[jira] [Commented] (HADOOP-7518) Unable to start HDFS cluster on trunk (after the common mavenisation)

["Eric Yang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-7518?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13080084#comment-13080084 ] 

Eric Yang commented on HADOOP-7518:
-----------------------------------

Hi Vinod,

Hadoop trunk supports two layouts.  The original layout where common, hdfs, mapreduce are in separated directories.  The new layout which merges common, hdfs, mapreduce into a single deploy directory.  (Recommend for production usage).

For original layout, use these command:

{noformat}
mvn package -Ptar -Dmaven.test.skip.exec=true
ant veryclean tar -Dresolvers=internal
export HADOOP_COMMON_HOME=/tmp/hadoop-common-0.23.0-SNAPSHOT
export HADOOP_HDFS_HOME=/tmp/hadoop-hdfs-0.23.0-SNAPSHOT
{noformat}

For the merged layout, use these command:

{noformat}
mvn package -Pbintar -Dmaven.test.skip.exec=true
ant veryclean binary -Dresolvers=internal
{noformat}

untar both tarballs into the same directory, i.e. /tmp/hadoop.  Make sure HADOOP_*_HOME environment are unset.

Let me know if you have any questions.  Thanks.

> Unable to start HDFS cluster on trunk (after the common mavenisation)
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-7518
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7518
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: scripts
>            Reporter: Vinod Kumar Vavilapalli
>         Attachments: Patch
>
>
> This is what I do:
> In common directory:
> mvn package -Pbintar -Dmaven.test.skip.exec=true 
> cp target/hadoop-common-0.23.0-SNAPSHOT-bin.tar.gz ~/tmp/common/
> In hdfs directory:
> ant veryclean binary -Dresolvers=internal
> cp build/hadoop-hdfs-0.23.0-SNAPSHOT-bin.tar.gz ~/tmp/hdfs/
> Untar the tarballs, and start namenode as follows:
> {quote}
> export HADOOP_COMMON_HOME=~vinodkv/tmp/common/hadoop-common-0.23.0-SNAPSHOT-bin;
> export HADOOP_CONF_DIR=~vinodkv/tmp/conf;
> export HADOOP_HDFS_HOME=~vinodkv/tmp/hdfs/hadoop-hdfs-0.23.0-SNAPSHOT;
> $HADOOP_COMMON_HOME/sbin/hadoop-daemon.sh start namenode
> {quote}
> The last one simply says "Hadoop common not found." and exits.

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