- 4389 Views
- 2 replies
- 0 kudos
Change in UNRESOLVED_COLUMN error behavior in Runtime 14.3 LTS
I've noticed a change in how Databricks handles unresolved column references in PySpark when using All-purpose compute (not serverless).In Databricks Runtime 14.3 LTS, referencing a non-existent column like this:df = spark.table('default.example').se...
- 4389 Views
- 2 replies
- 0 kudos
- 0 kudos
Databricks has recently changed how unresolved column references are handled in PySpark on All-purpose compute clusters. In earlier Databricks Runtime (DBR) 14.3 LTS builds, referencing a non-existent column—such as: python df = spark.tabl...
- 0 kudos
- 5834 Views
- 8 replies
- 1 kudos
Issue with databricks.sdk - AccountClient Service Principals API
Hi everyone,I’ve been trying to work with the databricks.sdk Python library to manage service principals programmatically. However, I’m running into an issue when attempting to create a service principal using the AccountClient class. Below is the co...
- 5834 Views
- 8 replies
- 1 kudos
- 1 kudos
I am using the Python SDK and to authenticate I am using a SP and a Secret. Here is the code that worked for me in Azure Databricks notebook.from databricks.sdk import AccountClient acct_client = AccountClient( host="https://accounts.azuredatabr...
- 1 kudos
- 1754 Views
- 6 replies
- 1 kudos
Resolved! Serverless Compute - Spark - Jobs failing with Max iterations (1000) reached for batch Resolution
Hello Community,We have been trying to migrate our jobs from Classic Compute to Serverless Compute. As part of this process, we face several challenges, and this is one of them.When we try to execute the existing jobs with Serverless Compute, if the ...
- 1754 Views
- 6 replies
- 1 kudos
- 4903 Views
- 3 replies
- 1 kudos
The authentication value "ActiveDirectoryManagedIdentity" is not valid.
Hi Team,i am trying to connect to SQL server hosted in azure vm using Entra id authentication from Databricks.("authentication", "ActiveDirectoryManagedIdentity")Below is the notebook script i am using. driver = "com.microsoft.sqlserver.jdbc.SQLServe...
- 4903 Views
- 3 replies
- 1 kudos
- 1 kudos
You are encountering an error because the default SQL Server JDBC driver bundled with Databricks may not fully support the authentication value "ActiveDirectoryManagedIdentity"—this option requires at least version 10.2.0 of the Microsoft SQL Server ...
- 1 kudos
- 1810 Views
- 4 replies
- 1 kudos
Resolved! delta as streaming source, can the reader reads only newly appended rows?
Hello everyone,In our implementation of Medallion Architecture, we want to stream changes with spark structured streaming. I would like some advice on how to use delta table as source correctly, and if there is performance (memory usage) concern in t...
- 1810 Views
- 4 replies
- 1 kudos
- 1 kudos
In your scenario using Medallion Architecture with Delta tables as both streaming source and sink, it is important to understand Spark Structured Streaming behavior and performance characteristics, especially with joins and memory usage. Here is a di...
- 1 kudos
- 782 Views
- 1 replies
- 0 kudos
Internal error 500 on databricks vector search endpoint
We are facing an internal 500 error accessing the vector search endpoint through streamlit application, if I refresh the application sometimes the error goes away, it has now started to become an usual occurrence. If I try to query the endpoint using...
- 782 Views
- 1 replies
- 0 kudos
- 0 kudos
The intermittent Internal 500 errors you’re experiencing when accessing the vector search endpoint through a Streamlit app on Databricks—while direct console queries work—suggest an issue with the interaction between your Streamlit app’s environment ...
- 0 kudos
- 403 Views
- 1 replies
- 0 kudos
Databricks Nested Json Flattening
Hi Databricks Community,I am facing an issue while exploding nested JSON data.In the content column, I have dynamic nested JSON, and I am using the below approach to parse and explode it.from pyspark.sql import SparkSessionfrom pyspark.sql.functions ...
- 403 Views
- 1 replies
- 0 kudos
- 0 kudos
You are encountering an AttributeError related to strip, which likely means that some entries for activity.value are not strings (maybe None or dicts) and your code expects all to be strings before calling .strip(). This kind of problem can arise if ...
- 0 kudos
- 974 Views
- 2 replies
- 0 kudos
Resolved! DATABRICKS LAKEFLOW SQL SERVER INGESTION PIPELINE ERROR
Hey Team,I am getting below error while creating pipeline :com.databricks.pipelines.execution.extensions.managedingestion.errors.ManagedIngestionNonRetryableException: [INGESTION_GATEWAY_DDL_OBJECTS_MISSING] DDL objects missing on table 'coedb.dbo.so...
- 974 Views
- 2 replies
- 0 kudos
- 0 kudos
The error you are seeing means Databricks cannot capture DDL (table definition) changes, even though CDC (Change Data Capture) and CT (Change Tracking) are enabled. You must run the specific DDL support objects script for Databricks ingestion and the...
- 0 kudos
- 830 Views
- 2 replies
- 0 kudos
Resolved! Urgency: How to do Data Migration task using Databricks Lakebridge tool ?
Dear community expert,I have completed two phases Analyzer & Converter of Databricks Lakebridge but stuck at migrating data from source to target using lakebridge. I have watched BrickBites Series on Lakebridge but did not find on how to migrate data...
- 830 Views
- 2 replies
- 0 kudos
- 0 kudos
To migrate tables and views from Snowflake (source) to Databricks (target) using Lakebridge, you must export your data from Snowflake into a supported cloud storage (usually as Parquet files), then import these files into Databricks Delta tables. Lak...
- 0 kudos
- 9373 Views
- 8 replies
- 0 kudos
How we can send databricks log to Azure Application Insight ?
Hi All,I want to send databricks logs to azure application insight.Is there any way we can do it ??Any blog or doc will help me.
- 9373 Views
- 8 replies
- 0 kudos
- 0 kudos
Hello,I finally used he AppInsights agent from OpenTelemetry which is documented in the official Microsoft documentation here:https://learn.microsoft.com/en-us/azure/azure-monitor/app/opentelemetry-enable?tabs=javaBelow is an adaptation of this "Get ...
- 0 kudos
- 4507 Views
- 3 replies
- 3 kudos
When to Use and when Not to Use Liquid Clustering?
Hi everyone,I’m looking for some practical guidance and experiences around when to choose Liquid Clustering versus sticking with traditional partitioning + Z-ordering.From what I’ve gathered so far:For small tables (<10TB), Liquid Clustering gives s...
- 4507 Views
- 3 replies
- 3 kudos
- 3 kudos
Deciding between Liquid Clustering and traditional partitioning with Z-ordering depends on table size, query patterns, number of clustering columns, and file optimization needs. For tables under 10TB with queries consistently filtered on 1–2 columns,...
- 3 kudos
- 898 Views
- 4 replies
- 0 kudos
Resolved! MERGE operation not performing data skipping with liquid clustering on key columns
Hi, I need some help understanding a performance issue.I have a table that reads approximately 800K records every 30 minutes in an incremental manner.Let’s say its primary key is:timestamp, x, y This table is overwritten every 30 minutes and serves ...
- 898 Views
- 4 replies
- 0 kudos
- 0 kudos
MERGE is not a pure read plus filter operationEven though Liquid Clustering organizes your data by key ranges and writes min/max stats, the MERGE engine has to identify both matches and non-matches.That means the query planner must:Scan all candidate...
- 0 kudos
- 3109 Views
- 3 replies
- 1 kudos
Resolved! Schema updating with CI/CD development in SQL
Hi all,I am working to resolve how to build tables in a development workspace catalog and then easily migrate the code to a production catalog without manually altering the schema name. For those unaware, you can't have the same catalog names in deve...
- 3109 Views
- 3 replies
- 1 kudos
- 1 kudos
I will like to see an example from databricks that how will alembic and databricks works together, especially with schema evo. I think once schema got changed by schema evo, the alembic version not valid anymore. Wondering how to handle it properly. ...
- 1 kudos
- 4700 Views
- 5 replies
- 2 kudos
Reading from an S3 bucket using boto3 on serverless cluster
Hello All,I am trying to read a CSV file from my S3 bucket in a notebook running on serverless.I am using the two standard functions below, but I get a credentials error (Error reading CSV from S3: Unable to locate credentials).I don't have this issu...
- 4700 Views
- 5 replies
- 2 kudos
- 2 kudos
Boto3 with Access/Secret Key worked. I will try the Service Credentials. If Databricks Documentation is right, Instance Profiles with Serverless should work to establish Boto3 connection, but, unfortunately, setting up instance profiles on Serverles...
- 2 kudos
- 1637 Views
- 2 replies
- 0 kudos
Urgency: Getting Lakebridge installation failed in our organization environment (laptop)
Dear community expert,I’m reaching out for assistance with installing Databricks Lakebridge on my organization laptop. I have confirmed the stated prerequisites are installed: Java 22+, Python 3.11+, and the latest Databricks CLI, but the installer f...
- 1637 Views
- 2 replies
- 0 kudos
- 0 kudos
Additionally, you can check the following documentation and links that I found, which may help you:1) To view the available Python versions and guidance on using a virtual environment (virtualenv or conda):https://www.piwheels.org/project/databricks-...
- 0 kudos
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