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From "Jonathan Hsieh (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8472) mvn -Dhadoop.profile=2.0 -Dhadoop-two.version=2.0.5-SNAPSHOT fails because of Undef Class error wrt o.a.h.IdGenerator
Date Tue, 30 Apr 2013 23:40:17 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Hsieh updated HBASE-8472:
----------------------------------

    Attachment: hbase-8472.patch

This seems to do the trick.  I believe the logic is something like this.

The hbase-hadoop2-compat module compiles properly and resolves to the specified hadoop-two.version
at comile time.  There is some sort of order of operations problem where when we get to the
hbase-server module, the transitive pull in of hbase-common gets overridden by the parent
(which has a hard coded hadoop-2.0.2-alpha).
                
> mvn -Dhadoop.profile=2.0 -Dhadoop-two.version=2.0.5-SNAPSHOT fails because of Undef Class
error wrt o.a.h.IdGenerator
> ---------------------------------------------------------------------------------------------------------------------
>
>                 Key: HBASE-8472
>                 URL: https://issues.apache.org/jira/browse/HBASE-8472
>             Project: HBase
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 0.98.0
>            Reporter: Jonathan Hsieh
>            Assignee: Jonathan Hsieh
>         Attachments: hbase-8472.patch
>
>
> {code}
>   <testcase time="1.009" classname="org.apache.hadoop.hbase.replication.TestMasterReplication"
name="testCyclicReplication">
>     <error message="org/apache/hadoop/util/IdGenerator" type="java.lang.NoClassDefFoundError">java.lang.NoClassDefFoundError:
org/apache/hadoop/util/IdGenerator
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:752)
>         at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:261)
>         at org.apache.hadoop.hdfs.DFSTestUtil.formatNameNode(DFSTestUtil.java:146)
>         at org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:775)
>         at org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:642)
>         at org.apache.hadoop.hdfs.MiniDFSCluster.&lt;init&gt;(MiniDFSCluster.java:585)
> ....
> {code}        

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