Understanding Bare Line Feeds are Illegal Error Code in Azure Databricks

When working with Azure Databricks, you may encounter an error code that can be frustrating to resolve. The 'BareLineFeedsAreIllegal' error code is one such issue that can prevent your pipeline from functioning correctly. In this article, we'll explore the causes and possible solutions for this error.

Causes of BareLineFeedsAreIllegal Error

The 'BareLineFeedsAreIllegal' error occurs when there is an issue with the base parameters notebook in your Azure Databricks pipeline. Specifically, it can happen when a non-empty value is not passed to the base_parameters field. This can result in a JSON map field that does not contain a valid key-value pair.

Symptoms of BareLineFeedsAreIllegal Error

When you encounter this error, you may see a message indicating that Azure Databricks was unable to parse the request object due to an incorrect 'key' and 'value' pair. You may also receive an authoring error stating that no value was provided for the parameter.

Possible Solutions for BareLineFeedsAreIllegal Error

To resolve this issue, you can try inspecting your pipeline JSON and ensuring that all parameters in the baseParameters notebook specify a non-empty value. Additionally, you can review existing TSGs (Technical Solution Guides) to find possible resolutions for similar issues.

In some cases, hardcoding a valid string value as a parameter value may resolve the issue. This is because Azure Databricks appears to ignore lower case and uppercase differences when processing parameter values.

The 'BareLineFeedsAreIllegal' error code in Azure Databricks can be caused by an incorrect configuration of base parameters in your pipeline. By inspecting your JSON map fields and ensuring that all parameters have non-empty values, you can resolve this issue and get your pipeline functioning correctly. Remember to review existing TSGs and consider hardcoding valid string values as a potential solution.

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