[Sqlrelay-discussion] ./sqlr-start -id oracletest with Error

[<tss...@16...>]

hi,all:
my sqlrelay.conf:
<?xml version="1.0"?>
<!DOCTYPE instances SYSTEM "sqlrelay.dtd">
<instances>
        <instance id="oracletest" port="9000" socket="/tmp/oracletest.socket" dbase="oracle" connections="3" maxconnections="5" maxqueuelength="0" growby="1" ttl="60" endofsession="commit" sessiontimeout="600" runasuser="nobody" runasgroup="nobody" cursors="5" authtier="connection" handoff="pass" debug="listener_and_connection">
                <users>
                        <user user="oracletest" password="oracletest"/>
                </users>
                <connections>
                        <connection connectionid="oracletest" string="user=USER;password=PASSWORD;oracle_sid=ORACLE_SID;oracle_home=ORACLE_HOME;nls_lang=NLS_LANG;autocommit=yes/no;fetchatonce=FETCHATONCE;maxselectlistsize=MAXSELECTLISTSIZE;maxitembuffersize=MAXITEMBUFFERSIZE" metric="1"/>
                </connections>
        </instance>
</instances>
and i run it:
[root@bigfish bin]# ./sqlr-start -id oracletest
Starting listener:
  sqlr-listener-debug -id oracletest -config /usr/local/sqlrelay/etc/sqlrelay.conf &
sh: line 1: sqlr-listener-debug: command not found
Starting 3 connections to oracletest :
  sqlr-connection-oracle-debug -id oracletest -connectionid oracletest -config /usr/local/sqlrelay/etc/sqlrelay.conf &
sh: line 1: sqlr-connection-oracle-debug: command not found
  sqlr-connection-oracle-debug -id oracletest -connectionid oracletest -config /usr/local/sqlrelay/etc/sqlrelay.conf &
sh: line 1: sqlr-connection-oracle-debug: command not found
  sqlr-connection-oracle-debug -id oracletest -connectionid oracletest -config /usr/local/sqlrelay/etc/sqlrelay.conf &
sh: line 1: sqlr-connection-oracle-debug: command not found
Starting scaler:
  sqlr-scaler  -id oracletest -debug  -config /usr/local/sqlrelay/etc/sqlrelay.conf
sh: line 1: sqlr-scaler: command not found
sqlr-scaler failed to start.
Thanks to MP3.com for sponsoring:
        Clustered/Replicated database support.
        Perl API.
Thanks to FeedLounge for sponsoring:
        Query routing and filtering.
[root@bigfish bin]#
why?