Re: [PR] [SPARK-44751][SQL][FOLLOWUP] Change `xmlExpressions.scala` package name [spark]

["EnricoMi (via GitHub)" <gi...@apache.org>]

EnricoMi commented on PR #43102:
URL: https://github.com/apache/spark/pull/43102#issuecomment-1759541718

   This is strange, calling into any SQL function in org.apache.spark.sql.functions fails for latest 4.0.0-SNAPSHOT
   
   ```
   sum($"id")
   
   java.lang.NoClassDefFoundError: org/apache/spark/sql/catalyst/expressions/xml/XmlToStructs
   
   Cause: java.lang.ClassNotFoundException: org.apache.spark.sql.catalyst.expressions.xml.XmlToStructs
     at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
     at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
     at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
   ```
   
   This works perfectly fine from the spark-shell but not from a Scala application that depends on the Spark SNAPSHOT jars.
   
   I have no idea why `XmlToStructs` is being looked for in `org.apache.spark.sql.catalyst.expressions.xml`.
   
   I have removed all caching of SNAPSHOT jars.
   
   I have last seen this working on Sep 27th: https://github.com/G-Research/spark-extension/actions/runs/6330717992/job/17193860638
   and first failing on Oct, 10th: https://github.com/G-Research/spark-extension/actions/runs/6419624422/job/17556921640#step:3:4482


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