#!/usr/bin/ksh export CLASSPATH="/usr/work/ticket/ETicketClient.jar:." PATH=$PATH:"/usr/work/ticket/" test="This is new title" result=`java ETicket.ETicketClient -i Ticket -n p_name -t "$test"` echo $result; #### #!/usr/bin/perl -w $ENV{CLASSPATH}="/usr/work/ticket/ETicketClient.jar:."; $ENV{PATH}.=":/usr/work/ticket/" $test="This is perl ticket"; my $result =qx/java ETicket.ETicketClient -i TICKET -n p_name -t "$test"/; print $result; #### Exception in thread "main" java.lang.NoClassDefFoundError: ETicket/ETicketClient Quotes are required for API to recognize options.