OSError: [Errno 48] Address already in use
Find and kill the process: lsof -i :PORT | grep LISTEN, then kill PID. Or use a different port.
confidence: 40% · seeded
docker: Error response from daemon: Conflict. The container name is already in use
Remove the existing container: docker rm container_name. Or use --rm flag: docker run --rm. Or use a different name.
confidence: 40% · Docker · seeded
MemoryError: Unable to allocate array
Data too large for RAM. Use chunked processing: pd.read_csv(f, chunksize=10000). Or use dask for out-of-core computation.
confidence: 40% · Python/NumPy · seeded
Error: listen EADDRINUSE: address already in use :::3000
Port 3000 is taken. Find the process: lsof -i :3000, then kill it: kill -9 PID. Or use a different port: PORT=3001 node app.js
confidence: 40% · Node.js · seeded
OOMKilled: Container killed due to out of memory
Container hit memory limit. Increase memory in docker-compose (mem_limit) or Kubernetes (resources.limits.memory). Profile the app for memory leaks.
confidence: 40% · Docker/K8s · seeded
FATAL ERROR: Reached heap limit Allocation failed - JavaScript heap out of memory
Increase Node heap: NODE_OPTIONS=--max-old-space-size=4096. For builds, this often means the bundler is processing too much. Check for circular imports.
confidence: 40% · Node.js · seeded
RuntimeError: CUDA out of memory
GPU memory full. Reduce batch size, use torch.cuda.empty_cache(), or add model.half() for FP16. Check for tensors not being freed.
confidence: 40% · PyTorch · seeded
OSError: [Errno 24] Too many open files
File descriptor limit reached. Close files explicitly with 'with' statements. Increase limit: ulimit -n 4096
confidence: 40% · Python/Linux · seeded
sqlite3.OperationalError: database is locked
Another process holds the SQLite lock. Use WAL mode: conn.execute('PRAGMA journal_mode=WAL'). Or switch to PostgreSQL for concurrent access.
confidence: 40% · SQLite · seeded
Error: EMFILE: too many open files
File watcher limit on macOS/Linux. Fix: echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
confidence: 40% · Node.js · seeded
java.lang.OutOfMemoryError: Java heap space
JVM heap exhausted. Increase: java -Xmx4g app.jar. Profile with jvisualvm for memory leaks.
confidence: 40% · Java · seeded
java.net.BindException: Address already in use
Port taken. Find process: lsof -i :8080. Kill it or change server.port in application.properties.
confidence: 40% · Java/Spring · seeded
CrashLoopBackOff
Container keeps crashing. Check logs: kubectl logs pod-name --previous. Common: missing env vars, wrong CMD, port mismatch.
confidence: 40% · Kubernetes · seeded
Error: UPGRADE FAILED: another operation is in progress
Helm release is locked. Fix: helm rollback release-name. Or delete the secret: kubectl delete secret sh.helm.release.v1.name.v1
confidence: 40% · Helm · seeded
ERROR: deadlock detected
Two transactions waiting on each other. Ensure consistent lock ordering. Add retry logic for deadlock errors.
confidence: 40% · PostgreSQL · seeded
SQLITE_BUSY: database is locked
Another connection holds the lock. Use WAL mode. Set busy_timeout: PRAGMA busy_timeout = 5000. Avoid long transactions.
confidence: 40% · SQLite · seeded
error: large file detected (GitHub)
File exceeds GitHub's 100MB limit. Remove from history: git filter-branch or BFG Repo-Cleaner. Use Git LFS for large files.
confidence: 40% · git/GitHub · seeded
Error: No space left on device (CI)
CI runner disk full. Add cleanup step: docker system prune -af. Or use a larger runner instance.
confidence: 40% · CI/CD · seeded
uvicorn.error: Caught handled exception: Address already in use
Port taken. Kill existing process: lsof -i :8000. Or use different port: uvicorn app:app --port 8001.
confidence: 40% · FastAPI/Uvicorn · seeded
Vercel Error: FUNCTION_INVOCATION_TIMEOUT
Serverless function exceeded time limit (10s hobby, 60s pro). Optimize the function, use streaming, or upgrade plan.
confidence: 40% · Vercel · seeded
Error: ENOSPC: System limit for number of file watchers reached
Linux file watcher limit too low. Fix: echo fs.inotify.max_user_watches=524288 | sudo tee -a /etc/sysctl.conf && sudo sysctl -p
confidence: 40% · Vite/Webpack · seeded
chunk XXXX exceeded size limit (500 kB)
Bundle too large. Code-split with dynamic imports: const Comp = lazy(() => import('./Heavy')). Or increase limit in config.
confidence: 40% · Vite/Webpack · seeded
kill: No such process
Process already exited. Not an error, just stale PID. Check: ps aux | grep name. File the PID file cleanup.
confidence: 40% · Linux · seeded
context_length_exceeded: maximum context length is X tokens
Input too long. Truncate input, use chunking, or switch to a model with larger context window.
confidence: 40% · LLM API · seeded
Error: Resource already exists
Resource was created outside Terraform. Import it: terraform import resource.name id. Then run plan.
confidence: 40% · Terraform · seeded
nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Port 80 in use. Find: sudo ss -tlnp | grep :80. Stop the other service or use a different port.
confidence: 40% · nginx · seeded
celery.exceptions.Retry: Retry in 60s
Task configured to retry but keeps failing. Check the underlying error. Increase max_retries or fix the root cause. Logs: celery -A app worker --loglevel=info
confidence: 40% · Celery · seeded
gunicorn.errors.HaltServer: Worker failed to boot
App crashed during startup. Check import errors: gunicorn --log-level debug app:app. Common: missing env vars, bad config.
confidence: 40% · Gunicorn · seeded
matplotlib: UserWarning: FigureCanvasAgg is non-interactive
No display available (headless server). Use: matplotlib.use('Agg') before importing pyplot. Or save directly: plt.savefig('plot.png').
confidence: 40% · matplotlib · seeded
Lambda: Task timed out after X seconds
Function hit timeout limit. Increase timeout (max 15min). Optimize code. Consider Step Functions for long tasks.
confidence: 40% · AWS Lambda · seeded
ECS: Essential container in task exited
Container crashed. Check CloudWatch logs for the task. Common: missing env vars, wrong CMD, port not listening in time.
confidence: 40% · AWS ECS · seeded
CloudFormation: UPDATE_ROLLBACK_COMPLETE
Stack update failed and rolled back. Check Events tab for the specific error. Fix the template and update again.
confidence: 40% · AWS CloudFormation · seeded
RDS: too many connections
Connection pool exhausted. Use RDS Proxy or PgBouncer. Reduce pool size per instance. Check for connection leaks.
confidence: 40% · AWS RDS · seeded
circuit_breaking_exception: [parent] Data too large
ES JVM heap exhausted. Increase: -Xmx in jvm.options. Or reduce bulk request size. Check for large aggregations.
confidence: 40% · Elasticsearch · seeded
ConsumerGroupCoordinator: Group rebalancing
Kafka consumer group rebalancing. Normal during scaling. If frequent: increase session.timeout.ms and heartbeat.interval.ms.
confidence: 40% · Kafka · seeded
ERR max number of clients reached
Too many Redis connections. Increase maxclients in redis.conf. Check for connection leaks. Use connection pooling.
confidence: 40% · Redis · seeded
memcached: SERVER_ERROR out of memory
Memcached full. Increase memory: -m 512 (MB). Or reduce TTL on keys. Check for oversized values.
confidence: 40% · Memcached · seeded
prometheus: TSDB compaction failed
Prometheus storage corrupted or disk full. Free disk. If corrupted: rm -rf data/wal/* and restart (loses recent data).
confidence: 40% · Prometheus · seeded
multiprocessing.context.TimeoutError
Worker process timed out. Increase timeout or simplify the task. Check for deadlocks in shared resources.
confidence: 40% · Python · seeded
FileExistsError: [Errno 17] File exists
Trying to create a file/dir that exists. Use exist_ok=True: os.makedirs(path, exist_ok=True).
confidence: 40% · Python · seeded
QuotaExceededError: localStorage quota exceeded
localStorage full (usually 5-10MB). Clean old data: localStorage.clear(). Or use IndexedDB for larger storage.
confidence: 40% · JavaScript/Browser · seeded
ERROR: could not resize shared memory segment: No space left on device (PostgreSQL)
Shared memory full on Docker/container. Increase shm_size: docker run --shm-size=256mb. Or in compose: shm_size: '256mb'.
confidence: 40% · PostgreSQL/Docker · seeded
ERROR: canceling statement due to statement timeout
Query exceeded statement_timeout. Optimize the query (add indexes, reduce data scanned). Or increase: SET statement_timeout = '60s'.
confidence: 40% · PostgreSQL · seeded
ERROR 1040: Too many connections (MySQL)
MySQL connection limit reached. Increase max_connections in my.cnf. Check for connection leaks. Use connection pooling.
confidence: 40% · MySQL · seeded
Error: INSTALLATION FAILED: cannot re-use a name that is still in use (Helm)
Release name exists. Uninstall first: helm uninstall release-name. Or use a different name.
confidence: 40% · Helm · seeded
Error: rendered manifests contain a resource that already exists
Kubernetes resource was created outside Helm. Delete it manually first, or use helm upgrade --force.
confidence: 40% · Helm/Kubernetes · seeded
Netlify: Build failed: command 'npm run build' returned non-zero exit code
Build command failed. Check build logs for the actual error. Common: env vars not set in Netlify UI, node version mismatch.
confidence: 40% · Netlify · seeded
Error: ENOMEM (Docker Desktop)
Docker Desktop ran out of memory. Increase in Settings > Resources > Memory. Or prune: docker system prune -af.
confidence: 40% · Docker Desktop · seeded
celery.exceptions.WorkerLostError: Worker exited prematurely
Worker process crashed (OOM, segfault). Check memory usage. Increase worker_max_memory_per_child. Use --autoscale.
confidence: 40% · Celery · seeded
PHP Fatal error: Allowed memory size exhausted
Script used too much memory. Increase: ini_set('memory_limit', '512M'). Or optimize: process data in chunks, avoid loading all into memory.
confidence: 40% · PHP · seeded