iplike.so permission denied

trying to install opennms on fc5....

Error..........................
this comes when running ./install -disU of opennms
i have opened all the permission on iplike.so and all its parent
directories.
..................................................
til.PSQLException: ERROR: could not load library
"/opt/OpenNMS/lib/iplike.so": /opt/OpenNMS/lib/iplike.so: failed to map
segment from shared object: Permission denied
at
org.postgresql.core.v3.QueryExecutorImpl.receiveErrorResponse(QueryExecutorImpl.java:1525)
at
org.postgresql.core.v3.QueryExecutorImpl.processResults(QueryExecutorImpl.java:1309)
at
org.postgresql.core.v3.QueryExecutorImpl.execute(QueryExecutorImpl.java:188)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:452)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.executeWithFlags(AbstractJdbc2Statement.java:340)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:332)
at
org.opennms.netmgt.dao.db.InstallerDb.updateIplike(InstallerDb.java:357)
at org.opennms.install.Installer.install(Installer.java:236)
at org.opennms.install.Installer.main(Installer.java:729)

ALi

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