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https://issues.apache.org/jira/browse/FLINK-1567?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14332107#comment-14332107
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ASF GitHub Bot commented on FLINK-1567:
---------------------------------------
Github user rmetzger commented on a diff in the pull request:
https://github.com/apache/flink/pull/413#discussion_r25130794
--- Diff:
flink-java/src/main/java/org/apache/flink/api/java/typeutils/runtime/AvroSerializer.java
---
@@ -91,7 +98,22 @@ public T createInstance() {
@Override
public T copy(T from) {
checkKryoInitialized();
- return this.kryo.copy(from);
+ try {
+ return this.kryo.copy(from);
+ } catch(KryoException ke) {
+ // kryo was unable to copy it, so we do it through
serialization:
+ ByteArrayOutputStream baout = new
ByteArrayOutputStream();
+ Output output = new Output(baout);
+
+ kryo.writeObject(output, from);
+
+ output.close();
+
+ ByteArrayInputStream bain = new
ByteArrayInputStream(baout.toByteArray());
+ Input input = new Input(bain);
+
+ return (T)kryo.readObject(input, from.getClass());
--- End diff --
Some Kryo serializers do not implement the copy method. In that case, we do
a serialization copy.
> Add option to switch between Avro and Kryo serialization for GenericTypes
> -------------------------------------------------------------------------
>
> Key: FLINK-1567
> URL: https://issues.apache.org/jira/browse/FLINK-1567
> Project: Flink
> Issue Type: Improvement
> Affects Versions: 0.8.0, 0.9
> Reporter: Robert Metzger
> Assignee: Robert Metzger
>
> Allow users to switch the underlying serializer for GenericTypes.
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