BruceKellan opened a new issue #4247:
URL: https://github.com/apache/hudi/issues/4247
**Describe the problem you faced**
I am using flink+hudi to initial dataset from hive.
but unsupport operation exception occur like this, it seems like doesn't
support map type in bulk_insert mode but it's supported in upsert mode.
```java
Caused by: java.lang.UnsupportedOperationException: Unsupported type:
MAP<STRING, STRING>
at
org.apache.hudi.io.storage.row.parquet.ParquetSchemaConverter.convertToParquetType(ParquetSchemaConverter.java:620)
at
org.apache.hudi.io.storage.row.parquet.ParquetSchemaConverter.convertToParquetType(ParquetSchemaConverter.java:544)
at
org.apache.hudi.io.storage.row.parquet.ParquetSchemaConverter.convertToParquetMessageType(ParquetSchemaConverter.java:538)
at
org.apache.hudi.io.storage.row.RowDataParquetWriteSupport.<init>(RowDataParquetWriteSupport.java:45)
at
org.apache.hudi.io.storage.row.HoodieRowDataParquetWriteSupport.<init>(HoodieRowDataParquetWriteSupport.java:47)
at
org.apache.hudi.io.storage.row.HoodieRowDataFileWriterFactory.newParquetInternalRowFileWriter(HoodieRowDataFileWriterFactory.java:68)
at
org.apache.hudi.io.storage.row.HoodieRowDataFileWriterFactory.getRowDataFileWriter(HoodieRowDataFileWriterFactory.java:54)
at
org.apache.hudi.io.storage.row.HoodieRowDataCreateHandle.createNewFileWriter(HoodieRowDataCreateHandle.java:203)
at
org.apache.hudi.io.storage.row.HoodieRowDataCreateHandle.<init>(HoodieRowDataCreateHandle.java:100)
at
org.apache.hudi.sink.bulk.BulkInsertWriterHelper.getRowCreateHandle(BulkInsertWriterHelper.java:118)
at
org.apache.hudi.sink.bulk.BulkInsertWriterHelper.write(BulkInsertWriterHelper.java:97)
at
org.apache.hudi.sink.append.AppendWriteFunction.processElement(AppendWriteFunction.java:82)
at
org.apache.flink.streaming.api.operators.ProcessOperator.processElement(ProcessOperator.java:66)
at
org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.pushToOperator(CopyingChainingOutput.java:71)
at
org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:46)
at
org.apache.flink.streaming.runtime.tasks.CopyingChainingOutput.collect(CopyingChainingOutput.java:26)
at
org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:50)
at
org.apache.flink.streaming.api.operators.CountingOutput.collect(CountingOutput.java:28)
at StreamExecCalc$939.processElement(Unknown Source)
```
**Expected behavior**
* Hudi version : 0.10.0
* Hive version : 2.3.7
* Hadoop version : 2.7.3
* Storage (HDFS/S3/GCS..) : HDFS
* Running on Docker? (yes/no) : no
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