redhat-developer / redhat-developer/vscode-java

couldn't start client language support for java(syntax server)

Open
#2,561 4 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

extension-start
Dominant language
TypeScript
Stars
2.3k
Forks
546
Avg merge
20h 1m
Merged PRs (30d)
11

Description

[provide a description of the issue]

Environment
  • Operating System: macOS monterey 12.4
  • JDK version: openjdk 17.0.2
  • Visual Studio Code version: 1.69.1
  • Java extension version: 1.8.0
Steps To Reproduce
  1. [step 1] open a springboot gradle project
  2. [step 2] the problem appears

[Please attach a sample project reproducing the error]
Please attach logs

toggle developer log:
workbench.desktop.main.js:2272 [[object Object]]Cannot read properties of null (reading 'sendNotification')
$onExtensionRuntimeError @ workbench.desktop.main.js:2272
_doInvokeHandler @ workbench.desktop.main.js:1705
_invokeHandler @ workbench.desktop.main.js:1705
_receiveRequest @ workbench.desktop.main.js:1705
_receiveOneMessage @ workbench.desktop.main.js:1705
(anonymous) @ workbench.desktop.main.js:1705
invoke @ workbench.desktop.main.js:82
deliver @ workbench.desktop.main.js:82
fire @ workbench.desktop.main.js:82
fire @ workbench.desktop.main.js:544
_receiveMessage @ workbench.desktop.main.js:544
(anonymous) @ workbench.desktop.main.js:544
invoke @ workbench.desktop.main.js:82
deliver @ workbench.desktop.main.js:82
fire @ workbench.desktop.main.js:82
acceptChunk @ workbench.desktop.main.js:544
(anonymous) @ workbench.desktop.main.js:544
O @ workbench.desktop.main.js:3173
emit @ node:events:390
addChunk @ node:internal/streams/readable:315
readableAddChunk @ node:internal/streams/readable:289
Readable.push @ node:internal/streams/readable:228
onStreamRead @ node:internal/stream_base_commons:199

workbench.desktop.main.js:2272 TypeError: Cannot read properties of null (reading 'sendNotification')
at didChangeConfiguration (vscode-file://vscode-app/Users/aubryisabel/.vscode/extensions/redhat.java-1.8.0-darwin-arm64/dist/extension.js:2:901545)
at K.onDidChangeConfiguration (vscode-file://vscode-app/Users/aubryisabel/.vscode/extensions/redhat.java-1.8.0-darwin-arm64/dist/extension.js:2:954816)
at K.register (vscode-file://vscode-app/Users/aubryisabel/.vscode/extensions/redhat.java-1.8.0-darwin-arm64/dist/extension.js:2:954202)
at K.initialize (vscode-file://vscode-app/Users/aubryisabel/.vscode/extensions/redhat.java-1.8.0-darwin-arm64/dist/extension.js:2:953951)
at w.initializeFeatures (vscode-file://vscode-app/Users/aubryisabel/.vscode/extensions/redhat.java-1.8.0-darwin-arm64/dist/extension.js:2:977259)
at vscode-file://vscode-app/Users/aubryisabel/.vscode/extensions/redhat.java-1.8.0-darwin-arm64/dist/extension.js:2:968586
$onExtensionRuntimeError @ workbench.desktop.main.js:2272
_doInvokeHandler @ workbench.desktop.main.js:1705
_invokeHandler @ workbench.desktop.main.js:1705
_receiveRequest @ workbench.desktop.main.js:1705
_receiveOneMessage @ workbench.desktop.main.js:1705
(anonymous) @ workbench.desktop.main.js:1705
invoke @ workbench.desktop.main.js:82
deliver @ workbench.desktop.main.js:82
fire @ workbench.desktop.main.js:82
fire @ workbench.desktop.main.js:544
_receiveMessage @ workbench.desktop.main.js:544
(anonymous) @ workbench.desktop.main.js:544
invoke @ workbench.desktop.main.js:82
deliver @ workbench.desktop.main.js:82
fire @ workbench.desktop.main.js:82
acceptChunk @ workbench.desktop.main.js:544
(anonymous) @ workbench.desktop.main.js:544
O @ workbench.desktop.main.js:3173
emit @ node:events:390
addChunk @ node:internal/streams/readable:315
readableAddChunk @ node:internal/streams/readable:289
Readable.push @ node:internal/streams/readable:228
onStreamRead @ node:internal/stream_base_commons:199

client.log
{
message: "Failed to initialize Language Support for Java (Syntax Server) due to TypeError: Cannot read properties of null (reading 'sendNotification')",
level: 'error',
timestamp: '2022-07-13 20:10:08.924'
}
{
message: "Failed to initialize Language Support for Java (Syntax Server) due to TypeError: Cannot read properties of null (reading 'sendNotification')",
level: 'error',
timestamp: '2022-07-13 20:10:08.925'
}
{
message: "Failed to initialize Language Support for Java (Syntax Server) due to TypeError: Cannot read properties of null (reading 'sendNotification')",
level: 'error',
timestamp: '2022-07-13 20:10:08.925'
}

Current Result
Expected Result
Additional Informations

my MacBook Pro will be so hot and slow when open language support for java extention runtime status

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 from the didChangeConfiguration stack trace in the extension runtime and reproduce it by opening a Spring Boot Gradle project with the listed VS Code, JDK, and extension versions. Use the client.log and developer log to trace why the Java syntax server initialization reaches a null sendNotification call; done means Java language support starts without the TypeError.

Written by the indexing model from the issue text.

Assessment

Tech stack
java, typescript
Domain
devtools
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.