xinrong-meng opened a new pull request, #44194:
URL: https://github.com/apache/spark/pull/44194
### What changes were proposed in this pull request?
Validate startup urls with the config being set, see example in the "Does
this PR introduce _any_ user-facing change".
### Why are the changes needed?
Clear and user-friendly error messages.
### Does this PR introduce _any_ user-facing change?
Yes.
FROM
```py
>>> SparkSession.builder.config(map={"spark.master": "x", "spark.remote":
"y"})
<pyspark.sql.session.SparkSession.Builder object at 0x7fa310115b20
>>> SparkSession.builder.config(map={"spark.master": "x", "spark.remote":
"y"}).config("x", "z") # Only raises the error when adding new configs
Traceback (most recent call last):
...
RuntimeError: Spark master cannot be configured with Spark Connect server;
however, found URL for Spark Connect [y]
```
TO
```py
>>> SparkSession.builder.config(map={"spark.master": "x", "spark.remote":
"y"})
Traceback (most recent call last):
...
RuntimeError: Spark master cannot be configured with Spark Connect server;
however, found URL for Spark Connect [y]
```
### How was this patch tested?
Unit tests.
### Was this patch authored or co-authored using generative AI tooling?
No.
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