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https://issues.apache.org/jira/browse/HADOOP-7596?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13095085#comment-13095085
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Bruno Mahé commented on HADOOP-7596:
------------------------------------
I am confused.
{noformat}
- JAVA_HOME=`update-alternatives --config java | grep java | cut -f2 -d':'
| cut -f2 -d' ' | sed -e 's/\/bin\/java//'`
+ JAVA_HOME=/usr/lib/jvm/java-6-sun
{noformat}
/usr/lib/jvm/java-6-sun is not valid on my machine (I have the JDK package
installed). So why this path?
And also I see
{noformat}
+if [ -n "$HADOOP_SECURE_DN_USER" ]; then
+ DN_USER=""
+else
+ DN_USER="-c hdfs"
+fi
+
{noformat}
but then it is used later on in paths. Here is one example:
{noformat}
- if start-stop-daemon --start --quiet --oknodo --pidfile
${HADOOP_PID_DIR}/hadoop-hdfs-datanode.pid -c hdfs -x
${HADOOP_PREFIX}/sbin/hadoop-daemon.sh -- --config ${HADOOP_CONF_DIR} start
datanode; then
+ if start-stop-daemon --start --quiet --oknodo --pidfile
${HADOOP_PID_DIR}/hadoop-${DN_USER}-datanode.pid -c ${DN_USER} -x
${HADOOP_PREFIX}/sbin/hadoop-daemon.sh -- --config ${HADOOP_CONF_DIR} start
datanode; then
{noformat}
So
{noformat}
--pidfile ${HADOOP_PID_DIR}/hadoop-${DN_USER}-datanode.pid
{noformat}
would be expanded to
{noformat}
--pidfile ${HADOOP_PID_DIR}/hadoop-c hdfs-datanode.pid
{noformat}
> Enable jsvc to work with Hadoop RPM package
> -------------------------------------------
>
> Key: HADOOP-7596
> URL: https://issues.apache.org/jira/browse/HADOOP-7596
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Affects Versions: 0.20.204.0
> Environment: Java 6, RedHat EL 5.6
> Reporter: Eric Yang
> Assignee: Eric Yang
> Fix For: 0.20.205.0
>
> Attachments: HADOOP-7596.patch
>
>
> For secure Hadoop 0.20.2xx cluster, datanode can only run with 32 bit jvm
> because Hadoop only packages 32 bit jsvc. The build process should download
> proper jsvc versions base on the build architecture. In addition, the shell
> script should be enhanced to locate hadoop jar files in the proper location.
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