{"record":{"id":"4889d261998da081","repo":"Yeachan-Heo/oh-my-codex","slug":"failed-to-capture-tmux-pane-owner-ownerresult-s","errorCode":null,"errorMessage":"failed to capture tmux pane owner: ${ownerResult.stderr}","messagePattern":"failed to capture tmux pane owner: (.+?)","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"src/team/tmux-session.ts","lineNumber":308,"sourceCode":"    'display-message', '-p', '-t', target,\n    '#{session_name}\\t#{session_id}\\t#{session_created}\\t#{window_index}\\t#{window_id}\\t#{pane_id}\\t#{pane_pid}',\n  ]);\n  if (!result.ok) throw new Error(`failed to capture tmux source authority: ${result.stderr}`);\n  const fields = result.stdout.split('\\t');\n  if (fields.length !== 7) throw new Error('malformed tmux source authority');\n  const [sessionName, sessionId, sessionCreated, windowIndex, windowId, capturedPaneId, panePid] = fields;\n  if (!sessionName || !/^\\$[0-9]+$/.test(sessionId) || !/^[0-9]+$/.test(sessionCreated)\n    || !/^[0-9]+$/.test(windowIndex) || !/^@[0-9]+$/.test(windowId)\n    || capturedPaneId !== target || !/^[1-9][0-9]*$/.test(panePid)) {\n    throw new Error('malformed tmux source authority');\n  }\n  const parsedPid = Number(panePid);\n  if (!Number.isSafeInteger(parsedPid) || parsedPid <= 0) throw new Error('malformed tmux source authority');\n  const proof = readExactPaneProofSync(target);\n  if (proof.status === 'unavailable') throw new ExactPaneProofUnavailableError(proof);\n  if (proof.status !== 'live' || proof.pid !== parsedPid) throw new Error(`tmux pane identity changed: ${target}`);\n  const ownerResult = runTmuxStructured(['show-option', '-qv', '-p', '-t', target, OMX_TEAM_PANE_OWNER_OPTION]);\n  if (!ownerResult.ok) throw new Error(`failed to capture tmux pane owner: ${ownerResult.stderr}`);\n  const teamPaneOwnerId = ownerResult.stdout.trim() || null;\n  if (teamPaneOwnerId && !/^[A-Za-z0-9._:-]+$/.test(teamPaneOwnerId)) {\n    throw new Error('malformed tmux pane owner');\n  }\n  if (expectedTeamPaneOwnerId !== undefined && teamPaneOwnerId !== expectedTeamPaneOwnerId) {\n    throw new Error(`tmux pane team owner changed: ${target}`);\n  }\n  return {\n    paneId: target,\n    panePid: parsedPid,\n    sessionName,\n    sessionId,\n    sessionCreated,\n    windowId,\n    windowIndex,\n    teamPaneOwnerId,\n  };\n}","sourceCodeStart":290,"sourceCodeEnd":326,"githubUrl":"https://github.com/Yeachan-Heo/oh-my-codex/blob/3ad79a8a6fe6e95fdbb8c00e40716fffe4011ce2/src/team/tmux-session.ts#L290-L326","documentation":"`tmux show-option -qv -p -t <pane> @omx_team_pane_owner_id` failed while capturing pane ownership. The owner option is part of the authority tuple that later guards destructive effects, so a failed read (as opposed to an empty one) aborts capture. Embedded stderr explains the tmux-side failure.","triggerScenarios":"captureSourcePaneAuthority on a pane that disappears between the display-message and show-option calls, a tmux server error, or a tmux version that rejects pane-scoped user options with -p.","commonSituations":"Pane closed mid-capture (race); older tmux (<3.0) with limited pane-option support; corrupted server state after socket issues.","solutions":["Retry the capture with a freshly discovered pane ID","Check embedded stderr for 'no such pane' vs option errors","Confirm tmux >= 3.0 supports pane-scoped user options (`tmux -V`)"],"exampleFix":null,"handlingStrategy":"retry","validationCode":"const r = runTmuxStructured(['show-option','-qv','-p','-t',paneId,'@omx_team_pane_owner_id']);\nif (!r.ok) await sleep(50); // transient; retry once before capture","typeGuard":null,"tryCatchPattern":"catch (e) { if (/failed to capture tmux pane owner/.test(e.message)) return retryCapture(); throw e; }","preventionTips":["Require tmux >= 3.0 for pane-scoped options","Minimize the window between display-message and show-option"],"tags":["tmux","pane-options","race-condition"],"backgroundTag":"tmux-command-failed","analyzedSha":"3ad79a8a6fe6e95fdbb8c00e40716fffe4011ce2","analyzedAt":"2026-08-27T22:18:39.783Z","schemaVersion":2},"datasetVersion":"2026-08-28T00:17:15.603Z"}