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Posted to issues@hbase.apache.org by "Hudson (Commented) (JIRA)" <ji...@apache.org> on 2012/02/01 03:08:57 UTC
[jira] [Commented] (HBASE-5286) bin/hbase's logic of adding Hadoop
jar files to the classpath is fragile when presented with split packaged
Hadoop 0.23 installation
[ https://issues.apache.org/jira/browse/HBASE-5286?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13197509#comment-13197509 ]
Hudson commented on HBASE-5286:
-------------------------------
Integrated in HBase-TRUNK #2649 (See [https://builds.apache.org/job/HBase-TRUNK/2649/])
HBASE-5286 Added pointer to Lars Hofhansl's blog describing his attempt at adding a '...column prefix delete marker'
stack :
Files :
* /hbase/trunk/src/docbkx/book.xml
> bin/hbase's logic of adding Hadoop jar files to the classpath is fragile when presented with split packaged Hadoop 0.23 installation
> ------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-5286
> URL: https://issues.apache.org/jira/browse/HBASE-5286
> Project: HBase
> Issue Type: Bug
> Components: scripts
> Affects Versions: 0.92.0
> Reporter: Roman Shaposhnik
> Assignee: Roman Shaposhnik
>
> Here's the bit from bin/hbase that might need TLC now that Hadoop can be spotted in the wild in split-package configuration:
> {noformat}
> #If avail, add Hadoop to the CLASSPATH and to the JAVA_LIBRARY_PATH
> if [ ! -z $HADOOP_HOME ]; then
> HADOOPCPPATH=""
> if [ -z $HADOOP_CONF_DIR ]; then
> HADOOPCPPATH=$(append_path "${HADOOPCPPATH}" "${HADOOP_HOME}/conf")
> else
> HADOOPCPPATH=$(append_path "${HADOOPCPPATH}" "${HADOOP_CONF_DIR}")
> fi
> if [ "`echo ${HADOOP_HOME}/hadoop-core*.jar`" != "${HADOOP_HOME}/hadoop-core*.jar" ] ; then
> HADOOPCPPATH=$(append_path "${HADOOPCPPATH}" `ls ${HADOOP_HOME}/hadoop-core*.jar | head -1`)
> else
> HADOOPCPPATH=$(append_path "${HADOOPCPPATH}" `ls ${HADOOP_HOME}/hadoop-common*.jar | head -1`)
> HADOOPCPPATH=$(append_path "${HADOOPCPPATH}" `ls ${HADOOP_HOME}/hadoop-hdfs*.jar | head -1`)
> HADOOPCPPATH=$(append_path "${HADOOPCPPATH}" `ls ${HADOOP_HOME}/hadoop-mapred*.jar | head -1`)
> fi
> {noformat}
> There's a couple of issues with the above code:
> 0. HADOOP_HOME is now deprecated in Hadoop 0.23
> 1. the list of jar files added to the class-path should be revised
> 2. we need to figure out a more robust way to get the jar files that are needed to the classpath (things like hadoop-mapred*.jar tend to match src/test jars as well)
> Better yet, it would be useful to look into whether we can transition HBase's bin/hbase onto using bin/hadoop as a launcher script instead of direct JAVA invocations (Pig, Hive, Sqoop and Mahout already do that)
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