nkeywal created HBASE-7104:
------------------------------

             Summary: HBase includes multiple versions of netty: 3.5.0; 3.2.4; 
3.2.2
                 Key: HBASE-7104
                 URL: https://issues.apache.org/jira/browse/HBASE-7104
             Project: HBase
          Issue Type: Bug
          Components: build
    Affects Versions: 0.96.0
            Reporter: nkeywal
            Assignee: nkeywal
            Priority: Minor
             Fix For: 0.96.0


We've got 3 of them on trunk.

[INFO] org.apache.hbase:hbase-server:jar:0.95-SNAPSHOT
[INFO] +- io.netty:netty:jar:3.5.0.Final:compile
[INFO] +- org.apache.zookeeper:zookeeper:jar:3.4.3:compile
[INFO] |  \- org.jboss.netty:netty:jar:3.2.2.Final:compile

[INFO] org.apache.hbase:hbase-hadoop2-compat:jar:0.95-SNAPSHOT
[INFO] +- org.apache.hadoop:hadoop-client:jar:2.0.2-alpha:compile
[INFO] |  +- 
org.apache.hadoop:hadoop-mapreduce-client-app:jar:2.0.2-alpha:compile
[INFO] |  |  \- org.jboss.netty:netty:jar:3.2.4.Final:compile


The patch attached:
- fixes this for hadoop 1 profile
- bump the netty version to 3.5.9
- does not fix it for hadoop 2. I don't know why, but I haven't investigate: as 
it's still alpha may be they will change the version on hadoop side anyway.

Tests are ok.

I haven't really investigated the differences between netty 3.2 and 3.5. A 
quick search seems to say it's ok, but don't hesitate to raise a warning...

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