asfimport opened a new issue, #296:
URL: https://github.com/apache/arrow-java/issues/296
if you run the following code:
```Java
ListVector listVector = new ListVector("list", allocator, null);
listVector.allocateNew();
UnionListWriter listWriter = new UnionListWriter(listVector);
listWriter.start();
listWriter.startList();
listWriter.list("a").startList();
listWriter.list("a").bigInt().writeBigInt(1);
listWriter.list("a").bigInt().writeBigInt(2);
listWriter.list("a").bigInt().writeBigInt(3);
listWriter.list("a").endList();
listWriter.list("a").startList();
listWriter.list("a").bigInt().writeBigInt(4);
listWriter.list("a").bigInt().writeBigInt(5);
listWriter.list("a").endList();
listWriter.endList();
listWriter.end();
listWriter.setValueCount(1);
```
listVector will contain:
```
[{"a":[1,2,3,4,5]}]
```
Instead of
```
[{"a":[1,2,3],[4,5]}]
```
**Reporter**: [Abdel Hakim
Deneche](https://issues.apache.org/jira/browse/ARROW-307) / @adeneche
<sub>**Note**: *This issue was originally created as
[ARROW-307](https://issues.apache.org/jira/browse/ARROW-307). Please see the
[migration documentation](https://github.com/apache/arrow/issues/14542) for
further details.*</sub>
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