For the latest information about Apache ZooKeeper, please visit our website at:
 http://zookeeper.apache.org/
and our wiki, at:
 https://cwiki.apache.org/confluence/display/ZOOKEEPER
Full documentation for this release can also be found in docs/index.html
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Packaging/release artifacts
The release artifact contains the following jar file at the top level:
zookeeper-<version>.jar - legacy jar file which contains all classes
 and source files. Prior to version 3.3.0 this
 was the only jar file available. It has the 
 benefit of having the source included (for
 debugging purposes) however is also larger as
 a result
The release artifact contains the following jar files in "dist-maven" directory:
zookeeper-<version>.jar - bin (binary) jar - contains only class (*.class) files
zookeeper-<version>-sources.jar - contains only src (*.java) files
zookeeper-<version>-javadoc.jar - contains only javadoc files
These bin/src/javadoc jars were added specifically to support Maven/Ivy which have 
the ability to pull these down automatically as part of your build process. 
The contents of the legacy jar and the bin + sources jars are the same.
As of version 3.3.0, the bin, sources and javadoc jars contained in the
dist-maven directory are deployed to the central repository after the release
is voted on and approved by the Apache ZooKeeper PMC:
 https://repo1.maven.org/maven2/org/apache/zookeeper/zookeeper/