{"record":{"id":"5383d9efa084544e","repo":"davila7/claude-code-templates","slug":"failed-to-export-session","errorCode":null,"errorMessage":"Failed to export session","messagePattern":"Failed to export session","errorType":"http","errorClass":null,"httpStatus":500,"severity":"error","filePath":"cli-tool/src/chats-mobile.js","lineNumber":509,"sourceCode":"\n        console.log(chalk.cyan(`📥 Exporting conversation ${conversationId} as markdown...`));\n\n        // Export the session as markdown using SessionSharing module\n        const exportResult = await this.sessionSharing.exportSessionAsMarkdown(conversationId, conversation);\n\n        res.json({\n          success: true,\n          conversationId: conversationId,\n          markdown: exportResult.markdown,\n          filename: exportResult.filename,\n          messageCount: exportResult.messageCount,\n          totalMessageCount: exportResult.totalMessageCount,\n          wasLimited: exportResult.wasLimited,\n          timestamp: new Date().toISOString()\n        });\n      } catch (error) {\n        console.error('Error exporting conversation:', error);\n        res.status(500).json({\n          error: 'Failed to export session',\n          message: error.message\n        });\n      }\n    });\n\n    // API to get detailed analytics for a conversation\n    this.app.get('/api/conversations/:id/analytics', async (req, res) => {\n      try {\n        const conversationId = req.params.id;\n        const conversation = this.data.conversations.find(conv => conv.id === conversationId);\n\n        if (!conversation) {\n          return res.status(404).json({ error: 'Conversation not found' });\n        }\n\n        console.log(chalk.cyan(`📊 Fetching analytics for conversation ${conversationId}...`));\n","sourceCodeStart":491,"sourceCodeEnd":527,"githubUrl":"https://github.com/davila7/claude-code-templates/blob/a0851ed10c7c60463dac8cfaaca124cf32d5804d/cli-tool/src/chats-mobile.js#L491-L527","documentation":"500 from POST /api/conversations/:id/download: the conversation was found but SessionSharing.exportSessionAsMarkdown threw — typically reading/parsing the session file or writing the export output. Response includes error.message with the root cause.","triggerScenarios":"Export when the session .jsonl is unreadable/corrupt, the export destination isn't writable, or the session content hits an unexpected structure the exporter can't serialize.","commonSituations":"Read-only output directory; concurrent writes to the session; very large conversations exceeding buffers; exporter/parser version mismatch.","solutions":["Read the 'message' field — it identifies I/O vs parse failures","Check write permissions on the export output directory","Retry when Claude Code isn't actively appending to that session","Repair or remove the corrupt session file, then rebuild the index by restarting the server"],"exampleFix":null,"handlingStrategy":"try-catch","validationCode":"await fs.promises.access(conv.filePath, fs.constants.R_OK);\nawait fs.promises.access(exportDir, fs.constants.W_OK);","typeGuard":null,"tryCatchPattern":"try { return await exportConversation(id); } catch (e) { const msg = e.response?.body?.message ?? e.message; throw new Error(`export failed: ${msg}`); }","preventionTips":["Check read/write permissions before export","Retry when the session isn't actively being written","Log the message field — it distinguishes parse vs I/O failures"],"tags":["chats-mobile","express","http-500","export","markdown"],"backgroundTag":"export-failure","analyzedSha":"a0851ed10c7c60463dac8cfaaca124cf32d5804d","analyzedAt":"2026-08-28T14:11:56.058Z","schemaVersion":2},"datasetVersion":"2026-08-28T16:17:29.566Z"}