Troubleshooting
For troubleshooting articles. Predominantly problem / error, and workaround / solution.
- 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
- Zookeeper Quorum - Dremio Connector failed. - Error message[30001]Connection failure. Host: port:0. Error: The requested address is not valid in its context
- 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
- Things to check when you see the error : java.lang.RuntimeException: java.io.IOException: Incomplete HDFS URI
- 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
- Error while expanding view. User does not have access to <view>
- Error: FATAL: terminating connection due to conflict with recovery
- Troubleshooting Out Of Memory Killer
- Troubleshooting "Failed to read row groups from block split"
- Troubleshooting "java.lang.RuntimeException: org.rocksdb.RocksDBException: IOError(StaleFile)"
- Troubleshooting "AsyncHttpClient is closed"
- Troubleshooting "CANCELLED, transitioned taskState from DONE to BLOCKED_ON_DOWNSTREAM"