guoxin created FLINK-30612:
------------------------------
Summary: ObjectArrayConverter is not thread-safe，raised by
reuseArray、reuseWriter
Key: FLINK-30612
URL: https://issues.apache.org/jira/browse/FLINK-30612
Project: Flink
Issue Type: Bug
Affects Versions: 1.12.2
Reporter: guoxin
data clutter in multi-threaded environment.
{code:java}
package org.apache.flink.table.data.util;
public class DataFormatConverters{
....
public static final class ObjectArrayConverter<T> extends
DataFormatConverter<ArrayData, T[]>{
....
// it's not thread-safe
private transient BinaryArrayData reuseArray;
private transient BinaryArrayWriter reuseWriter;
....
}
....
}
{code}
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