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https://issues.apache.org/jira/browse/HDFS-11233?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-11233:
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Status: Patch Available (was: Open)
Attached a patch to make a fix. Kindly review. This issue also exists
MAPREDUCE, will filed another JIRA to track that later.
> The APIs to be deprecated after Jackson upgraded
> ------------------------------------------------
>
> Key: HDFS-11233
> URL: https://issues.apache.org/jira/browse/HDFS-11233
> Project: Hadoop HDFS
> Issue Type: Improvement
> Affects Versions: 3.0.0-alpha2
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
>
> After HADOOP-12705, the Jackson version upgraded from 2.2.3 to 2.7.8. This
> lead many APIs which we are used in hadoop being deprecated. Since 2.5, these
> two APIs are deprecated: {{ObjectReader#readerFor(Class<?>
> type)}},{{ObjectWriter#writerWithType(JavaType
> rootType)}}(http://fasterxml.github.io/jackson-databind/javadoc/2.6/com/fasterxml/jackson/databind/ObjectMapper.html).
> According to the doc of ObjectMapper, we can use
> {{ObjectReader#readerFor(Class<?> type)}} and
> {{ObjectWriter#writerFor(JavaType)}} instead.
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