Troubleshooting
For troubleshooting articles. Predominantly problem / error, and workaround / solution.
- Use of colon in S3 pathnames causes "Relative path in absolute URI" error
- Jobs failing with NessieReferenceConflictException "Retry-Failure during commit"
- Dremio Cloud - Error: The engine 'preview' has been deleted
- Arrow Flight Driver Install Failure on MacOS
- Reflections not building after upgrading to v21 or beyond
- When deploying with dremio helm chart Zookeeper image fills up disk in kubernetes
- Dremio coordinator fails to start after enabling Web Server Encryption on port 443
- OUT_OF_MEMORY_ERROR on Hash Joins
- Arrow Flight python example error "OSError: gRPC returned unavailable error..."
- Auto generated self signed certificates and renewal
- Dremio JVM not selecting the G1GC collector
- pyodbc 4.0.34 breaks connectivity with Dremio ODBC
- Null Pointer Exception seen when promoting Delta Lake datasets
- Conflicting functions with similar signatures error seen when upgrading
- VDS column change can cause unexpected error pop-up for reflections
- Metadata file errors after upgrading and enabling Apache Iceberg features
- IllegalStateException generated when disable iceberg settings and REFRESH METADATA
- Logging changes after upgrading Kubernetes based installs to version 20 and beyond
- UnknownFormatConversionException seen when creating reflections
- IndexOutOfBounds exception seen while reading during a query