server artifacts. Done means the XML server starts without the ClassNotFoundException and XML support initializes successfully.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, typescript, vscode
Domain
devtools, tooling
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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