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Troubleshooting

For troubleshooting articles. Predominantly problem / error, and workaround / solution.

  • Unable to access VDS even with the granted Privileges (v21+)
  • Power BI fails to connect to Dremio with error "access_denied: AADSTS650057: Invalid resource."
  • SSO with OIDC provider fails with "unable to find valid certification path to requested target"
  • Unable to pull Dremio Enterprise Images from Quay.io: manifest unknown / connection refused
  • Backup process fails with "unable to find valid certification path to requested target" exception
  • Promoted Parquet files being Processed with ICEBERG_SUB_SCAN instead of PARQUET_ROW_GROUP_SCAN
  • Error: “Tabular UDFs must not be correlated” When Creating a Function
  • May 2025 PowerBi update issue (Cannot convert the value null to type Record)
  • Corrupted Zookeeper Transaction Log Due to Full Filesystem
  • Resolving IllegalStateException Error in HASH_JOIN Operations
  • PostgreSQL foreign table not shown in datasets page
  • INFORMATION_SCHEMA.SCHEMATA queries failing with NullPointerException
  • Failed to run command `Document{{dbStats=1}}` causes metadata refresh issues in MongoDB sources
  • How to get all user role details
  • ObjectID not matching with Mongo Object
  • Validation of view sql failed. Version context for table xxx must be specified using AT SQL syntax
  • HOW TO: Resolve Casting Errors in UNION queries with NULL and String Concatenation
  • PLAN ERROR: Error while applying rule AggregateRule
  • Queries failing with SYSTEM ERROR: CompileException .. error: code too large
  • PowerBI Queries failing with SYSTEM ERROR: IllegalStateException: Memory was leaked by query. Memory leaked
  • PostgreSQL queries failing with ERROR: operator does not exist: character varying = integer
  • PowerBI Queries failing with INVALID_DATASET_METADATA ERROR
  • Individual record size is too large to fit into page size
  • Unable to update object ownership using Catalog API
  • CONVERT_FROM("value", 'JSON') Query fails in Nessie source
  • Remove dir# fields when 'Enable partition column inference' is enabled
  • How to troubleshoot a Fast vs Slow query profile
  • Memory leak in "runtimefilter-manager" Allocator in Dremio releases earlier than 25.1.0
  • Issues with reading BigQuery Managed Iceberg Tables in Dremio
  • Defect in runtime filtering causes different results between runs of the same query
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