redhat-developer / redhat-developer/vscode-xml
XML Language Server Crashes Due to an Out Of Memory Error
Nobody has claimed this yet.
- Dominant language
- TypeScript
- Stars
- 328
- Forks
- 101
- Avg merge
- 1d 17h
- Merged PRs (30d)
- 7
Description
WHen I start VSCode after the latest update, XML Server crashes. Full Output text from "XML Support":
[Info - 10:40:14 AM] Oct 10, 2025 10:40:14 org.eclipse.lemminx.XMLLanguageServer initialize()
Message: Initializing XML Language server
LemMinX Server info:
- Version : 0.31.0
- Java : C:\Program Files\Java\jdk-21
- VM Version : 21.0.8
- Git de7f529 - [maven-release-plugin] prepare release 0.31.0
[Info - 10:40:37 AM] Oct 10, 2025 10:40:36 org.eclipse.lemminx.extensions.contentmodel.uriresolver.XMLCatalogResolverExtension setCatalogs()
Message: Adding XML catalog 'c:\Users<snipped>.vscode\extensions\salesforce.salesforcedx-vscode-core-64.17.2\resources\metadata-catalog.xml' with expand system id 'file:///c:/Users//.vscode/extensions/salesforce.salesforcedx-vscode-core-64.17.2/resources/metadata-catalog.xml' and root URI 'file:///c%3A/Users//Documents/newITBatch/'.
[Info - 10:40:37 AM] Oct 10, 2025 10:40:36 org.eclipse.lemminx.extensions.contentmodel.uriresolver.XMLCatalogResolverExtension setCatalogs()
Message: Adding XML catalog 'c:\Users<snipped>.vscode\extensions\salesforce.salesforcedx-vscode-lwc-64.17.2\resources\static\js-meta-home.xml' with expand system id 'file:///c:/Users//.vscode/extensions/salesforce.salesforcedx-vscode-lwc-64.17.2/resources/static/js-meta-home.xml' and root URI 'file:///c%3A/Users//Documents/newITBatch/'.
[Error - 10:40:40 AM] Connection to server got closed. Server will not be restarted.
VSCode About:
Version: 1.105.0 (user setup)
Commit: 03c265b1adee71ac88f833e065f7bb956b60550a
Date: 2025-10-08T14:09:35.891Z
Electron: 37.6.0
ElectronBuildId: 12502201
Chromium: 138.0.7204.251
Node.js: 22.19.0
V8: 13.8.258.32-electron.0
OS: Windows_NT arm64 10.0.26100
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
No source files, tests, or entry points are named. Start by reproducing the failure in VSCode with the XML Support extension and inspect the LemMinX initialization and XML catalog-loading messages; done means identifying the out-of-memory cause and confirming that the language server remains connected during startup.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java, typescript, vscode
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100