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09-11-2023 10:39 PM
The error message you're encountering in PySpark when using dbutils.notebook.run() suggests that the context in which you are attempting to call the run() method is not valid. PySpark notebooks in Databricks have certain requirements when it comes to using dbutils.notebook.run() in a multi-threaded environment.
Here are some steps you can follow to address this issue:
Set Notebook Context:
- As indicated in the error message, you should set the notebook context using dbutils.notebook.setContext(ctx) before calling dbutils.notebook.run(). The ctx value should be retrieved from the main thread in the same cell.
# Retrieve the context in the main thread
ctx = dbutils.notebook.entry_point.getDbutils().notebook().getContext()
# Set the context
dbutils.notebook.setContext(ctx)
# Now you can call dbutils.notebook.run()
dbutils.notebook.run(...) QR Code Scanner
The key is to set the notebook context correctly and ensure that any concurrent execution is managed in a way that does not interfere with the notebook's context and execution.
