This is the first release candidate for a major release touting several new features. As a major release, it removes several deprecated methods and objects, breaking API in ways that should not affect most users of Hadoop tools.

Some of the major new features introduced in this version include:

• Ability to collocate Hadoop nodes and MongoDB shards for data locality (HADOOP-202)
• Add GridFSInputFormat (HADOOP-272)
• Add MongoSampleSplitter (HADOOP-283)
• Support document replacement (HADOOP-263)
• Add back support for Hadoop 1.2.x (HADOOP-246)

For complete details on the issues resolved in 2.0.0, consult the release notes on Jira: https://jira.mongodb.org/browse/HADOOP/fixforversion/15622

To use this version of the connector within your next project, mention the following in your pom.xml (example includes "core" only):

<dependency>
    <groupId>org.mongodb.mongo-hadoop</groupId>
    <artifactId>mongo-hadoop-core</artifactId>
    <version>2.0.0-rc0</version>
</dependency>

Or for Gradle:

compile 'org.mongodb.mongo-hadoop:mongo-hadoop-core:2.0.0-rc0'

You can also download the jars directly from Maven:

http://repo1.maven.org/maven2/org/mongodb/mongo-hadoop/

If you find a bug or want to request a feature, please file a new HADOOP issue on the MongoDB jira: http://jira.mongodb.org/.

If you need help with the connector, feel free to ask a question on the MongoDB User Group, and someone on our team will get back to you as soon as possible: https://groups.google.com/forum/#!forum/mongodb-user.