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Forum Posts

andre_rizzatti
by New Contributor II
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Ingest __databricks_internal catalog - PERMISSION DENIED

Good morning, I have a DLT process with CDC incremental load and I need to ingest the history as CDC transactions are only recent. To do this I need to ingest data in the __databricks_internal catalog. In my case, as I am full admin, I can do it, how...

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andre_rizzatti
New Contributor II
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The tables do not have specific configuration, and the user who is receiving the error is in a group that has full permission in the INTERNAL catalog

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amde99
by New Contributor
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How can I throw an exception when a .json.gz file has multiple roots?

I have a situation where source files in .json.gz sometimes arrive with invalid syntax containing multiple roots separated by empty braces []. How can I detect this and thrown an exception? Currently the code runs and picks up only record set 1, and ...

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Lakshay
Esteemed Contributor
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Schema validation should help here.

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Karlo_Kotarac
by New Contributor II
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Run failed with error message ContextNotFound

Hi all!Recently we've been getting lots of these errors when running Databricks notebooks:At that time we observed DRIVER_NOT_RESPONDING (Driver is up but is not responsive, likely due to GC.) log on the single-user cluster we use.Previously when thi...

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  • 228 Views
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Lakshay
Esteemed Contributor
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You may also try to run the failing notebook on the job cluster

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amitca71
by Contributor II
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  • 5 replies
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Resolved! exception when using java SQL client

Hi,I try to use java sql. i can see that the query on databricks is executed properly.However, on my client i get exception (see below).versions:jdk: jdk-20.0.1 (tryed also with version 16, same results)https://www.oracle.com/il-en/java/technologies/...

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xebia
New Contributor II
  • 4 kudos

I am using java 17 and getting the same error.

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drag7ter
by New Contributor II
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Configure Service Principle access to GiLab

I'm facing an issue while trying to run my job in db and my notebooks located in Git Lab. When I run job under my personal user_Id it works fine, because I added Git Lab token to my user_Id profile and job able to pull branch from repository. But whe...

  • 192 Views
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Kaniz
Community Manager
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Hi @drag7ter, There might be a missing piece in the setup. Ensure that you’ve correctly entered the Git provider credentials (username and personal access token) for your Service Principle.Confirm that you’ve selected the correct Git provider (GitLab...

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cszczotka
by New Contributor II
  • 392 Views
  • 1 replies
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Ephemeral storage how to create/mount.

Hi,I'm looking for information how to create/mount ephemeral storage to Databricks driver node in Azure Cloud.  Does anyone have any experience working with ephemeral storage?Thanks,

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Kaniz
Community Manager
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Hi @cszczotka,  Azure Databricks allows you to mount cloud object storage to the Databricks File System (DBFS) to simplify data access patterns for users who are unfamiliar with cloud concepts. Mounted data does not work with Unity Catalog, and Dat...

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mvmiller
by New Contributor III
  • 285 Views
  • 1 replies
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Workflow file arrival trigger - does it apply to overwritten files?

I am exploring the use of the "file arrival" trigger for a workflow for a use case I am working on.  I understand from the documentation that it checks every minute for new files in an external location, then initiates the workflow when it detects a ...

  • 285 Views
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Rajani
Contributor
  • 1 kudos

Hi @mvmiller The  "file arrival" trigger for a workflow considers the name of the file,when the same name file was overwritten the workflow didnt triggerred.hope I answered your question! 

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dollyb
by New Contributor III
  • 192 Views
  • 1 replies
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Differences between Spark SQL and Databricks

Hello,I'm using a local Docker Spark 3.5 runtime to test my Databricks Connect code. However I've come across a couple of cases where my code would work in one environment, but not the other.Concrete example, I'm reading data from BigQuery via spark....

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daniel_sahal
Esteemed Contributor
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@dollyb That's because when you've added another dependency on Databricks, it doesn't really know which one it should use. By default it's using built-in com.google.cloud.spark.bigquery.BigQueryRelationProvider.What you can do is provide whole packag...

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HaripriyaP
by New Contributor
  • 124 Views
  • 1 replies
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Multiple Notebooks Migration from one workspace to another without using Git.

Hi all!I need to migrate multiple notebooks from one workspace to another. Is there any way to do it without using Git?Since Manual Import and Export is difficult to do for multiple notebooks and folders, need an alternate solution.Please reply as so...

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daniel_sahal
Esteemed Contributor
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@HaripriyaP You can use databricks CLI to export and import notebooks from one workspace to another.CLI Documentation here:https://github.com/databricks/cli/blob/main/docs/commands.md#databricks-workspace-export---export-a-workspace-object

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HaripriyaP
by New Contributor
  • 154 Views
  • 1 replies
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Multiple Tables Migration from one workspace to another.

Hi all!I need to copy multiple tables from one workspace to another with metadata information. Is there any way to do it?Please reply as soon as possible.

  • 154 Views
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shan_chandra
Honored Contributor III
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@HaripriyaP - Depends on your use case, Either of the below approach can be chosen. 1)  DELTA CLONE(DEEP CLONE) to clone them to the new workspace. 2) Have the same cluster policy/Instance profile of the old workspace to access them in the new worksp...

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bozhu
by Contributor
  • 1031 Views
  • 4 replies
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Delta Live Tables Materialised View Column Comment Error

While materialised view doc says MVs support columns comments, this does not seem like the case for MVs created by DLT. For example, when trying to add a comment to a MV created by DLT, it errors:Any ideas on when this will be fixed/supported?

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bozhu
Contributor
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Just to close the loop here that it seems DLT generated MVs now support column comments.

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Chinu
by New Contributor III
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How do I access to DLT advanced configuration from python notebook?

Hi Team, Im trying to get DLT Advanced Configuration value from the python dlt notebook. For example, I set "something": "some path" in Advanced configuration in DLT and I want to get the value from my dlt notebook. I tried "dbutils.widgets.get("some...

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jose_gonzalez
Moderator
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The following docs will help. Please check the examples https://docs.databricks.com/en/delta-live-tables/settings.html#parameterize-pipelines

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toolhater
by New Contributor II
  • 126 Views
  • 1 replies
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Installing dlt causing error

I'm trying to use the example in big book of engineering 2nd edition-final.pdf and I had an issue with the statementimport dltSo I created another cell and installed it and I noticed I was getting this error:"dataclass_transform() got an unexpected k...

  • 126 Views
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jose_gonzalez
Moderator
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could you get the full error stack trace please

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carlosancassani
by New Contributor III
  • 626 Views
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Update DeltaTable on column type ArrayType(): add element to array

Hi all,I need to perform an Update on a Delta Table adding elements to a column of ArrayType(StringType()) which is initialized empty.Before UpdateCol_1 StringType()Col_2 StringType()Col_3 ArrayType()ValVal[ ]After UpdateCol_1 StringType()Col_2 Strin...

Data Engineering
deltatable
Update
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Kaniz
Community Manager
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Hi @carlosancassani, It seems like you’re trying to append a string to an array column in a Delta table. The error you’re encountering is because you’re trying to assign a string value to an array column, which is not allowed due to type mismatch. To...

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