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TNS could not resolved the the connect identifier specified

Praveen Kumar SinghJul 5 2014 — edited Jul 15 2014

Hi,

When i am trying to run form in browser it is showing error. TNS could not resolved the the connect identifier specified.

All the files location is oraclexe\app\oracle\product\11.2.0\server\network\ADMIN.

I googled but not able to understand as i am trying to lean and all this things are new & confusing to me.

OS is Windows 7

Forms & Report:-11.1.2.2

Database is Express Edition 11G.

sqlnet.ora

SQLNET.AUTHENTICATION_SERVICES = (NTS)

#NAMES.DIRECTORY_PATH= (LDAP, TNSNAMES, HOSTNAME)

tnsnames.ora

XE =

  (DESCRIPTION =

    (ADDRESS = (PROTOCOL = TCP)(HOST = PKS-PC)(PORT = 1521))

    (CONNECT_DATA =

      (SERVER = DEDICATED)

      (SERVICE_NAME = XE)

    )

  )

EXTPROC_CONNECTION_DATA =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))

    )

    (CONNECT_DATA =

      (SID = PLSExtProc)

      (PRESENTATION = RO)

    )

  )

ORACLR_CONNECTION_DATA =

  (DESCRIPTION =

    (ADDRESS_LIST =

      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))

    )

    (CONNECT_DATA =

      (SID = CLRExtProc)

      (PRESENTATION = RO)

    )

  )

listener.ora

SID_LIST_LISTENER =

  (SID_LIST =

    (SID_DESC =

      (SID_NAME = PLSExtProc)

      (ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)

      (PROGRAM = extproc)

    )

    (SID_DESC =

      (SID_NAME = CLRExtProc)

      (ORACLE_HOME = C:\oraclexe\app\oracle\product\11.2.0\server)

      (PROGRAM = extproc)

    )

  )

LISTENER =

  (DESCRIPTION_LIST =

    (DESCRIPTION =

      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1))

      (ADDRESS = (PROTOCOL = TCP)(HOST = PKS-PC)(PORT = 1521))

    )

  )

DEFAULT_SERVICE_LISTENER = (XE)

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Locked on Aug 12 2014
Added on Jul 5 2014
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