[GitHub] marmbrus commented on issue #23733: [SPARK-26824][SS]Fix the checkpoint location and _spark_metadata when it contains special chars

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marmbrus commented on issue #23733: [SPARK-26824][SS]Fix the checkpoint location and _spark_metadata when it contains special chars
URL: https://github.com/apache/spark/pull/23733#issuecomment-464248482
 
 
   This is great, but I found the error a bit hard to read. What do you think about something like:
   
   ```
   Error: we detected a possible problem with the location of your checkpoint 
   and you likely need to move it before restarting this query.
   
   Earlier version of Spark incorrectly escaped paths when writing out 
   checkpoints for structured streaming.  While this was corrected in 
   Spark 3.0, it appears that your query was started using an earlier 
   version that incorrectly handled the checkpoint path.
   
   Correct Checkpoint Directory: ....
   Incorrect Checkpoint Directory: ...
   
   Please move the data from the incorrect directory to the the 
   correct one and then restart this query. If you believe you are 
   receiving this message in error, you can disable it with (...)
   ```

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