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ora12541: tns no listener

  1. ora12541: tns no listener

    I just installed oracle 10g db and client tools on my machine. I then try
    to connect to a database and I get the error ORA-12541: TNS: No listener.

    What does that mean and how do i fix it? I am new and inexperienced, sorry.



  2. Re: ora12541: tns no listener

    - Dan - wrote:

    > I just installed oracle 10g db and client tools on my machine. I then try
    > to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    > What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >
    >

    lsnrctl start (I'm assuming 10g is the same as its predecessors)

  3. Re: ora12541: tns no listener

    - Dan - wrote:

    > I just installed oracle 10g db and client tools on my machine. I then try
    > to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    > What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >
    >

    lsnrctl start (I'm assuming 10g is the same as its predecessors)

  4. Re: ora12541: tns no listener

    - Dan - wrote:

    > I just installed oracle 10g db and client tools on my machine. I then try
    > to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    > What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >
    >

    lsnrctl start (I'm assuming 10g is the same as its predecessors)

  5. Re: ora12541: tns no listener

    - Dan - wrote:

    > I just installed oracle 10g db and client tools on my machine. I then try
    > to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    > What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >
    >

    lsnrctl start (I'm assuming 10g is the same as its predecessors)

  6. Re: ora12541: tns no listener

    - Dan - wrote:

    > I just installed oracle 10g db and client tools on my machine. I then try
    > to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    > What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >
    >

    lsnrctl start (I'm assuming 10g is the same as its predecessors)

  7. Re: ora12541: tns no listener

    - Dan - wrote:

    > I just installed oracle 10g db and client tools on my machine. I then try
    > to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    > What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >
    >

    lsnrctl start (I'm assuming 10g is the same as its predecessors)

  8. Re: ora12541: tns no listener

    - Dan - wrote:

    > I just installed oracle 10g db and client tools on my machine. I then try
    > to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    > What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >
    >

    lsnrctl start (I'm assuming 10g is the same as its predecessors)

  9. Re: ora12541: tns no listener

    On Fri, 14 May 2004 11:16:48 -0400, " - Dan -" wrote:

    >I just installed oracle 10g db and client tools on my machine. I then try
    >to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    >What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >


    When the client requests a connection to a database, sqlnet actually
    puts that request to a listener process. The listener then takes care
    of setting up a process to connect the client to the database. This
    error means the listener is not running.

    What OS is the db on? If Windows, go to the services panel and look
    for a service with a name something like OracleListener (or some
    variation on that). You can start the listener by either starting
    that service from the control panel, or from a dos prompt issuing the
    command 'lsnrctl start'. If on *nix, do a 'ps -ef | grep ora' and see
    if you have a listener process. Again, it can be started with
    'lsnrctl start'

    And if you go to tahiti.oracle.com and sign up for a free OTN account,
    you'll have searchable, online access to the entire set of Oracle
    docs, including an error code lookup facility. At that point you
    could do a lookup of 'ORA-12541' . . .

  10. Re: ora12541: tns no listener

    On Fri, 14 May 2004 11:16:48 -0400, " - Dan -" wrote:

    >I just installed oracle 10g db and client tools on my machine. I then try
    >to connect to a database and I get the error ORA-12541: TNS: No listener.
    >
    >What does that mean and how do i fix it? I am new and inexperienced, sorry.
    >


    When the client requests a connection to a database, sqlnet actually
    puts that request to a listener process. The listener then takes care
    of setting up a process to connect the client to the database. This
    error means the listener is not running.

    What OS is the db on? If Windows, go to the services panel and look
    for a service with a name something like OracleListener (or some
    variation on that). You can start the listener by either starting
    that service from the control panel, or from a dos prompt issuing the
    command 'lsnrctl start'. If on *nix, do a 'ps -ef | grep ora' and see
    if you have a listener process. Again, it can be started with
    'lsnrctl start'

    And if you go to tahiti.oracle.com and sign up for a free OTN account,
    you'll have searchable, online access to the entire set of Oracle
    docs, including an error code lookup facility. At that point you
    could do a lookup of 'ORA-12541' . . .

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