iplike.so access denied help!!

i have installed pgsql8.* on fc3 .. it has installed
well and test was successful.
while installing opennms i run the installer
#./installer -disU.. this lead to ca certain error regarding iplike.so
permission denied.

error message

Exception in thread "main" org.postgresql.util.PSQLException: ERROR: could
not access file
"/root/Desktop/downloadable/opennms-1.2.9-1/source/dist/lib/iplike.so":
Permission denied

at
org.postgresql.util.PSQLException.parseServerError(PSQLException.java:139)
at
org.postgresql.core.QueryExecutor.executeV3(QueryExecutor.java:152)
at org.postgresql.core.QueryExecutor.execute(QueryExecutor.java:100)
at org.postgresql.core.QueryExecutor.execute(QueryExecutor.java:43)
at
org.postgresql.jdbc1.AbstractJdbc1Statement.execute(AbstractJdbc1Statement.java:517)
at
org.postgresql.jdbc2.AbstractJdbc2Statement.execute(AbstractJdbc2Statement.java:50)
at
org.postgresql.jdbc1.AbstractJdbc1Statement.execute(AbstractJdbc1Statement.java:298)
at org.opennms.install.Installer.updateIplike(Installer.java:1691)
at org.opennms.install.Installer.install(Installer.java:265)
at org.opennms.install.Installer.main(Installer.java:2450)

plz help me out

ALi

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