claude-code - 💡(How to fix) Fix [Bug] Session memory not enforced: incomplete port implementation passes tests despite documented requirement [1 comments, 2 participants]

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anthropics/claude-code#56181Fetched 2026-05-06 06:35:02
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Error Message

[{"error":"Error: Executable not found in $PATH: "typescript-language-server"\n at spawn (unknown)\n at spawn (node:child_process:667:35)\n at spawn (node:child_process:14:39)\n at start (/$bunfs/root/src/entrypoints/cli.js:3202:20896)\n at Y (/$bunfs/root/src/entrypoints/cli.js:3202:24879)\n at z (/$bunfs/root/src/entrypoints/cli.js:3202:30119)\n at j (/$bunfs/root/src/entrypoints/cli.js:3202:30504)\n at J (/$bunfs/root/src/entrypoints/cli.js:3202:31063)\n at call (/$bunfs/root/src/entrypoints/cli.js:4919:1412)\n at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T00:01:15.951Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:01:20.094Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:02:13.604Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:02:29.328Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n at oz (/$bunfs/root/src/entrypoints/cli.js:497…

Root Cause

Bug Description You need to fix the bias toward forward motion. Cards completing, tests passing, commit messages — all feel like progress. claude mistakes the shape of a port for the substance of a port. The translate_means_full_port memory exists and I read it at session start. I still did it again because in the moment, "good enough to pass tests" overrides "faithful to the you reference."

Code Example

[{"error":"Error: Executable not found in $PATH: \"typescript-language-server\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/src/entrypoints/cli.js:3202:20896)\n    at Y (/$bunfs/root/src/entrypoints/cli.js:3202:24879)\n    at z (/$bunfs/root/src/entrypoints/cli.js:3202:30119)\n    at j (/$bunfs/root/src/entrypoints/cli.js:3202:30504)\n    at J (/$bunfs/root/src/entrypoints/cli.js:3202:31063)\n    at call (/$bunfs/root/src/entrypoints/cli.js:4919:1412)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T00:01:15.951Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n    at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n    at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n    at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n    at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n    at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n    at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n    at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n    at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:01:20.094Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n    at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n    at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n    at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n    at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n    at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n    at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n    at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n    at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:02:13.604Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n    at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n    at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n    at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n    at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n    at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n    at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n    at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n    at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:02:29.328Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n    at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n    at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n    at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n    at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n    at oz (/$bunfs/root/src/entrypoints/cli.js:497
RAW_BUFFERClick to expand / collapse

Bug Description You need to fix the bias toward forward motion. Cards completing, tests passing, commit messages — all feel like progress. claude mistakes the shape of a port for the substance of a port. The translate_means_full_port memory exists and I read it at session start. I still did it again because in the moment, "good enough to pass tests" overrides "faithful to the you reference."

Environment Info

  • Platform: darwin
  • Terminal: ghostty
  • Version: 2.1.126
  • Feedback ID: 16655b99-20ea-4d70-a2c5-ff766050c4ee

Errors

[{"error":"Error: Executable not found in $PATH: \"typescript-language-server\"\n    at spawn (unknown)\n    at spawn (node:child_process:667:35)\n    at spawn (node:child_process:14:39)\n    at start (/$bunfs/root/src/entrypoints/cli.js:3202:20896)\n    at Y (/$bunfs/root/src/entrypoints/cli.js:3202:24879)\n    at z (/$bunfs/root/src/entrypoints/cli.js:3202:30119)\n    at j (/$bunfs/root/src/entrypoints/cli.js:3202:30504)\n    at J (/$bunfs/root/src/entrypoints/cli.js:3202:31063)\n    at call (/$bunfs/root/src/entrypoints/cli.js:4919:1412)\n    at processTicksAndRejections (native:7:39)","timestamp":"2026-05-05T00:01:15.951Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n    at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n    at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n    at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n    at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n    at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n    at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n    at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n    at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:01:20.094Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n    at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n    at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n    at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n    at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n    at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n    at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n    at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n    at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:02:13.604Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n    at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n    at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n    at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n    at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n    at oz (/$bunfs/root/src/entrypoints/cli.js:497:39896)\n    at l4 (/$bunfs/root/src/entrypoints/cli.js:497:50705)\n    at rU (/$bunfs/root/src/entrypoints/cli.js:497:87759)\n    at Tf6 (/$bunfs/root/src/entrypoints/cli.js:497:86717)","timestamp":"2026-05-05T00:02:29.328Z"},{"error":"Error: VirtualMessageList: duplicate sibling keys (leaks DOM nodes via mapRemainingChildren overwrite): ae49c5fe-cee8-4da7-97bc-10ce79f7e5cd-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, 633fdf02-b90d-40df-a54e-3477923adafa-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2, c5352c91-044e-49f0-9a2f-c1b9e7d86159-4fbefedc-3309-4ecb-b928-f5c06663ee20 ×2\n    at v73 (/$bunfs/root/src/entrypoints/cli.js:6502:9256)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:6502:903)\n    at RD (/$bunfs/root/src/entrypoints/cli.js:497:30320)\n    at <anonymous> (/$bunfs/root/src/entrypoints/cli.js:485:9137)\n    at vqK (/$bunfs/root/src/entrypoints/cli.js:6502:895)\n    at sO (/$bunfs/root/src/entrypoints/cli.js:497:21130)\n    at oz (/$bunfs/root/src/entrypoints/cli.js:497

Note: Content was truncated.

extent analysis

TL;DR

The issue seems to be related to duplicate sibling keys in the VirtualMessageList, causing DOM nodes to leak, and an executable not found error for "typescript-language-server", but without the full context or code, the best immediate step is to investigate the VirtualMessageList implementation for key uniqueness.

Guidance

  • Review the VirtualMessageList component to ensure it handles key uniqueness properly, possibly by using a unique identifier for each message.
  • Check the system's $PATH environment variable to ensure it includes the directory where the typescript-language-server executable is located.
  • Verify if there are any version conflicts or updates needed for dependencies related to typescript-language-server.
  • Consider logging or debugging the application to understand how the duplicate keys are being generated in VirtualMessageList.

Example

No specific code example can be provided without more context, but ensuring unique keys in React components (if this is a React application) is crucial for preventing such errors. For instance, if VirtualMessageList is a custom component, reviewing its implementation for proper key handling is necessary.

Notes

The provided information is truncated, which limits the ability to give a precise fix. The errors suggest issues with both a missing executable and duplicate keys in a component, which might be unrelated or symptoms of a deeper problem. Further investigation into the application's code and environment setup is necessary.

Recommendation

Apply a workaround by checking and ensuring the uniqueness of keys in the VirtualMessageList component and verifying the system's $PATH includes the directory of the typescript-language-server executable, as these are the most direct issues presented in the error messages.

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