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https://issues.apache.org/jira/browse/AVRO-1401?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16047857#comment-16047857
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Gabor Szadovszky commented on AVRO-1401:
----------------------------------------
+1
Wait another day and will commit if there are no more comments.
> @Nullable does not work with byte[]
> -----------------------------------
>
> Key: AVRO-1401
> URL: https://issues.apache.org/jira/browse/AVRO-1401
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.7.5
> Reporter: dennis lucero
> Assignee: Nandor Kollar
> Labels: java, reflection, union
>
> @Nullable does not seem to be compatible with byte[] (Avro type bytes)
> {code:java}
> public static void main(String[] args) throws IOException
> {
> Schema schema = ReflectData.get().getSchema(MyRecord.class);
> DatumWriter<?> protocol = ReflectData.get().createDatumWriter(schema);
> DataFileWriter<MyRecord> writer = new
> DataFileWriter(protocol).create(schema, System.out);
> writer.append(new MyRecord());
> writer.close();
> }
> public static class MyRecord {
> @Nullable
> byte[] bytes = "foo".getBytes();
> }
> {code}
> {code}
> org.apache.avro.UnresolvedUnionException: Not in union
> ["null",{"type":"bytes","java-class":"[B"}]: [B@6d3f1f92
> at
> org.apache.avro.generic.GenericData.resolveUnion(GenericData.java:600)
> at
> org.apache.avro.generic.GenericDatumWriter.resolveUnion(GenericDatumWriter.java:151)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:71)
> at
> org.apache.avro.reflect.ReflectDatumWriter.write(ReflectDatumWriter.java:143)
> at
> org.apache.avro.generic.GenericDatumWriter.writeField(GenericDatumWriter.java:114)
> at
> org.apache.avro.reflect.ReflectDatumWriter.writeField(ReflectDatumWriter.java:175)
> at
> org.apache.avro.generic.GenericDatumWriter.writeRecord(GenericDatumWriter.java:104)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:66)
> at
> org.apache.avro.reflect.ReflectDatumWriter.write(ReflectDatumWriter.java:143)
> at
> org.apache.avro.generic.GenericDatumWriter.write(GenericDatumWriter.java:58)
> at org.apache.avro.file.DataFileWriter.append(DataFileWriter.java:257)
> {code}
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