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[ServerErrors][TypeScript] main vs  #64623

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Open
[ServerErrors][TypeScript] main vs #64623
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iisaduan
Labels
BugA bug in TypeScript
Milestone
TypeScript 7.1.1 RC

Description

@typescript-automation
typescript-automation
bot
opened on Oct 3, 2026

The following errors were reported by main
Pipeline that generated this bug
Logs for the pipeline run
File that generated the pipeline

This run considered 300 popular TS repos from GH (after skipping the top 0).

Successfully analyzed 111 of 300 visited repos
Outcome Count
Detected interesting changes 4
Detected no interesting changes 107
Git clone failed 5
Timeout 163
Unknown failure 21

Seed: O>8y1*Vr[qLHo.Wkf8%N

Activity

  1. typescript-automation commented on Oct 3, 2026

    @typescript-automation
    typescript-automationbot
    on Oct 3, 2026 – with TypeScript Automation
    ContributorAuthor

    panic handling request workspace/symbol: runtime error: invalid memory address or nil pointer dereference

    workspace/symbol
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).recover(0x30ee43bb6e08, 0x30ee8d026840)
github.com/microsoft/TypeScript/tsc/internal/compiler.(*Program).SourceFiles(...)
github.com/microsoft/TypeScript/tsc/internal/ls.ProvideWorkspaceSymbols({_, _}, {_, _, _}, _, {{{0x0, 0x2, 0x4, 0x2, ...}, ...}, ...}, ...)
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).handleWorkspaceSymbol.func1(0x30eeaa84b980?, {0x30ee43c5d908?, 0x0?, 0x0?})
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).handleWorkspaceSymbol.func3(0x30ee792c1608)
github.com/microsoft/TypeScript/tsc/internal/project.(*Session).WithSnapshotLoadingProjectTree(0x30ee43cb2008, {0x1be1658, 0x30eef37e9620}, 0x0, 0x30ee43c5dc60)
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).handleWorkspaceSymbol(0x30ee8d026840?, {0x1be1658?, 0x30eef37e9620?}, 0x30ee43c90080?, 0x30ee43c98580?)
github.com/microsoft/TypeScript/tsc/internal/lsp.handlerMap.registerRequestHandler[...].1({0x1be1658, 0x30eef37e9620}, 0x30ee8d026840)
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).handleRequestOrNotification(0x30ee43bb6e08, {0x1be1690?, 0x30ee783d2e60?}, 0x30ee8d026840)
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).dispatchLoop(0x30ee43bb6e08, {0x1be1690?, 0x30ee43b16500?})
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).Run.func1()

    Affected repos

    ChromeDevTools/chrome-devtools-mcp Raw error text: RepoResults2/ChromeDevTools.chrome-devtools-mcp.rawError.txt in the artifact folder
    Replay commands: RepoResults2/ChromeDevTools.chrome-devtools-mcp.replay.txt in the artifact folder

    Old server result

    The old server completed successfully for this repo.

    Last few requests

    {"kind":"notification","method":"textDocument/didOpen","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/third_party/devtools-frontend/front_end/third_party/puppeteer/package/lib/puppeteer/common/PierceQueryHandler.js","languageId":"javascript","version":3755,"text":"/**\n * @license\n * Copyright 2023 Google Inc.\n * SPDX-License-Identifier: Apache-2.0\n */\nimport { QueryHandler } from './QueryHandler.js';\n/**\n * @internal\n */\nexport class PierceQueryHandler extends QueryHandler {\n    static querySelector = (element, selector, { pierceQuerySelector }) => {\n        return pierceQuerySelector(element, selector);\n    };\n    static querySelectorAll = (element, selector, { pierceQuerySelectorAll }) => {\n        return pierceQuerySelectorAll(element, selector);\n    };\n}\n//# sourceMappingURL=PierceQueryHandler.js.map"}}}
{"kind":"request","method":"textDocument/foldingRange","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/third_party/devtools-frontend/front_end/third_party/puppeteer/package/lib/puppeteer/common/PierceQueryHandler.js"}}}
{"kind":"request","method":"textDocument/documentSymbol","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/third_party/devtools-frontend/front_end/third_party/puppeteer/package/lib/puppeteer/common/PierceQueryHandler.js"}}}
{"kind":"request","method":"workspace/symbol","params":{"query":"a"}}

    Repro steps

    #!/bin/bash

git clone https://github.com/ChromeDevTools/chrome-devtools-mcp --recurse-submodules
git -C "./chrome-devtools-mcp" reset --hard b2f522c8ba0fd2e00a679159b4aa5243de5f1b78
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/169176/artifacts?artifactName=RepoResults2&api-version=7.0" | jq -r ".resource.downloadUrl")
wget -O RepoResults2.zip "$downloadUrl"
unzip -p RepoResults2.zip RepoResults2/ChromeDevTools.chrome-devtools-mcp.replay.txt > ChromeDevTools.chrome-devtools-mcp.replay.txt
npm install --no-save @typescript/server-replay

    To run the repro, use the "Launch replay test" launch configuration in your local copy of native TypeScript.

  2. typescript-automation commented on Oct 3, 2026

    @typescript-automation
    typescript-automationbot
    on Oct 3, 2026 – with TypeScript Automation
    ContributorAuthor

    Server connection closed prematurely: undefined

    unknown
Server connection closed prematurely: undefined

    Affected repos

    openclaw/openclaw Raw error text: RepoResults1/openclaw.openclaw.rawError.txt in the artifact folder
    Replay commands: RepoResults1/openclaw.openclaw.replay.txt in the artifact folder

    Old server result

    The old server completed successfully for this repo.

    Last few requests

    {"kind":"request","method":"textDocument/prepareCallHierarchy","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/ui/src/test-helpers/control-ui-workboard-progress-fixtures.ts"},"position":{"line":42,"character":35}}}
{"kind":"notification","method":"textDocument/didChange","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/ui/src/test-helpers/control-ui-workboard-progress-fixtures.ts","version":21},"contentChanges":[{"range":{"start":{"line":44,"character":34},"end":{"line":44,"character":34}},"text":"."}]}}
{"kind":"request","method":"textDocument/implementation","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/ui/src/test-helpers/control-ui-workboard-progress-fixtures.ts"},"position":{"line":48,"character":0}}}
{"kind":"request","method":"textDocument/completion","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/ui/src/test-helpers/control-ui-workboard-progress-fixtures.ts"},"position":{"line":50,"character":26},"context":{"triggerKind":1}}}

    Repro steps

    #!/bin/bash

git clone https://github.com/openclaw/openclaw --recurse-submodules
git -C "./openclaw" reset --hard b80b4d0b579568457b582f44e061b9b923649bc9
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/169176/artifacts?artifactName=RepoResults1&api-version=7.0" | jq -r ".resource.downloadUrl")
wget -O RepoResults1.zip "$downloadUrl"
unzip -p RepoResults1.zip RepoResults1/openclaw.openclaw.replay.txt > openclaw.openclaw.replay.txt
npm install --no-save @typescript/server-replay
# Install the repro project's packages
npx tsreplay install ./openclaw

    To run the repro, use the "Launch replay test" launch configuration in your local copy of native TypeScript.

    n8n-io/n8n Raw error text: RepoResults1/n8n-io.n8n.rawError.txt in the artifact folder
    Replay commands: RepoResults1/n8n-io.n8n.replay.txt in the artifact folder

    Old server result

    The old server completed successfully for this repo.

    Last few requests

    {"kind":"notification","method":"textDocument/didChange","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/packages/nodes-base/nodes/Zammad/descriptions/OrganizationDescription.ts","version":592},"contentChanges":[{"range":{"start":{"line":256,"character":8},"end":{"line":256,"character":8}},"text":"r"}]}}
{"kind":"request","method":"custom/textDocument/sourceDefinition","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/packages/nodes-base/nodes/Zammad/descriptions/OrganizationDescription.ts"},"position":{"line":271,"character":13}}}
{"kind":"notification","method":"textDocument/didChange","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/packages/nodes-base/nodes/Zammad/descriptions/OrganizationDescription.ts","version":593},"contentChanges":[{"range":{"start":{"line":275,"character":30},"end":{"line":275,"character":30}},"text":"."}]}}
{"kind":"request","method":"textDocument/implementation","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/packages/nodes-base/nodes/Zammad/descriptions/OrganizationDescription.ts"},"position":{"line":276,"character":12}}}

    Repro steps

    #!/bin/bash

git clone https://github.com/n8n-io/n8n --recurse-submodules
git -C "./n8n" reset --hard ea9f451076722a6784e0f9d78af4410952be9a99
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/169176/artifacts?artifactName=RepoResults1&api-version=7.0" | jq -r ".resource.downloadUrl")
wget -O RepoResults1.zip "$downloadUrl"
unzip -p RepoResults1.zip RepoResults1/n8n-io.n8n.replay.txt > n8n-io.n8n.replay.txt
npm install --no-save @typescript/server-replay
# Install the repro project's packages
npx tsreplay install ./n8n

    To run the repro, use the "Launch replay test" launch configuration in your local copy of native TypeScript.

  3. typescript-automation commented on Oct 3, 2026

    @typescript-automation
    typescript-automationbot
    on Oct 3, 2026 – with TypeScript Automation
    ContributorAuthor

    panic handling request textDocument/diagnostic: flaky diagnostic(s) logged:

    textDocument/diagnostic
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).recover(0x1e65740be708, 0x1e65b7fa4270)
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).handleDocumentDiagnostic(0x1e65740be708, {0x1be1658?, 0x1e65b7fa4330?}, 0x1e6590786800, 0x1e65b7fa4360)
github.com/microsoft/TypeScript/tsc/internal/lsp.handlerMap.registerLanguageServiceDocumentRequestHandler[...].1.1()
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).handleRequestOrNotification.func1()
github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).dispatchLoop.func3()
created by github.com/microsoft/TypeScript/tsc/internal/lsp.(*Server).dispatchLoop in goroutine 36

    Affected repos

    withastro/astro Raw error text: RepoResults2/withastro.astro.rawError.txt in the artifact folder
    Replay commands: RepoResults2/withastro.astro.replay.txt in the artifact folder

    Old server result

    The old server completed successfully for this repo.

    Last few requests

    {"kind":"request","method":"textDocument/diagnostic","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/packages/language-tools/language-server/src/utils.ts"}}}
{"kind":"request","method":"textDocument/codeLens","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/packages/language-tools/language-server/src/utils.ts"}}}
{"kind":"request","method":"textDocument/inlayHint","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/packages/language-tools/language-server/src/utils.ts"},"range":{"start":{"line":0,"character":0},"end":{"line":61,"character":0}}}}
{"kind":"request","method":"textDocument/semanticTokens/full","params":{"textDocument":{"uri":"@PROJECT_ROOT_URI@/packages/language-tools/language-server/src/utils.ts"}}}

    Repro steps

    #!/bin/bash

git clone https://github.com/withastro/astro --recurse-submodules
git -C "./astro" reset --hard 4c1470a7f907fe678ef5e7dceaa972ca83d297da
downloadUrl=$(curl -s "https://typescript.visualstudio.com/TypeScript/_apis/build/builds/169176/artifacts?artifactName=RepoResults2&api-version=7.0" | jq -r ".resource.downloadUrl")
wget -O RepoResults2.zip "$downloadUrl"
unzip -p RepoResults2.zip RepoResults2/withastro.astro.replay.txt > withastro.astro.replay.txt
npm install --no-save @typescript/server-replay

    To run the repro, use the "Launch replay test" launch configuration in your local copy of native TypeScript.

  4. Ryan Cavanaugh (RyanCavanaugh)
    added
    BugA bug in TypeScript
    on Oct 6, 2026
  5. Ryan Cavanaugh (RyanCavanaugh)
    added this to the TypeScript 7.1.1 RC milestone on Oct 6, 2026
  6. Ryan Cavanaugh (RyanCavanaugh)
    assigned
    Isabel Duan (iisaduan)
    on Oct 6, 2026
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