X-czh commented on code in PR #25797:
URL: https://github.com/apache/flink/pull/25797#discussion_r1903926856
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flink-core/src/main/java/org/apache/flink/api/common/serialization/SerializerConfigImpl.java:
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@@ -356,6 +356,9 @@ public void configure(ReadableConfig configuration,
ClassLoader classLoader) {
configuration
.getOptional(PipelineOptions.FORCE_KRYO_AVRO)
.ifPresent(this::setForceKryoAvro);
+ configuration
+ .getOptional(PipelineOptions.BUILT_IN_COLLECTION_TYPES)
+ .ifPresent(TypeExtractor::setBuiltInCollectionTypesEnabled);
Review Comment:
Adding a switch turned out to be difficult: the type extractor class is a
static utils class, which means we can only set a static vaiable to
parameterize its behavior, but this may also break when the same JVM is reused
to submit multiple jobs. Therefore, it's better to just break
state-comaptiblity as it is, and rely on the state migration tool to do the
work. Will drop the switch commit
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