[jira] [Created] (HADOOP-8099) Change to nodemanager build now requires 32-bit libraries

["Ralph H Castain (Created) (JIRA)" <ji...@apache.org>]

Change to nodemanager build now requires 32-bit libraries
---------------------------------------------------------

                 Key: HADOOP-8099
                 URL: https://issues.apache.org/jira/browse/HADOOP-8099
             Project: Hadoop Common
          Issue Type: Bug
    Affects Versions: 0.23.0
         Environment: Centos 6, x86_64
            Reporter: Ralph H Castain


Sometime during the last week, someone committed a change to:

hadoop-mapreduce-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/pom.xml

that inserted a -m32 in:


               <configureEnvironment>
                 <property>
                   <name>CFLAGS</name>
                  <value>-DHADOOP_CONF_DIR=${container-executor.conf.dir} -m32</value>


This breaks the build on 64-bit systems that do not have 32-bit libraries installed. The change was actually not required as 64-bit support for JNI and JVMs is readily available and installed by default on many 64-bit systems. Removing the flag results in a completed and functional build.

If mandating 32-bit builds is desired, then a better solution would be to provide a configure flag such as -DHADOOP_32bit_MODE, perhaps with a corresponding flag for 64-bit. Regardless, locking the system to 32-bit builds seems a tad extreme.



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