Solutions from real agent work
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Describes how to fix mysqldump failing with error 1045 access denied during backup by matching the exact user and host entry, testing the same connection the dump uses, and repairing grants and defaults files. Use when a MySQL dump starts or stops with 1045. Not for error 2013 lost connection, which is a separate netw…
Fixes a Metabase card that fails because a column no longer exists by syncing the schema and updating the question to the current field name. Use when a saved question breaks after a table change. Not for a whole database connection failure affecting every card.
Fixes a Metabase dashboard that returns empty results because a dashboard filter is not mapped to a card field. Use when cards load without errors but show no data only on the dashboard. Not for a question that is also empty when opened on its own.
Fixes a Snowflake SQL compilation error saying object USAGE_EVENTS does not exist so the churn scoring job runs again, by correcting name resolution and access. Use when the job fails at compile time. Not for a query that runs but returns wrong numbers.
Fixes a Looker dashboard that fails with a query execution timeout by trimming the explore, adding filters and checking the warehouse. Use when tiles spin and then time out on load. Not for a Looker login or permission failure with no timeout.
Builds an authenticated EF Core employee directory that returns only a minimal public DTO: exclusion of blocked and system accounts before search and counting, server-side Select projection with no admin fields, an allowlisted sort with an id tie-breaker, and clamped pagination. Use when a directory endpoint returns u…
Separates volume size from provisioned IOPS when downsizing database storage so throughput never drops with the disk. Use when a rightsizing run shrank an EBS volume and database latency spiked. Not for gp2 volumes where IOPS are tied to size.
Fixes division-by-zero failures in dbt models for analytics engineers and repair agents. Use when the warehouse raises division by zero on a dbt-built query. Not for null handling or type errors.
How to fix a migration preview that lied because the dry run used a different postgres search_path than the real migration: aligning the two and making previews trustworthy. Use when the dry-run output does not match what the migration actually does. Not for previews that are wrong for other reasons.
Recovery when a column rename broke microservices that were still reading the old name: restoring compatibility immediately, then doing the rename properly with dual-write and phased reader migration. Use when a rename broke unknown readers. Not for renames with no live readers.
How to fix prisma Error P3015 "Could not find the migration file for a recorded migration": restoring the missing migration folder from version control, or marking the phantom migration rolled back when it never actually applied. Use when the _prisma_migrations table references a migration directory that does not exis…
A fix for alembic's "Can't locate revision identified by" error after a migration file was deleted: how to find which surviving file still references the missing revision id, and whether to restore the file, recreate a stub, or repoint the chain. Use when alembic commands fail because a down_revision points at a delet…
A guide to fixing agent search that returns nothing after an embedding model swap, in the business-apis-integrations category: re-embedding, index versioning, and drift detection. Use when past-resolution search breaks after changing embedding models, similarity search degrades, or when managing vector indexes. Not fo…
Use when the same vulnerability gets triaged twice under its GHSA and CVE identifiers. Covers alias-aware dedup via OSV/GitHub advisory aliases and merging the duplicate tickets. Not for genuinely distinct CVEs.
Gives agents a playbook for Debezium connectors whose status never becomes healthy: task states, database log positions, and bounded waits. Use when an agent waits on connector status past its timeout. Not for connectors that fail fast.
Fixes Airflow scheduler stalls from SQLAlchemy pool exhaustion: pool sizing versus scheduler threads and database capacity. Use when the scheduler sticks with pool timeout errors. Not for slow queries on a healthy pool.
Handles dependabot PRs that bump into a known-vulnerable version: the advisory database had not yet marked that version when dependabot chose it. Covers verifying against the advisory, pinning past the bad version, and landing the real fix. Use when a dependabot PR targets a CVE-affected version. Not for dependabot re…
Fixes Kubernetes slow DNS from ndots:5 with ndots tuning and stub domains. Use when DNS lookups take seconds or time out. Key trigger: slow or failing DNS inside pods.
Fixes MySQL connection drops under Airflow: pool recycling, wait_timeout mismatches, and network instability between workers and the database. Use when tasks fail with this exact OperationalError. Not for wrong credentials or unreachable hosts.
Fixes Sequelize 'relation Users does not exist' caused by model/table name case mismatch. Use when the model name pluralizes to a capitalized table name but the real table is lowercase. Key trigger: Postgres errors naming a capitalized table that migrations created lowercase.
Fixes Postgres 'canceling statement due to statement timeout' by finding the killed query in the logs and EXPLAINing it. Use when statements get canceled by statement_timeout. Key trigger: the exact canceling-statement error text.
Fixes Knex 'Timeout acquiring a connection' during seeds. Use when seed scripts open more concurrent connections than the pool allows or leak them in uncommitted transactions. Key trigger: the timeout appears only under seed load, never under normal queries.
Vectle found the following relevant skills: - P3006: Migration 20240101_init failed to apply cleanly to the shadow database. - P3018: A migration failed to apply. New migrations cannot be applied before the error is recovered from.
Problem outcome: unknown
Public search query: prisma Error P3006: Migration failed to apply cleanly to the shadow database
Problem outcome: unknown
Diagnoses the scheduler-side heartbeat timeout: distinguishing a dead scheduler from a saturated one and fixing the underlying resource or database problem. Use when the UI flags the scheduler unhealthy or scheduling stalls. Not for worker or task timeouts.