prathit06 opened a new pull request, #10313:
URL: https://github.com/apache/hudi/pull/10313
### Change Logs
Describe context and summary for this change :
While using `HoodieParquetInputFormat` to read a partitioned hudi table from
Flink we encountered below exception
```java.lang.NullPointerException
at
org.apache.hudi.hadoop.utils.HoodieRealtimeInputFormatUtils.addProjectionField(HoodieRealtimeInputFormatUtils.java:88)
at
org.apache.hudi.hadoop.HoodieParquetInputFormat.getRecordReader(HoodieParquetInputFormat.java:90)
at
org.apache.flink.api.java.hadoop.mapred.HadoopInputFormatBase.open(HadoopInputFormatBase.java:176)
at
org.apache.flink.api.java.hadoop.mapred.HadoopInputFormatBase.open(HadoopInputFormatBase.java:58)
at
org.apache.flink.streaming.api.functions.source.InputFormatSourceFunction.run(InputFormatSourceFunction.java:84)
at
org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:110)
at
org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:67)
at
org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:333)```
Table type : cow & insert_overwrite
Hudi version : 0.13.1
Flink version : 1.16.0
This PR fixes the NPE & Also adds a simple test case for any further testing
in `HoodieRealtimeInputFormatUtils`
### Impact
Describe any public API or user-facing feature change or any performance
impact._ : NA
### Risk level (write none, low medium or high below)
If medium or high, explain what verification was done to mitigate the risks._
### Contributor's checklist
- [ ] Read through [contributor's
guide](https://hudi.apache.org/contribute/how-to-contribute)
- [ ] Change Logs and Impact were stated clearly
- [ ] Adequate tests were added if applicable
- [ ] CI passed
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