I have LD_LIBRARY_PATH pointing to the full OpenMPI installation, which seems to include the MPI libraries. Is that what you meant by OMPI libraries?
nwatkins@kyoto:~/projects/openmpi_java/openmpi-1.7a1r25994/examples$ echo $LD_LIBRARY_PATH /home/nwatkins/projects/openmpi_java/install/lib: nwatkins@kyoto:~/projects/openmpi_java/openmpi-1.7a1r25994/examples$ ls -l /home/nwatkins/projects/openmpi_java/install/lib total 19372 -rwxr-xr-x 1 nwatkins nwatkins 1027 2012-02-22 09:49 libmca_common_sm.la lrwxrwxrwx 1 nwatkins nwatkins 25 2012-02-22 09:49 libmca_common_sm.so -> libmca_common_sm.so.0.0.0 lrwxrwxrwx 1 nwatkins nwatkins 25 2012-02-22 09:49 libmca_common_sm.so.0 -> libmca_common_sm.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 77835 2012-02-22 09:49 libmca_common_sm.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 1140 2012-02-22 09:49 libmpi_java.la lrwxrwxrwx 1 nwatkins nwatkins 20 2012-02-22 09:49 libmpi_java.so -> libmpi_java.so.0.0.0 lrwxrwxrwx 1 nwatkins nwatkins 20 2012-02-22 09:49 libmpi_java.so.0 -> libmpi_java.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 393888 2012-02-22 09:49 libmpi_java.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 1051 2012-02-22 09:49 libmpi.la lrwxrwxrwx 1 nwatkins nwatkins 15 2012-02-22 09:49 libmpi.so -> libmpi.so.0.0.0 lrwxrwxrwx 1 nwatkins nwatkins 15 2012-02-22 09:49 libmpi.so.0 -> libmpi.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 12002747 2012-02-22 09:49 libmpi.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 1003 2012-02-22 09:49 libompitrace.la lrwxrwxrwx 1 nwatkins nwatkins 21 2012-02-22 09:49 libompitrace.so -> libompitrace.so.0.0.0 lrwxrwxrwx 1 nwatkins nwatkins 21 2012-02-22 09:49 libompitrace.so.0 -> libompitrace.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 86113 2012-02-22 09:49 libompitrace.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 1081 2012-02-22 09:49 libopen-pal.la lrwxrwxrwx 1 nwatkins nwatkins 20 2012-02-22 09:49 libopen-pal.so -> libopen-pal.so.0.0.0 lrwxrwxrwx 1 nwatkins nwatkins 20 2012-02-22 09:49 libopen-pal.so.0 -> libopen-pal.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 2493981 2012-02-22 09:49 libopen-pal.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 1081 2012-02-22 09:49 libopen-rte.la lrwxrwxrwx 1 nwatkins nwatkins 20 2012-02-22 09:49 libopen-rte.so -> libopen-rte.so.0.0.0 lrwxrwxrwx 1 nwatkins nwatkins 20 2012-02-22 09:49 libopen-rte.so.0 -> libopen-rte.so.0.0.0 -rwxr-xr-x 1 nwatkins nwatkins 4695012 2012-02-22 09:49 libopen-rte.so.0.0.0 -rw-r--r-- 1 nwatkins nwatkins 27260 2012-02-22 09:49 mpi.jar drwxrwxr-x 2 nwatkins nwatkins 12288 2012-02-22 09:49 openmpi drwxrwxr-x 2 nwatkins nwatkins 4096 2012-02-22 09:49 pkgconfig On Feb 22, 2012, at 10:25 AM, Ralph Castain wrote: > Hi Noah > > Your LD_LIBRARY_PATH has to include the path to the OMPI libraries so we can > find libmpi. Did you include your $prefix/lib[64] in it? > > On Feb 22, 2012, at 11:02 AM, Noah Watkins wrote: > >> Just gave the nightly release a try and I'm getting an error: >> >> nwatkins@kyoto:~/projects/openmpi_java/openmpi-1.7a1r25994/examples$ mpirun >> -np 1 java Hello >> JAVA BINDINGS FAILED TO LOAD REQUIRED LIBRARIES >> >> My setup is on the latest Ubuntu with: >> >> 1. Built with contrib/platform/hadoop/linux >> 2. Compiled example with mpijavac >> 3. LD_LIBRARY_PATH set to /mpi/java/install/lib >> >> Looks like Java is loading libmpi_java successfully, and something is going >> awry with the library magic in mpi_MPI.c:loadGlobalLibraries() >> >> Thanks, >> Noah >> >> On Feb 21, 2012, at 3:05 PM, Ralph Castain wrote: >> >>> Hi folks >>> >>> With support from EMC, several of us in the Open MPI community (including >>> LANL, Cisco, HLRS, Oracle, and IBM) have integrated Java bindings into the >>> Open MPI code. The new bindings are not part of a formal release as this >>> time (will be in the upcoming 1.7 series), but can be obtained from the >>> Open MPI web site at: >>> >>> http://www.open-mpi.org/nightly/trunk/ >>> >>> Instructions on how to build the binding support, build and run >>> applications, etc. can be found in our FAQ section: >>> >>> http://www.open-mpi.org/faq/?category=java >>> >>> Please feel free to post questions and bug reports to the OMPI User mailing >>> list: >>> >>> http://www.open-mpi.org/community/lists/ompi.php >>> >>> >>> I hope to release a version of Hamster in the not-too-distant future, once >>> I finally get the 0.23 Hadoop release branch to successfully build and run >>> on at least one of my machines (I've given up on the trunk). :-/ >>> >>> Ralph >>> >> >