jbonofre commented on PR #11386:
URL: https://github.com/apache/iceberg/pull/11386#issuecomment-2435789965
The problem seems to be related to:
```
java.lang.ClassCastException: class java.lang.String cannot be cast to class
org.apache.flink.table.data.StringData (java.lang.String is in module java.base
of loader 'bootstrap'; org.apache.flink.table.data.StringData is in unnamed
module of loader 'app')
at
org.apache.flink.table.data.GenericRowData.getString(GenericRowData.java:169)
at
org.apache.flink.table.data.RowData.lambda$createFieldGetter$245ca7d1$1(RowData.java:221)
at
org.apache.iceberg.flink.data.RowDataProjection.getValue(RowDataProjection.java:172)
at
org.apache.iceberg.flink.data.RowDataProjection.isNullAt(RowDataProjection.java:193)
at
org.apache.iceberg.flink.data.RowDataUtil.clone(RowDataUtil.java:96)
at
org.apache.iceberg.flink.source.reader.RowDataRecordFactory.clone(RowDataRecordFactory.java:71)
at
org.apache.iceberg.flink.source.reader.RowDataRecordFactory.clone(RowDataRecordFactory.java:28)
at
org.apache.iceberg.flink.source.reader.ArrayPoolDataIteratorBatcher$ArrayPoolBatchIterator.next(ArrayPoolDataIteratorBatcher.java:98)
at
org.apache.iceberg.flink.source.reader.ArrayPoolDataIteratorBatcher$ArrayPoolBatchIterator.next(ArrayPoolDataIteratorBatcher.java:67)
at
org.apache.iceberg.flink.source.reader.IcebergSourceSplitReader.fetch(IcebergSourceSplitReader.java:96)
at
org.apache.flink.connector.base.source.reader.fetcher.FetchTask.run(FetchTask.java:58)
at
org.apache.flink.connector.base.source.reader.fetcher.SplitFetcher.runOnce(SplitFetcher.java:165)
... 6 more
```
So it seems related to string read from the `GenericRowData`. I'm checking.
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