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https://issues.apache.org/jira/browse/CASSANDRA-4102?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13243982#comment-13243982
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Ben McCann commented on CASSANDRA-4102:
---------------------------------------

I replaced the jackson libs in build.xml with the new version:
<dependency groupId="com.fasterxml.jackson.core" artifactId="jackson-core" 
version="2.0.0"/>

Everytime I run ant it passes.  However, it should fail since the new version 
changed the package name.  I have no idea where this caching is happening.  Any 
idea how to make the build fail as it should?
                
> Upgrade to Jackson 2
> --------------------
>
>                 Key: CASSANDRA-4102
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-4102
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Ben McCann
>            Priority: Minor
>
> Cassandra is currently using Jackson 1.4.0.  It would be nice to upgrade to 
> Jackson 2, which is a smaller, lighter, and more modular library.  I'm using 
> Play Framework and SBT, which complain vociferously about Jackson 1 not 
> having its javadoc jars in the Maven repository.  Upgrading to Jackson 2 
> would fix this annoyance.
> Files using Jackson are:
> src/java/org/apache/cassandra/utils/FBUtilities.java
> src/java/org/apache/cassandra/tools/SSTableExport.java
> src/java/org/apache/cassandra/db/compaction/LeveledManifest.java
> Info on Jackson 2 is available on Github and the wiki:
> https://github.com/FasterXML/jackson-core
> http://wiki.fasterxml.com/JacksonRelease20

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