SteNicholas commented on code in PR #3340:
URL: https://github.com/apache/celeborn/pull/3340#discussion_r2158260998
##########
service/src/main/java/org/apache/celeborn/server/common/service/utils/JsonUtils.java:
##########
@@ -30,6 +31,7 @@ public class JsonUtils {
static {
MAPPER.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
MAPPER.setVisibility(PropertyAccessor.FIELD,
JsonAutoDetect.Visibility.ANY);
+ MAPPER.registerModule(new JavaTimeModule());
Review Comment:
Follow up #2555. `JsonUtils#toJson` does not support Java 8 date/time type
`java.time.Instant`, which exception is as follows:
```
Caused by: com.fasterxml.jackson.databind.exc.InvalidDefinitionException:
Java 8 date/time type `java.time.Instant` not supported by default: add Module
"com.fasterxml.jackson.datatype:jackson-datatype-jsr310" to enable handling
(through reference chain:
org.apache.celeborn.server.common.service.model.ClusterInfo["gmtCreate"])
```
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