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From "Amir Sanjar (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-10988) Community build Apache Hadoop 2.5 fails on Ubuntu 14.04
Date Wed, 11 Mar 2015 19:31:38 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-10988?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14357429#comment-14357429

Amir Sanjar commented on HADOOP-10988:

As a Ubuntu user and developer, how I could help the apache community to fix this problem?
could we add a build option to include/build with native 64 bit libraries, only if it is set.
I am sure using 64 libraries would improve performance

> Community build Apache Hadoop 2.5 fails on Ubuntu 14.04
> -------------------------------------------------------
>                 Key: HADOOP-10988
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10988
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: build
>    Affects Versions: 2.2.0, 2.5.0, 2.4.1
>         Environment: x86_64, Ubuntu 14.04, OpenJDK 7
> hadoop 2.5 tar file from:  http://apache.mirrors.pair.com/hadoop/common/hadoop-2.5.0/
>            Reporter: Amir Sanjar
> Executing any mapreduce applications (i.e. PI) using community version of hadoop build
from http://apache.mirrors.pair.com/hadoop/common/hadoop-2.5.0/ fails with below error message.
Rebuilding from source on an Ubuntu system with flags "clean -Pnative" fixes the problem.
> OpenJDK 64-Bit Server VM warning: You have loaded library /home/ubuntu/hadoop/hadoop-2.2.0/lib/native/libhadoop.so.1.0.0
which might have disabled stack guard. The VM will try to fix the stack guard now.
> It's highly recommended that you fix the library with 'execstack -c <libfile>',
or link it with '-z noexecstack'.
> 14/08/19 21:24:54 WARN util.NativeCodeLoader: Unable to load native-hadoop library for
your platform... using builtin-java classes where applicable
> java.net.ConnectException: Call From node1.maas/ to localhost:9000 failed on
connection exception: java.net.ConnectException: Connection refused; For more details see:
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
>         at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:783)
>         at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:730)

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