{"record":{"id":"532f3e945f5ef8fd","repo":"coleam00/Archon","slug":"file-change-failed-no-changes","errorCode":"file_change_failed_no_changes","errorMessage":"❌ File change failed: ${fileErrorMessage}","messagePattern":"❌ File change failed: (.+?)","errorType":"error_code","errorClass":null,"httpStatus":null,"severity":"error","filePath":"packages/providers/src/codex/provider.ts","lineNumber":723,"sourceCode":"                return `${icon} ${c.path ?? '(unknown file)'}`;\n              })\n              .join('\\n');\n            const errorSuffix =\n              (item.status as string) === 'failed' && fileErrorMessage\n                ? `\\n${fileErrorMessage}`\n                : '';\n            yield {\n              type: 'system',\n              content: `${statusIcon} File changes:\\n${changeList}${errorSuffix}`,\n            };\n          } else if ((item.status as string) === 'failed') {\n            getLog().warn(\n              { itemId: item.id, status: item.status },\n              'file_change_failed_no_changes'\n            );\n            const failMsg = fileErrorMessage\n              ? `❌ File change failed: ${fileErrorMessage}`\n              : '❌ File change failed';\n            yield { type: 'system', content: failMsg };\n          } else {\n            getLog().debug({ itemId: item.id, status: item.status }, 'file_change_no_changes');\n          }\n          break;\n        }\n\n        case 'mcp_tool_call': {\n          const server = item.server as string | undefined;\n          const tool = item.tool as string | undefined;\n          const mcpToolName = getMcpToolName(item);\n\n          if ((item.status as string) === 'failed') {\n            getLog().warn(\n              { server, tool, error: item.error, itemId: item.id },\n              'mcp_tool_call_failed'\n            );\n            const mcpError = item.error as { message?: string } | undefined;","sourceCodeStart":705,"sourceCodeEnd":741,"githubUrl":"https://github.com/coleam00/Archon/blob/0773b9745896ef0612e709c80845a0f7db315b19/packages/providers/src/codex/provider.ts#L705-L741","documentation":"While streaming Codex events, a file-change item reports a failed status with no changes applied. streamCodexEvents emits a user-facing '❌ File change failed' system message, including any underlying fileErrorMessage when the harness provided one (code file_change_failed_no_changes).","triggerScenarios":"A Codex turn's file-change item ends with a failed status — e.g. the proposed edit could not be applied (conflict, read-only file, path outside workspace) and no changes were written.","commonSituations":"Editing a file that changed on disk since the agent read it; applying a patch to a protected or read-only path; diff context drift after earlier failed edits in the same turn.","solutions":["Read the accompanying fileErrorMessage for the concrete cause and fix it (e.g. resolve the conflicting file state).","Re-run the workflow turn after the file conflict is resolved.","Check workspace permissions/paths if the failure is an access error; retry the change manually."],"exampleFix":"// before\n// turn re-reads stale file, patch fails, no changes applied\n// ❌ File change failed: patch does not apply\n// after\ngit checkout -- path/to/file   # restore known state, rerun the turn\n// file change applied","handlingStrategy":"try-catch","validationCode":"// before applying, ensure target files are clean and writable\nconst status = await git(['status', '--porcelain', targetPath]);\nif (status.trim()) console.warn(`${targetPath} has local changes; agent patch may fail`);","typeGuard":null,"tryCatchPattern":"for await (const ev of streamCodexEvents(...)) {\n  if (ev.type === 'system' && ev.content.startsWith('❌ File change failed')) {\n    // capture ev.content (includes fileErrorMessage) and abort/retry the turn\n    break;\n  }\n}","preventionTips":["Ensure the worktree is clean before starting a turn so patches apply.","Avoid concurrent edits to files the agent is modifying.","Check workspace path permissions/read-only mounts before runs."],"tags":["codex","file-change","patch","provider"],"backgroundTag":"file-change-failed","analyzedSha":"0773b9745896ef0612e709c80845a0f7db315b19","analyzedAt":"2026-09-01T02:28:07.064Z","contentChangedAt":null,"schemaVersion":2},"datasetVersion":"2026-09-08T05:18:18.240Z"}