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https://issues.apache.org/jira/browse/AMQ-7072?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16650175#comment-16650175
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Christopher L. Shannon commented on AMQ-7072:
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I don't see any reason we need to change the default from Jackson. There is no
reason we can't use an external vendor. If the entire purpose is to make this
portable and use JSON-B then we should keep Jackson as the default and allow
someone to switch it out if they want. Jackson has been used for many years
and is one of the most popular JSON serializers (most people use it as the
default) so I'm not in favor of changing the default at all.
> ActiveMQ shouldn't import jackson but use JSON-B instead of jackson to
> support impl switch
> ------------------------------------------------------------------------------------------
>
> Key: AMQ-7072
> URL: https://issues.apache.org/jira/browse/AMQ-7072
> Project: ActiveMQ
> Issue Type: Improvement
> Reporter: Romain Manni-Bucau
> Assignee: Jean-Baptiste Onofré
> Priority: Major
> Fix For: 5.16.0
>
>
> The regression we hit at the moment is that activemq enforces TomEE to import
> jackson whereas it wants to keep johnzon as JSON mapper impl. Since JSON-B
> spec is out and implemented by both I guess it can be the way to solve that
> issue.
> The most blocking thing is
> ./activemq-broker/src/main/java/org/apache/activemq/broker/jmx/DestinationsViewFilter.java
> - which can already not create a mapper if json is empty ;) - but here is
> the list of code location which would be neat to fix:
> {code}
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Partitioning.java:import
> com.fasterxml.jackson.annotation.JsonInclude;
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Partitioning.java:import
> com.fasterxml.jackson.databind.DeserializationFeature;
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Partitioning.java:import
> com.fasterxml.jackson.databind.ObjectMapper;
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Partitioning.java:import
> com.fasterxml.jackson.databind.DeserializationConfig;
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Partitioning.java:import
> com.fasterxml.jackson.databind.SerializationFeature;
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Partitioning.java:import
> com.fasterxml.jackson.databind.annotation.JsonDeserialize;
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Partitioning.java:import
> com.fasterxml.jackson.databind.annotation.JsonSerialize;
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Partitioning.java:import
> com.fasterxml.jackson.annotation.JsonProperty;
> ./activemq-partition/src/main/java/org/apache/activemq/partition/dto/Target.java:import
> com.fasterxml.jackson.annotation.JsonProperty;
> ./activemq-broker/src/main/java/org/apache/activemq/broker/jmx/DestinationsViewFilter.java:import
> com.fasterxml.jackson.databind.ObjectMapper;
> ./activemq-leveldb-store/src/main/java/org/apache/activemq/leveldb/replicated/dto/LogWrite.java:import
> com.fasterxml.jackson.annotation.JsonIgnoreProperties;
> ./activemq-leveldb-store/src/main/java/org/apache/activemq/leveldb/replicated/dto/WalAck.java:import
> com.fasterxml.jackson.annotation.JsonIgnoreProperties;
> ./activemq-leveldb-store/src/main/java/org/apache/activemq/leveldb/replicated/dto/LogDelete.java:import
> com.fasterxml.jackson.annotation.JsonIgnoreProperties;
> ./activemq-leveldb-store/src/main/java/org/apache/activemq/leveldb/replicated/dto/Transfer.java:import
> com.fasterxml.jackson.annotation.JsonIgnoreProperties;
> ./activemq-leveldb-store/src/main/java/org/apache/activemq/leveldb/replicated/dto/Login.java:import
> com.fasterxml.jackson.annotation.JsonIgnoreProperties;
> {code}
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