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https://issues.apache.org/jira/browse/FLINK-19291?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17199798#comment-17199798
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Jark Wu commented on FLINK-19291:
---------------------------------
Thanks for reporting this [~xiaozilong]. This is a bug in
{{AvroSchemaConverter.convertToSchema}}, the {{rowTypeCounter}} is still
possible to be duplicate which causes this problem.
> Meeting `SchemaParseException` when use `AvroSchemaConverter` converts flink
> logical type
> -----------------------------------------------------------------------------------------
>
> Key: FLINK-19291
> URL: https://issues.apache.org/jira/browse/FLINK-19291
> Project: Flink
> Issue Type: Bug
> Components: Formats (JSON, Avro, Parquet, ORC, SequenceFile)
> Affects Versions: 1.11.0
> Reporter: xiaozilong
> Priority: Major
>
> Hi, I use `AvroSchemaConverter` to converts flink logical type into an avro
> schema will be throw `SchemaParseException` when there are both row type and
> row array type
>
> This is my simplified code
> {code:java}
> RowType rowType = (RowType) TableSchema.builder()
> .field("row", DataTypes.ROW(DataTypes.FIELD("string_field",
> DataTypes.STRING())))
> .field("row_array",
> DataTypes.ARRAY(DataTypes.ROW(DataTypes.FIELD("string_field",
> DataTypes.STRING()))))
> .build().toRowDataType().getLogicalType();
> Schema schema = AvroSchemaConverter.convertToSchema(rowType);
> System.out.println(schema);
> {code}
>
> it will throw
> {code:java}
> org.apache.avro.SchemaParseException: Can't redefine: row_1
> at org.apache.avro.Schema$Names.put(Schema.java:1128)
> at org.apache.avro.Schema$NamedSchema.writeNameRef(Schema.java:562)
> at org.apache.avro.Schema$RecordSchema.toJson(Schema.java:690)
> at org.apache.avro.Schema$ArraySchema.toJson(Schema.java:805)
> at org.apache.avro.Schema$UnionSchema.toJson(Schema.java:882)
> at org.apache.avro.Schema$RecordSchema.fieldsToJson(Schema.java:716)
> at org.apache.avro.Schema$RecordSchema.toJson(Schema.java:701)
> at org.apache.avro.Schema.toString(Schema.java:324)
> at org.apache.avro.Schema.toString(Schema.java:314)
> at java.lang.String.valueOf(String.java:2994)
> at java.io.PrintStream.println(PrintStream.java:821)
> at
> org.apache.flink.formats.avro.typeutils.AvroSchemaConverterTest.testRowTypeAvroSchemaConversion(AvroSchemaConverterTest.java:99)
>
> at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)
> {code}
> Thanks!
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