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ASF GitHub Bot commented on HADOOP-19544: ----------------------------------------- pjfanning commented on code in PR #7623: URL: https://github.com/apache/hadoop/pull/7623#discussion_r2225761556 ########## hadoop-yarn-project/hadoop-yarn/hadoop-yarn-common/src/main/java/org/apache/hadoop/yarn/webapp/YarnJacksonJaxbJsonProvider.java: ########## @@ -51,6 +53,9 @@ public YarnJacksonJaxbJsonProvider() { public ObjectMapper locateMapper(Class<?> type, MediaType mediaType) { ObjectMapper mapper = super.locateMapper(type, mediaType); configObjectMapper(mapper); + if (type == TimelineAbout.class) { Review Comment: @steveloughran I needed to add this to fix tests. I'm not sure what has changed in Jackson or other libs that requires this to be set here. Also, I would be concerned that other classes might be affected but that unit tests don't deserialize instances for those classes. > upgrade to jackson 2.18 > ----------------------- > > Key: HADOOP-19544 > URL: https://issues.apache.org/jira/browse/HADOOP-19544 > Project: Hadoop Common > Issue Type: Task > Reporter: PJ Fanning > Priority: Major > Labels: pull-request-available > > follow up to HADOOP-19259 -- This message was sent by Atlassian Jira (v8.20.10#820010) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org