Avoid allowing payload class changes in HoodieStreamer

[hudi-bot]

As part of [https://github.com//pull/13615/files#r2274346707] 

we came across a scenario, where HoodieStreamer allows switching payload classes. 

We don't allow this w/ spark data source writes. 

So, lets chase down why we allow this for HoodieStreamer and if no valid reasons are found, we should fix the gap and throw exception if a user tries to change the payload class w/ HoodieStreamer. 

 

JIRA info

• Link: https://issues.apache.org/jira/browse/HUDI-9714
• Type: Sub-task
• Parent: https://issues.apache.org/jira/browse/HUDI-9560
• Fix version(s):
  • 1.1.0

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Comments

22/Aug/25 16:48;linliu;Spark data source, actually allows payload classes overwritten.

Meanwhile, we know Hudi also allows merge strategy id, merge mode overwritten.

This is not a block for 1.1 release, since this behavior already exists.

I will do some scoping before start working on this.;;;

[yihua]

Fixed by #13959