Re: [Kosmosfs-users] Unable to load kfs_access native library in Hadoop

[Sriram R. <sri...@gm...>]

The bit you missed:

Update the LD_LIBRARY_PATH environment variable so that libkfsClient.so can
be loaded

The easiest way to fix this is to copy the libkfsaccess.so from build/lib
to: /home/mine/hadoop-0.20.2/bin/../lib/native/Linux-amd64-64

Sriram

On Sun, May 8, 2011 at 8:22 AM, Tung Nguyen <bet...@ya...> wrote:

> Hi,
> I tried to use Hadoop with KFS. I followed the instruction at
> http://sourceforge.net/apps/trac/kosmosfs/wiki/UsingWithHadoop
> but when I issued #bin/hadoop fs -fs kfs://localhost:20000 -ls /
> I got the following error. I used hadoop-0.20.0 and KFS-0.5
>
> java.lang.UnsatisfiedLinkError: no kfs_access in java.library.path
>         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1709)
>         at java.lang.Runtime.loadLibrary0(Runtime.java:823)
>         at java.lang.System.loadLibrary(System.java:1028)
>         at
> org.kosmix.kosmosfs.access.KfsAccess.<clinit>(KfsAccess.java:103)
>         at org.apache.hadoop.fs.kfs.KFSImpl.<init>(KFSImpl.java:45)
>         at
> org.apache.hadoop.fs.kfs.KosmosFileSystem.initialize(KosmosFileSystem.java:70)
>         at
> org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1378)
>         at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:66)
>         at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1390)
>         at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:196)
>         at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:95)
>         at org.apache.hadoop.fs.FsShell.init(FsShell.java:82)
>         at org.apache.hadoop.fs.FsShell.run(FsShell.java:1731)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>         at org.apache.hadoop.fs.FsShell.main(FsShell.java:1880)
> Unable to load kfs_access native library:
> /home/mine/hadoop-0.20.2/bin/../lib/native/Linux-amd64-64
>
> I am sure that KFS and Hadoop are working fine. I used kfsshell to create
> dir, copy file to kfs and hdfs without any problem.
> In the  /home/mine/hadoop-0.20.2/lib/native/Linux-amd64-64 dir I have:
> -rw-r--r-- 1 mine mine 115416 2010-02-19 03:07 libhadoop.a
> -rw-r--r-- 1 mine mine    904 2010-02-19 03:07 libhadoop.la
> -rw-r--r-- 1 mine mine  75669 2010-02-19 03:07 libhadoop.so
> -rw-r--r-- 1 mine mine  75669 2010-02-19 03:07 libhadoop.so.1
> -rw-r--r-- 1 mine mine  75669 2010-02-19 03:07 libhadoop.so.1.0.0
>
> Please help me out.
> Thank you
> TT
>
>
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