{"record":{"id":"8906adb137032742","repo":"Crosstalk-Solutions/project-nomad","slug":"failed-to-delete-all-chat-sessions","errorCode":null,"errorMessage":"Failed to delete all chat sessions","messagePattern":"Failed to delete all chat sessions","errorType":"exception","errorClass":"Error","httpStatus":null,"severity":"error","filePath":"admin/app/services/chat_service.ts","lineNumber":286,"sourceCode":"        const fallbackTitle = userMessage.slice(0, 57) + (userMessage.length > 57 ? '...' : '')\n        await this.updateSession(sessionId, { title: fallbackTitle })\n      } catch {\n        // Silently fail - session keeps \"New Chat\" title\n      }\n    }\n  }\n\n  async deleteAllSessions() {\n    try {\n      await ChatSession.query().delete()\n      return { success: true, message: 'All chat sessions deleted' }\n    } catch (error) {\n      logger.error(\n        `[ChatService] Failed to delete all sessions: ${\n          error instanceof Error ? error.message : error\n        }`\n      )\n      throw new Error('Failed to delete all chat sessions')\n    }\n  }\n}\n","sourceCodeStart":268,"sourceCodeEnd":290,"githubUrl":"https://github.com/Crosstalk-Solutions/project-nomad/blob/0bd1c6f4f9888d577fe232de06ac144bb8337131/admin/app/services/chat_service.ts#L268-L290","documentation":"ChatService.deleteAllSessions rethrows this after logging when the bulk deletion of every chat session (and their messages) fails at the database level. This is a destructive admin operation, so any DB error — connection loss, lock timeout, FK restriction — aborts the whole wipe.","triggerScenarios":"Invoking 'delete all sessions' while the DB rejects the bulk delete: FK constraints without CASCADE, lock contention from active chat transactions, or the DB going away mid-statement.","commonSituations":"A schema where chat_messages references chat_sessions with ON DELETE RESTRICT/NO ACTION, long-running chat requests holding row locks during the wipe, or a DB restart/failover during the operation.","solutions":["Check logs for '[ChatService] Failed to delete all sessions: <cause>'","Ensure FKs are ON DELETE CASCADE, or wrap in a transaction that deletes chat_messages first","Retry when the system is idle to avoid lock contention","Verify DB health/connectivity before the admin wipe action"],"exampleFix":"// before\nawait ChatSession.truncate(true) // or bulk delete that hits FK restrictions\n\n// after\nawait db.transaction(async (trx) => {\n  await ChatMessage.query({ client: trx }).del()\n  await ChatSession.query({ client: trx }).del()\n})","handlingStrategy":"try-catch","validationCode":"if ((await ChatSession.query().count('* as total'))[0].total === 0) return // nothing to wipe","typeGuard":null,"tryCatchPattern":"try { await chat.deleteAllSessions() } catch (e) { if (e.message === 'Failed to delete all chat sessions') { confirmAndRetryOnce(); return } throw e }","preventionTips":["Require explicit confirmation for destructive wipes and run them at low-traffic times","Delete child tables in a transaction before the parent wipe","Verify FK cascade behavior in a staging DB before enabling the feature","Check DB connectivity and lock activity before issuing bulk deletes"],"tags":["chat","database","bulk-delete","adonisjs","foreign-key"],"backgroundTag":"database-query-failed","analyzedSha":"0bd1c6f4f9888d577fe232de06ac144bb8337131","analyzedAt":"2026-08-27T05:34:15.424Z","schemaVersion":2},"datasetVersion":"2026-08-27T08:17:20.692Z"}