[GE users] Java DRMAA : UnsatisfiedLinkError : wrong ELF class: ELFCLASS64 ??

dagru d.gruber at sun.com
Fri Dec 4 09:25:31 GMT 2009


On 12/04/09 08:52, umanga wrote:
> Greetings all,
>
> I developed my application on Debian 64 bit machine with SGE 6.2u4 and 
> worked fine.
> When it is tried to install in a CentOS 5.2 64 bit , with JDK1.6.0_17 
> its giving following error ,What could be the problem ?
>
>   
The problem might be that you are using a 32 bit Java, which fails when 
loading
the 64bit JNI DRMAA lib. Check your Java version (java -version or java 
-help)
in order to figure out if you have the right one and try to use the -d64 
option if
available. Another solution might be that you set the LD_LIBRARY path
to the 32bit lib drmaa path (lx24-x86 path) or you create a symlink from
/ddca/ge6.2u4/lib/lx24-amd64/libdrmaa.so to the 32bit lib drmaa (but 
this could
break other installations!).

Regards

Daniel
> Thanks in advance.
>
>
> java.lang.UnsatisfiedLinkError: 
> /ddca/ge6.2u4/lib/lx24-amd64/libdrmaa.so.1.0: 
> /ddca/ge6.2u4/lib/lx24-amd64/libdrmaa.so.1.0: wrong ELF class: 
> ELFCLASS64 (Possible cause: architecture word width mismatch)
>         at java.lang.ClassLoader$NativeLibrary.load(Native Method)
>         at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1758)
>         at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1683)
>         at java.lang.Runtime.loadLibrary0(Runtime.java:823)
>         at java.lang.System.loadLibrary(System.java:1028)
>         at com.sun.grid.drmaa.SessionImpl$1.run(SessionImpl.java:64)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at com.sun.grid.drmaa.SessionImpl.<clinit>(SessionImpl.java:62)
>         at
> com.sun.grid.drmaa.SessionFactoryImpl.getSession(SessionFactoryImpl.java:60)
>
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