[transformers] PyTorch was not found. Models won't be available and only tokenizers, configuration and file/data utilities can be used. ✓ Initializing Langflow ✓ Checking Environment ✓ Starting Core Services ✓ Connecting Database ✓ Loading Components ✓ Adding Starter Projects 2026-10-08T23:10:52.682450Z [warning ] CORS: Using permissive defaults (all origins + credentials). Set LANGFLOW_CORS_ORIGINS for production. Stricter defaults in v2.0. service=langflow 2026-10-08T23:10:52.682920Z [warning ] CORS: wildcard origin ('*') is configured together with LANGFLOW_CORS_ALLOW_CREDENTIALS=true; disabling credentials because a wildcard origin with credentials enables cross-site credentialed requests (CSRF / token theft) and is invalid per the CORS spec. Set LANGFLOW_CORS_ORIGINS to explicit origins to keep credentials enabled. service=langflow [10/08/26 23:10:55] INFO Context impl SQLiteImpl. migration.py:210 INFO Will assume non-transactional DDL. migration.py:213 2026-10-08T23:10:55.097608Z [info ] Initializing alembic  service=langflow INFO Context impl SQLiteImpl. migration.py:210 INFO Will assume non-transactional DDL. migration.py:213 INFO Context impl SQLiteImpl. migration.py:210 INFO Will assume non-transactional DDL. migration.py:213 INFO Running upgrade -> 260dbcc8b680, migration.py:621 Adds tables INFO Running upgrade 260dbcc8b680 -> migration.py:621 67cc006d50bf, Add profile-image column INFO Running upgrade 67cc006d50bf -> migration.py:621 eb5866d51fd2, Change columns to be nullable INFO Running upgrade eb5866d51fd2 -> migration.py:621 7843803a87b5, Store updates INFO Running upgrade 7843803a87b5 -> migration.py:621 f5ee9749d1a6, User id can be null in Flow INFO Running upgrade f5ee9749d1a6 -> migration.py:621 7d2162acc8b2, Adds updated_at and folder cols INFO Running upgrade 7d2162acc8b2 -> migration.py:621 2ac71eb9c3ae, Adds Credential table INFO Running upgrade 2ac71eb9c3ae -> migration.py:621 fd531f8868b1, Fix Credential table INFO Running upgrade fd531f8868b1 -> migration.py:621 1ef9c4f3765d, Revision ID: 1ef9c4f3765d Revises: fd531f8868b1 Create Date: 2023-12-04 15:00:27.968998 INFO Running upgrade 1ef9c4f3765d -> migration.py:621 006b3990db50, Add unique constraints INFO Running upgrade 006b3990db50 -> migration.py:621 0b8757876a7c, empty message INFO Running upgrade 0b8757876a7c -> migration.py:621 b2fa308044b5, Add unique constraints. INFO Running upgrade b2fa308044b5 -> migration.py:621 bc2f01c40e4a, New fixes INFO Running upgrade bc2f01c40e4a -> migration.py:621 63b9c451fd30, Add icon and icon_bg_color to Flow INFO Running upgrade 63b9c451fd30 -> migration.py:621 1a110b568907, Replace Credential table with Variable INFO Running upgrade 1a110b568907 -> migration.py:621 e3bc869fa272, Fix nullable INFO Running upgrade e3bc869fa272 -> migration.py:621 79e675cb6752, Change datetime type INFO Running upgrade 79e675cb6752 -> migration.py:621 4e5980a44eaa, Fix date times again. INFO Running upgrade 4e5980a44eaa -> migration.py:621 58b28437a398, Modify nullable INFO Running upgrade 58b28437a398 -> migration.py:621 6e7b581b5648, Fix nullable INFO Running upgrade 6e7b581b5648 -> migration.py:621 1f4d6df60295, Add default_fields column INFO Running upgrade 1f4d6df60295 -> migration.py:621 c153816fd85f, Set name and value to not nullable INFO Running upgrade c153816fd85f -> migration.py:621 012fb73ac359, Add Folder table INFO Running upgrade 012fb73ac359 -> migration.py:621 29fe8f1f806b, Add missing index INFO Running upgrade 29fe8f1f806b -> migration.py:621 a72f5cf9c2f9, Add endpoint name col INFO Running upgrade a72f5cf9c2f9 -> migration.py:621 3bb0ddf32dfb, Add unique constraints per user in flow table INFO Running upgrade 3bb0ddf32dfb -> migration.py:621 1c79524817ed, Add unique constraints per user in folder table INFO Running upgrade 1c79524817ed -> migration.py:621 631faacf5da2, Add webhook columns INFO Running upgrade 631faacf5da2 -> migration.py:621 325180f0c4e1, Add message table INFO Running upgrade 325180f0c4e1 -> migration.py:621 90be8e2ed91e, create transactions table INFO Running upgrade 90be8e2ed91e -> migration.py:621 0d60fcbd4e8e, create vertex_builds table INFO Running upgrade 0d60fcbd4e8e -> migration.py:621 4522eb831f5c, Update description columns type INFO Running upgrade 4522eb831f5c -> migration.py:621 e5a65ecff2cd, nullable in vertex build INFO Running upgrade e5a65ecff2cd -> migration.py:621 d3dbf656a499, add gradient column in Flow INFO Running upgrade d3dbf656a499 -> migration.py:621 d2d475a1f7c0, add tags column to flow INFO Running upgrade d2d475a1f7c0 -> migration.py:621 0ae3a2674f32, Update the columns that need to change their type to text INFO Running upgrade 0ae3a2674f32 -> migration.py:621 5ace73a7f223, new remove table upgrade op INFO Running upgrade 5ace73a7f223 -> migration.py:621 eb5e72293a8e, Add error and edit flags to message INFO Running upgrade eb5e72293a8e -> migration.py:621 1eab2c3eb45e, event_error INFO Running upgrade 1eab2c3eb45e -> migration.py:621 e3162c1804e6, add persistent locked state INFO Running upgrade e3162c1804e6 -> migration.py:621 dd9e0804ebd1, Add V2 File Table INFO Running upgrade dd9e0804ebd1 -> migration.py:621 93e2705fa8d6, Add column fs_path to Flow INFO Running upgrade 93e2705fa8d6 -> migration.py:621 f3b2d1f1002d, add column 'access_type' to flow INFO Running upgrade f3b2d1f1002d -> migration.py:621 1b8b740a6fa3, remove fk constraint in message transaction and vertex build [10/08/26 23:10:56] INFO Running upgrade 1b8b740a6fa3 -> migration.py:621 e56d87f8994a, add_optins_column_to_user INFO Running upgrade e56d87f8994a -> migration.py:621 66f72f04a1de, Add MCP support with project settings in flows INFO Running upgrade 66f72f04a1de -> migration.py:621 d9a6ea21edcd, Rename default folder INFO Running upgrade 0ae3a2674f32, migration.py:621 d9a6ea21edcd -> 3162e83e485f, Add auth_settings column to folder table and merge migration branches. INFO Running upgrade 3162e83e485f -> migration.py:621 1cb603706752, Modify uniqueness constraint on file names INFO S 1cb603706752_modify_uniqueness_constraint_on_fil… t a r t i n g u p g r a d e : a d d i n g c o m p o s i t e u n i q u e ( n a m e , u s e r _ i d ) o n f i l e INFO S 1cb603706752_modify_uniqueness_constraint_on_fil… c a n n i n g f o r d u p l i c a t e f i l e n a m e s p e r u s e r . . . INFO N 1cb603706752_modify_uniqueness_constraint_on_fil… o d u p l i c a t e s f o u n d . INFO C 1cb603706752_modify_uniqueness_constraint_on_fil… r e a t i n g c o m p o s i t e u n i q u e : f i l e _ n a m e _ u s e r _ i d _ k e y o n ( n a m e , u s e r _ i d ) INFO U 1cb603706752_modify_uniqueness_constraint_on_fil… p g r a d e c o m p l e t e d s u c c e s s f u l l y i n 0 . 0 3 s e c o n d s INFO Running upgrade 1cb603706752 -> migration.py:621 0882f9657f22, Encrypt existing MCP auth_settings credentials INFO Running upgrade 0882f9657f22 -> migration.py:621 d37bc4322900, Drop single constraint on file.name column INFO R d37bc4322900_drop_single_constraint_on_files_nam… u n n i n g m i g r a t i o n o n s q l i t e d a t a b a s e INFO S d37bc4322900_drop_single_constraint_on_files_nam… Q L i t e : R e c r e a t i n g t a b l e t o r e m o v e s i n g l e U N I Q U E c o n s t r a i n t o n n a m e INFO S d37bc4322900_drop_single_constraint_on_files_nam… Q L i t e : S u c c e s s f u l l y r e c r e a t e d f i l e t a b l e w i t h o u t s i n g l e U N I Q U E c o n s t r a i n t o n n a m e INFO Running upgrade d37bc4322900 -> migration.py:621 182e5471b900, add context_id to message table INFO Running upgrade 182e5471b900 -> migration.py:621 369268b9af8b, add job_id to vertex_build, create job status table. INFO Running upgrade 369268b9af8b -> migration.py:621 b1c2d3e4f5a6, add SSO plugin tables sso_user_profile and sso_config INFO Running upgrade b1c2d3e4f5a6 -> migration.py:621 169b35510b37, added job_type to make jobs generic and user_id for ownership INFO Running upgrade 169b35510b37 -> migration.py:621 26ef53e27502, adding asset_id and asset_type to job table for polymorphism of jobs. INFO Running upgrade 26ef53e27502, migration.py:621 b1c2d3e4f5a6 -> c187c3b9bb94, merge_job_asset_and_sso_heads INFO Running upgrade c187c3b9bb94 -> migration.py:621 3478f0bd6ccb, Add trace and span tables for native tracing INFO Running upgrade 3478f0bd6ccb -> migration.py:621 7d327cfafab6, add flow_version table INFO Running upgrade 7d327cfafab6 -> migration.py:621 8106300be7aa, Add deployment provider account table INFO Running upgrade 8106300be7aa -> migration.py:621 2a5defa5ddc0, Add deployment table INFO Running upgrade 3478f0bd6ccb -> migration.py:621 59a272d6669a, Ensure trace.flow_id foreign key has ondelete CASCADE INFO Running upgrade 59a272d6669a, migration.py:621 2a5defa5ddc0 -> fc7f696a57bf, Merge cascade fix and flow version branches INFO Running upgrade fc7f696a57bf -> migration.py:621 0e6138e7a0c2, Add ondelete CASCADE to file.user_id FK INFO Running upgrade 0e6138e7a0c2 -> migration.py:621 ef4b036b585d, Add session_metadata column to message table INFO Running upgrade ef4b036b585d -> migration.py:621 c0d2ce43b315, add flow_version_deployment_attachment table, deployment_type and description columns INFO Running upgrade c0d2ce43b315 -> migration.py:621 a1b2c3d4e5f6, convert provider_key and deployment_type to enum columns INFO Running upgrade a1b2c3d4e5f6 -> migration.py:621 8255e9fc18d9, add name to deployment_provider_account INFO Running upgrade 8255e9fc18d9 -> migration.py:621 d306e5c17c41, add api_key_hash column to apikey table INFO Running upgrade d306e5c17c41 -> migration.py:621 mb00a1b2c3d4, add_memory_base_schema INFO Running upgrade mb00a1b2c3d4 -> migration.py:621 b4c2f8e9a1d3, Ensure message ingestion records keep their message FK INFO Running upgrade b4c2f8e9a1d3 -> migration.py:621 kb1a2b3c4d5e, Add knowledge_base + ingestion_run schema and job.job_metadata. INFO Running upgrade kb1a2b3c4d5e -> migration.py:621 mb01b2c3d4e5, add_preprocessing_output INFO Running upgrade mb01b2c3d4e5 -> migration.py:621 f6b3ce6845d4, add expires_at to api_key table INFO Running upgrade f6b3ce6845d4 -> migration.py:621 7c8d9e0f1a2b, Authz foundations: tables, workspace_id columns, and built-in system roles. INFO Running upgrade 7c8d9e0f1a2b -> migration.py:621 c35e9db03a66, make api_key expires_at timezone aware INFO Running upgrade c35e9db03a66 -> migration.py:621 b7c4d8e9f012, rename deployment name to display_name INFO Running upgrade b7c4d8e9f012 -> migration.py:621 4f0d2c9a8b7e, Backfill flow:create on built-in system roles. INFO Running upgrade b7c4d8e9f012 -> migration.py:621 e1705947c729, Ensure span.trace_id foreign key has ondelete CASCADE INFO Running upgrade 4f0d2c9a8b7e, migration.py:621 e1705947c729 -> 844cad9a53fa, merge alembic heads INFO Running upgrade 844cad9a53fa -> migration.py:621 c3e7a1b9d2f4, Normalize legacy uppercase spanstatus/spantype enum labels to lowercase INFO Running upgrade c3e7a1b9d2f4 -> migration.py:621 185482a2d715, add result and error columns to job table. INFO Running upgrade 185482a2d715 -> migration.py:621 b026885b89c8, add job_events table for durable background-job event log. INFO Running upgrade b026885b89c8 -> migration.py:621 8ce44e4858c6, add execution_signals table for cooperative job control. INFO Running upgrade c3e7a1b9d2f4 -> migration.py:621 247308ce2598, add mcp_server table INFO Running upgrade 4f0d2c9a8b7e -> migration.py:621 9b3e7c1f0a52, add user_id to message table INFO Running upgrade 9b3e7c1f0a52 -> migration.py:621 b2c72e1e1439, scope embedded agent chat-history in legacy flows INFO Running upgrade b2c72e1e1439, migration.py:621 c3e7a1b9d2f4 -> 12a64232053f, merge chat history scope and span enum heads INFO Running upgrade 12a64232053f, migration.py:621 247308ce2598 -> b7f91a2c4d6e, merge security and mcp server heads INFO Running upgrade 247308ce2598, migration.py:621 8ce44e4858c6 -> 9d5e24d777bf, merge_mcp_and_execution_signals_he ads INFO Running upgrade 8ce44e4858c6 -> migration.py:621 c7412b389256, hitl suspended status and pause resume signals. INFO Running upgrade c7412b389256 -> migration.py:621 a1f4c9d27b30, add job_checkpoints table for durable suspend/resume checkpoints. INFO Running upgrade 9d5e24d777bf, migration.py:621 a1f4c9d27b30 -> 9cbe2f682e12, merge hitl checkpoints and release heads INFO Running upgrade a1f4c9d27b30 -> migration.py:621 9f1d1d602aa3, add flow_type and a2a columns to flow INFO Running upgrade 9f1d1d602aa3 -> migration.py:621 142ba6cd9317, add a2a_tasks table for durable A2A protocol task storage. INFO Running upgrade 142ba6cd9317 -> migration.py:621 a2c8f1e3b4d6, add a2a_checkpoints table for durable HITL resume of A2A tasks. INFO Running upgrade a2c8f1e3b4d6 -> migration.py:621 c4e9a1b7d2f6, add created_at/updated_at to a2a_tasks so the table can be pruned by age. INFO Running upgrade 9cbe2f682e12, migration.py:621 c4e9a1b7d2f6 -> acfad963ce75, merge a2a tasks timestamps and hitl heads INFO Running upgrade 9d5e24d777bf, migration.py:621 b7f91a2c4d6e -> 0819aa415ead, merge security and release 1.11 heads INFO Running upgrade 0819aa415ead -> migration.py:621 47aca8c17d23, Backfill legacy message ownership from the owning flow. INFO Running upgrade 47aca8c17d23, migration.py:621 9cbe2f682e12 -> 5e6d61582763, merge message user id and hitl heads INFO Running upgrade 5e6d61582763, migration.py:621 acfad963ce75 -> d19e7b3c5a42, merge a2a and message user id heads INFO Running upgrade d19e7b3c5a42 -> migration.py:621 a6c4e2f8b1d3, Add first-class actor identity to authorization audit rows. INFO Running upgrade a6c4e2f8b1d3 -> migration.py:621 b7d5f9a3c2e4, Synchronize denormalized flow workspace ids from their projects. INFO Running upgrade b7d5f9a3c2e4 -> migration.py:621 e9f2a3b4c5d6, update SSO identity, connection, and protocol contracts INFO Running upgrade b7d5f9a3c2e4 -> migration.py:621 cp01a2b3c4d5, Add independent provenance sources for effective role assignments. [10/08/26 23:10:57] INFO Running upgrade cp01a2b3c4d5 -> migration.py:621 cp02a2b3c4d5, Backfill existing effective role assignments with manual grant sources. INFO Running upgrade cp02a2b3c4d5 -> migration.py:621 cp03a2b3c4d5, Allow skipped authorization reconciliation audit outcomes. INFO Running upgrade cp03a2b3c4d5 -> migration.py:621 e8f1a2b3c4d5, Add the install-wide model-provider policy store. INFO Running upgrade e8f1a2b3c4d5 -> migration.py:621 d4a7c9e1b2f6, Add catalog policy rules for component and template governance. INFO Running upgrade d4a7c9e1b2f6, migration.py:621 e9f2a3b4c5d6 -> f0a1b2c3d4e5, merge SSO identity and catalog policy heads INFO Running upgrade f0a1b2c3d4e5 -> migration.py:621 7c8e9f0a1b2d, add database enforcement for SSO configuration invariants INFO Running upgrade 7c8e9f0a1b2d -> migration.py:621 8d9e0f1a2b3c, complete rolling-compatible SSO schema expansion INFO Running upgrade 8d9e0f1a2b3c -> migration.py:621 f7a9c2d4e6b8, Add immutable shared provider and catalog policy bundles. INFO Running upgrade f7a9c2d4e6b8 -> migration.py:621 a3f8b1c9d7e2, Add blocked model keys to policy bundle revisions. INFO Running upgrade a3f8b1c9d7e2 -> migration.py:621 c6d8e0f2a4b7, add SSO identity display details INFO Running upgrade c6d8e0f2a4b7 -> migration.py:621 d7e9f1a3b5c8, Track environment-managed variable values. INFO Running upgrade d7e9f1a3b5c8 -> migration.py:621 a1b2c9d3e4f5, Index the message columns every history read filters and sorts on. INFO Context impl SQLiteImpl. migration.py:210 INFO Will assume non-transactional DDL. migration.py:213 INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.schemas INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.tables INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.types INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.constraints INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.defaults INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.comments INFO Context impl SQLiteImpl. migration.py:210 INFO Will assume non-transactional DDL. migration.py:213 INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.schemas INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.tables INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.types INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.constraints INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.defaults INFO setting up autogenerate plugin plugins.py:119 alembic.autogenerate.comments 2026-10-08T23:10:58.540132Z [info ] telemetry_writer started (outbox=/tmp/langflow_telemetry_outbox/24, tx_pending=0, vb_pending=0) service=langflow 2026-10-08T23:11:07.945912Z [warning ] Skipping starter project 'Research Translation Loop'; unavailable components: ArXivComponent service=langflow 2026-10-08T23:11:08.060295Z [info ] Initializing agentic global variables... service=langflow 2026-10-08T23:11:08.060957Z [info ] Initializing agentic global variables for all users... service=langflow 2026-10-08T23:11:08.074978Z [info ] Agentic variables initialization complete: 3 created, 0 skipped service=langflow [10/08/26 23:11:08] INFO StreamableHTTP streamable_http_manager.py:131 session manager started [10/08/26 23:11:08] INFO HTTP Request: GET _client.py:1025 http://localhost:7860/health "HTTP/1.1 200 OK" ✓ Launching Langflow 2026-10-08T23:11:08.717272Z [warning ] LANGFLOW_AUTO_LOGIN is enabled: /auto_login is issuing a superuser session without credentials. Disable AUTO_LOGIN and create a real superuser for any non-local or shared deployment. service=langflow INFO HTTP Request: GET _client.py:1025 https://pypi.org/pypi/langflow/json "HTTP/1.1 200 OK" ╭─────────────────────────────────────────────────────────────────────────╮ │ │ │ Welcome to Langflow │ │ │ │ 🌟 GitHub: Star for updates → https://github.com/langflow-ai/langflow │ │ 💬 Discord: Join for support → https://discord.com/invite/EqksyE2EX9 │ │ │ │ We collect anonymous usage data to improve Langflow. │ │ To opt out, set: DO_NOT_TRACK=true in your environment. │ │ │ │ 🟢 Open Langflow → http://localhost:7860 │ │ │ ╰─────────────────────────────────────────────────────────────────────────╯