[jira] [Created] (PARQUET-1851) ParquetMetadataConveter throws NPE in an Iceberg unit test

[Junjie Chen (Jira)]

Junjie Chen created PARQUET-1851:
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             Summary: ParquetMetadataConveter throws NPE in an Iceberg unit test
                 Key: PARQUET-1851
                 URL: https://issues.apache.org/jira/browse/PARQUET-1851
             Project: Parquet
          Issue Type: Bug
    Affects Versions: 1.11.0
            Reporter: Junjie Chen


When writing data to parquet in an Iceberg unit test, it throws NPE as below
{code:java}
// code placeholder

java.lang.NullPointerExceptionjava.lang.NullPointerException at 
org.apache.parquet.format.converter.ParquetMetadataConverter.addRowGroup(ParquetMetadataConverter.java:476)
 at 
org.apache.parquet.format.converter.ParquetMetadataConverter.toParquetMetadata(ParquetMetadataConverter.java:177)
 at 
org.apache.parquet.hadoop.ParquetFileWriter.serializeFooter(ParquetFileWriter.java:914)
 at org.apache.parquet.hadoop.ParquetFileWriter.end(ParquetFileWriter.java:864) 
at org.apache.iceberg.parquet.ParquetWriter.close(ParquetWriter.java:206) at 
org.apache.iceberg.data.TestLocalScan.writeFile(TestLocalScan.java:429)
{code}
 



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