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Thread: ORA error TNS-12547: TNS:lost contact

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  1. #7
    Join Date
    Nov 2008
    Posts
    9
    Quote Originally Posted by pstarr3
    after i patch upgrade from 10.2.0.1 to 10.2.0.4 i get this error when connecting to sqlplus
    i think that the things is not simple.
    1, you patch your database in host server and local pl/sql connection does not require tnsname.ora file. but remote connection need it.
    2, i suppose that you should check your listener information. in one case i have met the err, because the size of listener.log had reached 2GB on Linux system.
    Last edited by sqlany; 11-27-2008 at 09:44 AM.

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