{"record":{"id":"69b857bd6d469add","repo":"can1357/oh-my-pi","slug":"session-file-deleted-but-failed-to-remove-artifact","errorCode":null,"errorMessage":"Session file deleted but failed to remove artifacts directory ${artifactsDir}: ${error.message}","messagePattern":"Session file deleted but failed to remove artifacts directory (.+?): (.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"packages/coding-agent/src/session/session-storage.ts","lineNumber":462,"sourceCode":"\n\t/**\n\t * Delete a session file and its artifacts directory.\n\t * Artifacts are stored in a sibling directory with the same name minus .jsonl extension.\n\t */\n\tasync deleteSessionWithArtifacts(sessionPath: string): Promise<void> {\n\t\t// Delete the session file itself\n\t\tawait this.unlink(sessionPath);\n\n\t\t// Compute artifacts directory: /path/to/session.jsonl -> /path/to/session\n\t\tconst artifactsDir = sessionPath.slice(0, -6);\n\n\t\t// Delete artifacts directory if it exists. Missing directories are fine, but\n\t\t// surface real cleanup failures because the session file is already gone.\n\t\ttry {\n\t\t\tawait fsp.rm(artifactsDir, { recursive: true, force: true });\n\t\t} catch (err) {\n\t\t\tconst error = toError(err);\n\t\t\tthrow new Error(\n\t\t\t\t`Session file deleted but failed to remove artifacts directory ${artifactsDir}: ${error.message}`,\n\t\t\t\t{\n\t\t\t\t\tcause: error,\n\t\t\t\t},\n\t\t\t);\n\t\t}\n\t}\n}\n\nfunction matchesPattern(name: string, pattern: string): boolean {\n\tif (pattern === \"*\") return true;\n\tif (pattern.startsWith(\"*.\")) {\n\t\treturn name.endsWith(pattern.slice(1));\n\t}\n\treturn name === pattern;\n}\n\nclass MemorySessionStorageWriter implements SessionStorageWriter {","sourceCodeStart":444,"sourceCodeEnd":480,"githubUrl":"https://github.com/can1357/oh-my-pi/blob/969062200754ea02cfac922e5ebb8c608c079e15/packages/coding-agent/src/session/session-storage.ts#L444-L480","documentation":"deleteSessionWithArtifacts removes the session file and then its associated artifacts directory. Missing artifact directories are tolerated, but if the recursive rm of an existing artifacts dir fails, this Error is thrown: the session JSONL is already deleted, so only the artifact cleanup failure is reported, with the underlying error as cause.","triggerScenarios":"fsp.rm(artifactsDir, { recursive: true, force: true }) fails with EACCES/EPERM (permission-restricted directory), EBUSY/EPERM (a file inside is open or locked, e.g. by AV or a sync client), or read-only filesystem.","commonSituations":"Deleting a session on Windows while Defender or an editor holds an artifact file; artifacts dir owned by another user after running with elevated privileges; NFS/network mounts with stale locks.","solutions":["Re-run the delete after closing programs that may hold files in the artifacts directory (editors, terminals cd'd into it, sync clients).","Manually remove the artifacts directory shown in the message: rm -rf <artifactsDir>, then confirm nothing references it.","Fix ownership/permissions on the artifacts directory (chown/chmod) before deleting.","Note the session file itself was already deleted — this error does not mean the delete failed; only cleanup is pending."],"exampleFix":"// manual cleanup after the error\nrm -rf \"~/.omp/artifacts/<session-name>\"  # path from the error message","handlingStrategy":"try-catch","validationCode":"import { access, constants } from \"node:fs/promises\";\ntry {\n  await access(artifactsDir, constants.W_OK);\n} catch {\n  // not writable or missing — either fine (missing is tolerated) or cleanup will fail\n}","typeGuard":null,"tryCatchPattern":"try {\n  await deleteSessionWithArtifacts(file);\n} catch (err) {\n  if (err.message.includes(\"failed to remove artifacts directory\")) {\n    logger.warn(\"Session deleted; artifacts left behind\", { cause: err.cause, artifactsDir });\n    // schedule retry/manual rm -rf of artifactsDir\n  } else throw err;\n}","preventionTips":["Ensure the process user owns or can delete the artifacts directory.","Close editors/sync clients that hold files under the artifacts dir before deleting.","Don't run some sessions with elevated privileges (creates root-owned artifacts others can't delete).","Remember the session file is already gone — treat this as cleanup warning, not delete failure."],"tags":["filesystem","cleanup","permissions","session"],"backgroundTag":"directory-cleanup-failed","analyzedSha":"969062200754ea02cfac922e5ebb8c608c079e15","analyzedAt":"2026-08-31T10:29:35.737Z","schemaVersion":2},"datasetVersion":"2026-08-31T14:17:45.589Z"}