[Sqlrelay-discussion] OCIServerAttach() failed. ??

[<th...@ho...>]

hello.
i execute sqlr-relay

#sqlr-relay -id testOR
-------------------------------------------------------
Starting listener:
  sqlr-listener -id testOR -config /usr/local/firstworks/etc/sqlrelay.conf

Starting 5 connections to testOR :
  sqlr-connection-oracle8 -id testOR -connectionid testOR -config 
/usr/local/firstworks/etc/sqlrelay.conf
OCIServerAttach() failed.

ORA-12535: TNS:operation timed out
sqlr-connection-oracle8 failed to start.


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--------------------------------------
what mean is "OCIServerATtach() failed" ??
what mean is "ORA-12535: TNS:operation timed out" ??

help please,

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