shunping commented on code in PR #38531:
URL: https://github.com/apache/beam/pull/38531#discussion_r3262992958
##########
sdks/java/core/src/main/java/org/apache/beam/sdk/options/PipelineOptionsFactory.java:
##########
@@ -1805,7 +1806,14 @@ static Object deserializeNode(JsonNode node, Method
method) throws IOException {
parser.nextToken();
JsonDeserializer<Object> jsonDeserializer =
getDeserializerForMethod(method);
- return jsonDeserializer.deserialize(parser,
DESERIALIZATION_CONTEXT.copy());
+ // Create a fresh context that is correctly associated with the active
parser.
+ // Using copy() here would leave the context's transient parser field as
null,
+ // causing NullPointerExceptions in Jackson 2.14+ deserializers during
coercion
+ // validations and length checks.
+ DefaultDeserializationContext context =
+ ((DefaultDeserializationContext) MAPPER.getDeserializationContext())
+ .createInstance(MAPPER.getDeserializationConfig(), parser, new
InjectableValues.Std());
Review Comment:
Done
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