linux下, sqlplus能连上oracle, 但pl/sql developer连不上的最主要的原因

linux下, sqlplus能连上oracle, 但pl/sql developer连不上的最主要的原因

vi   /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora

SID_LIST_LISTENER =

  (SID_LIST =

    (SID_DESC =

      (SID_NAME = PLSExtProc)

      (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)

      (PROGRAM = extproc)

    )

    (SID_DESC =

      (GLOBAL_DBNAME = xxx)

      (ORACLE_HOME = /u01/app/oracle/product/10.2.0/db_1)

      (SID_NAME = xxx)

    )

  )

LISTENER =

  (DESCRIPTION_LIST =

    (DESCRIPTION =

      (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC4))

      (ADDRESS = (PROTOCOL = TCP)(HOST = test01)(PORT = 1521))

    )

  )