Bad public user name or password. Database Server Error: ORA-12541: TNS:no listener ;
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Thread: Bad public user name or password. Database Server Error: ORA-12541: TNS:no listener ;

  1. #1
    Join Date
    Jul 2017
    Posts
    4

    Bad public user name or password. Database Server Error: ORA-12541: TNS:no listener ;

    Hi, Guys,

    I have this problem on my database. Please assist.

    Fatal NI connect error 12541, connecting to:
    (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=MohdJun)(PORT=1521))(CONNECT_DATA=(SERVER=DEDICATED)(SERVI CE_NAME=XE)(CID=(PROGRAM=C:\Primavera\Project Management\pm.exe)(HOST=MOHDJUN)(USER=user))))

    VERSION INFORMATION:
    TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
    Windows NT TCP/IP NT Protocol Adapter for 32-bit Windows: Version 10.2.0.1.0 - Production
    Time: 10-JUL-2017 08:49:59
    Tracing not turned on.
    Tns error struct:
    ns main err code: 12541
    TNS-12541: TNS:no listener
    ns secondary err code: 12560
    nt main err code: 511
    TNS-00511: No listener
    nt secondary err code: 61
    nt OS err code: 0

  2. #2
    Join Date
    Nov 2000
    Location
    Pittsburgh, PA
    Posts
    4,154
    Is your listener running? From dos try the following:

    Code:
    lsnrctl status LISTENER
    You should post the tnsnames.ora file on your database server and application server,
    your listener.ora and sqlnet.ora on you database server and your listener log.
    You can change the IP addresses and/or server names if you want. Without
    additional information we can only guess what is happening.
    this space intentionally left blank

  3. #3
    Join Date
    Jul 2017
    Posts
    4
    Thank you

    I just found the solution. Just Re-start under Services recovery. Then, open again the P6 schedule.

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