ORA-12150 to ORA-12236 9
ORA-12150: TNS:unable to send data
Cause: Unable to send data. Connection probably disconnected.
Action: Reestablish connection. If the error is persistent, turn on tracing and
reexecute the operation.
ORA-12151: TNS:received bad packet type from network layer
Cause: Internal error.
Action: Not normally visible to the user. For further details, turn on tracing and
reexecute the operation. If error persists, contact Worldwide Customer Support.
ORA-12152: TNS:unable to send break message
Cause: Unable to send break message. Connection probably disconnected.
Action: Reestablish connection. If the error is persistent, turn on tracing and
reexecute the operation.
ORA-12153: TNS:not connected
Cause: Not currently connected to a remote host.
Action: Reestablish connection.
ORA-12154: TNS:could not resolve the connect identifier specified
Cause: A connection to a database or other service was requested using a connect
identifier, and the connect identifier specified could not be resolved into a connect
descriptor using one of the naming methods configured. For example, if the type
of connect identifier used was a net service name then the net service name could
not be found in a naming method repository, or the repository could not be located
or reached.
Action:
- If you are using local naming (TNSNAMES.ORA file):
- Make sure that "TNSNAMES" is listed as one of the values of the
NAMES.DIRECTORY_PATH parameter in the Oracle Net profile (SQLNET.ORA)
- Verify that a TNSNAMES.ORA file exists and is in the proper directory and is
accessible.
- Check that the net service name used as the connect identifier exists in the
TNSNAMES.ORA file.
- Make sure there are no syntax errors anywhere in the TNSNAMES.ORA file.
Look for unmatched parentheses or stray characters. Errors in a TNSNAMES.ORA
file may make it unusable.
9-2 Oracle Database Error Messages
- If you are using directory naming:
- Verify that "LDAP" is listed as one of the values of the NAMES.DIRETORY_
PATH parameter in the Oracle Net profile (SQLNET.ORA).
- Verify that the LDAP directory server is up and that it is accessible.
- Verify that the net service name or database name used as the connect identifier
is configured in the directory.
- Verify that the default context being used is correct by specifying a fully qualified
net service name or a full LDAP DN as the connect identifier
- If you are using easy connect naming:
- Verify that "EZCONNECT" is listed as one of the values of the
NAMES.DIRETORY_PATH parameter in the Oracle Net profile (SQLNET.ORA).
- Make sure the host, port and service name specified are correct.
- Try enclosing the connect identifier in quote marks. See the Oracle Net Services
Administrators Guide or the Oracle operating system specific guide for more
information on naming.
ORA-12155: TNS:received bad datatype in NSWMARKER packet
Cause: Internal error during break handling.
Action: Not normally visible to the user. For further details, turn on tracing and
reexecute the operation. If error persists, contact Worldwide Customer Support.
ORA-12156: TNS:tried to reset line from incorrect state
Cause: Internal error during break handling.
Action: Not normally visible to the user. For further details, turn on tracing and
reexecute the operation. If error persists, contact Worldwide Customer Support.
ORA-12157: TNS:internal network communication error
Cause: Internal error during network communication.
Action: Not normally visible to the user. For further details, turn on tracing and
reexecute the operation. If error persists, contact Worldwide Customer Support.
ORA-12158: TNS:could not initialize parameter subsystem
Cause: Unable to locate parameter file.
Action: Verify that a valid parameter file exists, and is readable.
ORA-12159: TNS:trace file not writeable
Cause: The trace file to be generated is not writeable by this user.
Action: If the user does not have write permissions in the directory to which the
trace file will be written, contact an administrator to get the proper permissions or
set the TRACE_DIRECTORY_CLIENT parameter in the net profile (SQLNET.ORA
file) to a directory the user can write to.
ORA-12160: TNS:internal error: Bad error number
Cause: Corrupt error reporting subsystem.
Action: Not normally visible to the user. For further details, turn on tracing and
reexecute the operation. If error persists, contact Worldwide Customer Support.
ORA-12161: TNS:internal error: partial data received
Cause: The connection may be terminated.
ORA-12150 to ORA-12236 9-3
Action: Reconnect and try again. For further details, turn on tracing and reexecute
the operation. If error persists, contact Worldwide Customer Support.
ORA-12162: TNS:net service name is incorrectly specified
Cause: The connect descriptor corresponding to the net service name in
TNSNAMES.ORA or in the directory server (Oracle Internet Directory) is
incorrectly specified.
Action: If using local naming make sure there are no syntax errors in the
corresponding connect descriptor in the TNSNAMES.ORA file. If using directory
naming check the information provided through the administration used for
directory naming.
ORA-12163: TNS:connect descriptor is too long
Cause: The connect descriptor corresponding to the net service name specified as
the connect identifier is too long. The maximum length for a connect descriptor is
512 bytes and this limit has been exceeded.
Action: Check the net service name's connect descriptor in the local naming file
(TNSNAMES.ORA) or in the directory server (Oracle Internet Directory). Use a
smaller connect descriptor. If this is not possible, contact Worldwide Customer
Support.
ORA-12164: TNS:Sqlnet.fdf file not present
Cause: The sqlnet.fdf file doesn't exist in $ORACLE_HOME/network/admin.
Action: The sqlnet.fdf file is required for Oracle Tracing to occur. Either install the
sqlnet.fdf file in $ORACLE_HOME/network/admin or turn off tracing in your
ORA file.
ORA-12165: TNS:Trying to write trace file into swap space.
Cause: Oracle Trace doesn't allow writing trace information into your swap space.
Action: Oracle Trace cannot write trace information into swap space so either
disable tracing or redirect trace files to be written to another area of your disk.
ORA-12166: TNS:Client can not connect to HO agent.
Cause: NVstring contained DESCRIPTION/HO.
Action: Call HO agent from integrating server.
ORA-12168: TNS:Unable to contact LDAP Directory Server
Cause: Cannot contact LDAP directory server to get Oracle Net configuration.
Action: Verify that the directory server is up and accessible from the network.
Verify that directory access configuration is correct. For more information see the
Oracle Internet Directory Administrators Guide or the Oracle Net Administrators
Guide.
ORA-12169: TNS:Net service name given as connect identifier is too long
Cause: The net service name you are attempting to resolve is too long.
Action: The maximum length of a net service name is 255 bytes; this limit has
been exceeded. Use a smaller net service name. If this is not possible, contact
Worldwide Customer Support.
ORA-12170: TNS:Connect timeout occurred
Cause: The server shut down because connection establishment or
communication with a client failed to complete within the allotted time interval.
9-4 Oracle Database Error Messages
This may be a result of network or system delays; or this may indicate that a
malicious client is trying to cause a Denial of Service attack on the server.
Action: If the error occurred because of a slow network or system, reconfigure one
or all of the parameters SQLNET.INBOUND_CONNECT_TIMEOUT,
SQLNET.SEND_TIMEOUT, SQLNET.RECV_TIMEOUT in sqlnet.ora to larger
values. If a malicious client is suspected, use the address in sqlnet.log to identify
the source and restrict access. Note that logged addresses may not be reliable as
they can be forged (e.g. in TCP/IP).
ORA-12171: TNS:could not resolve connect identifier: string
Cause: A connection to a database or other service was requested using a connect
identifier, and the connect identifier specified could not be resolved into a connect
descriptor using one of the naming methods configured. For example, if the type
of connect identifier used was a net service name then the net service name could
not be found in a naming method repository, or the repository could not be located
or reached.
Action:
- If you are using local naming (TNSNAMES.ORA file):
- Make sure that "TNSNAMES" is listed as one of the values of the
NAMES.DIRECTORY_PATH parameter in the Oracle Net profile (SQLNET.ORA)
- Verify that a TNSNAMES.ORA file exists and is in the proper directory and is
accessible.
- Check that the net service name used as the connect identifier exists in the
TNSNAMES.ORA file.
- Make sure there are no syntax errors anywhere in the TNSNAMES.ORA file.
Look for unmatched parentheses or stray characters. Errors in a TNSNAMES.ORA
file may make it unusable.
- If you are using directory naming:
- Verify that "LDAP" is listed as one of the values of the NAMES.DIRETORY_
PATH parameter in the Oracle Net profile (SQLNET.ORA).
- Verify that the LDAP directory server is up and that it is accessible.
- Verify that the net service name or database name used as the connect identifier
is configured in the directory.
- Verify that the default context being used is correct by specifying a fully qualified
net service name or a full LDAP DN as the connect identifier
- If you are using easy connect naming:
- Verify that "EZCONNECT" is listed as one of the values of the
NAMES.DIRETORY_PATH parameter in the Oracle Net profile (SQLNET.ORA).
- Make sure the host, port and service name specified are correct.
- Try enclosing the connect identifier in quote marks. See the Oracle Net Services
Administrators Guide or the Oracle operating system specific guide for more
information on naming.
ORA-12196: TNS:received an error from TNS
Cause: The navigation layer received an error from TNS.
Action: See the error log file for the specific TNS error.
ORA-12150 to ORA-12236 9-5
ORA-12197: TNS:keyword-value resolution error
Cause: The navigation layer received an error while trying to look up a value for a
keyword.
Action: Check the syntax of the connect descriptor.
ORA-12198: TNS:could not find path to destination
Cause: Could not navigate a path through Interchanges to the destination. This
error occurs if an invalid community is in the address string, or the address
includes a protocol that is not available or the TNSNAV.ORA file does not have a
correct CMANAGER address specified or the Interchange is down.
Action: Assure that Interchanges necessary to get to the desired destination are up
and have available capacity for an additional connection. Also check that the
correct community and protocol have been specified in the CMANAGER address
used.
ORA-12200: TNS:could not allocate memory
Cause: Out of memory on machine.
Action: Reconfigure machine to have more storage or run fewer applications
while the Interchange is running.
ORA-12201: TNS:encountered too small a connection buffer
Cause: TNS connection buffer supplied by the application was too small to
retrieve the data sent back.
Action: Supply a larger connection buffer. If problem persists, call Worldwide
Customer Support.
ORA-12202: TNS:internal navigation error
Cause: Internal navigation error.
Action: Not normally visible to the user. For further details contact Worldwide
Customer Support.
ORA-12203: TNS:unable to connect to destination
Cause: Invalid address specified or destination is not listening. This error can also
occur because of underlying network or network transport problems.
Action: Verify that the net service name you entered was correct. Verify that the
ADDRESS portion of the connect descriptor which corresponds to the net service
name is correct. Ensure that the destination process (for example the listener) is
running at the remote node.
ORA-12204: TNS:received data refused from an application
Cause: The application using Connection Manager refused the connection at the
listener.
Action: Make sure that the application listener at the destination is functioning
correctly. If it is and the problem persists, contact Worldwide Customer Support.
ORA-12205: TNS:could not get failed addresses
Cause: Internal navigation error.
Action: Not normally visible to the user. For further details contact Worldwide
Customer Support.
ORA-12206: TNS:received a TNS error during navigation
Cause: Internal navigation error because of an unexpected TNS error.
9-6 Oracle Database Error Messages
Action: Look at the log file to find the TNS error. If necessary, turn on tracing and
repeat the operation.
ORA-12207: TNS:unable to perform navigation
Cause: Improperly configured navigation file TNSNAV.ORA.
Action: Check the syntax of the TNSNAV.ORA file on the application`s machine,
and verify that it lists the correct communities.
ORA-12208: TNS:could not find the TNSNAV.ORA file
Cause: Either the ORACLE environment is not set up correctly, or the
TNSNAV.ORA file is not present.
Action: Ensure that the ORACLE environment is set up appropriately on your
platform and that a TNSNAV.ORA file is present.
ORA-12209: TNS:encountered uninitialized global
Cause: Application calling navigation routine has not properly configured the
global variables. There are no TNSNAV.ORA files available, or they are defective.
Action: Not normally visible to the user. For further details, turn on tracing and
reexecute the operation. If error persists, contact Worldwide Customer Support.
ORA-12210: TNS:error in finding Navigator data
Cause: Application calling navigation routine has not properly configured the
TNSNAV.ORA file.
Action: Check the syntax of the TNSNAV.ORA file.
ORA-12211: TNS:needs PREFERRED_CMANAGERS entry in TNSNAV.ORA
Cause: TNSNAV.ORA does not have a PREFERRED_CMANAGERS defined.
Action: Add a PREFERRED_CMANAGERS entry to the TNSNAV.ORA file.
ORA-12212: TNS:incomplete PREFERRED_CMANAGERS binding in
TNSNAV.ORA
Cause: The PREFERRED_CMANAGERS binding in the client's TNSNAV.ORA file
does not have a CMANAGER_NAME specified.
Action: Define the CMANAGER_NAME as part of the PREFERRED_
CMANAGERS binding. Use of the Oracle Network Manager should eliminate this
error.
ORA-12213: TNS:incomplete PREFERRED_CMANAGERS binding in
TNSNAV.ORA
Cause: The PREFERRED_CMANAGERS binding in the client's TNSNAV.ORA file
does not have an ADDRESS specified.
Action: Define the ADDRESS as part of the PREFERRED_CMANAGERS binding.
ORA-12214: TNS:missing local communities entry in TNSNAV.ORA
Cause: There is no LOCAL_COMMUNITIES entry in TNSNAV.ORA.
Action: Define the LOCAL_COMMUNITIES for this node in the TNSNAV.ORA
file.
ORA-12215: TNS:poorly formed PREFERRED_NAVIGATORS Addresses in
TNSNAV.ORA
Cause: Address binding for PREFERRED_NAVIGATORS entry is improperly
entered. entry.
ORA-12150 to ORA-12236 9-7
Action: Check your PREFERRED_NAVIGATORS entry and fix it in
TNSNAV.ORA
ORA-12216: TNS:poorly formed PREFERRED_CMANAGERS addresses in
TNSNAV.ORA
Cause: Address binding for the PREFERRED_CMANAGERS entry in the client's
TNSNAV.ORA file is improperly entered.
Action: Define the ADDRESS as part of the PREFERRED_CMANAGERS binding.
ORA-12217: TNS:could not contact PREFERRED_CMANAGERS in TNSNAV.ORA
Cause: There is a syntax error in the PREFERRED_CMANAGERS entry, or
addresses specified are wrong, or the intended Connection Managers are
unavailable.
Action: Check the PREFERRED_CMANAGERS entries in the client's
TNSNAV.ORA file and correct them or talk with your network administrator to
determine if the specified Connection Managers are available. Verify that the
Interchanges are active by using the INTCTL STATUS command.
ORA-12218: TNS:unacceptable network configuration data
Cause: Poorly formed network configuration data. For example, a PREFERRED_
CMANAGERS entry may have an incorrect CMANAGER_NAME in the client's
TNSNAV.ORA file. Or an Interchange downtime parameter (TIMEOUT_
INTERVAL) on the Navigator may be set to zero in INTCHG.ORA.
Action: Check the entries in TNSNAV.ORA and the Interchange configuration
files and correct them. If necessary, talk with your network administrator to
determine if the specified Interchanges (Connection Managers) are available and
properly configured. Use the Oracle Network Manager to generate the
configuration files if necessary.
ORA-12219: TNS:missing community name from address in ADDRESS_LIST
Cause: This error occurs when an ADDRESS_LIST has some ADDRESSes in it
that have no COMMUNITY component and others that do have a COMMUNITY
component.
Action: Check that in the connect descriptors you are using either all the
ADDRESSes have a COMMUNITY component or all do not.
ORA-12221: TNS:illegal ADDRESS parameters
Cause: An illegal set of protocol adapter parameters was specified. In some cases,
this error is returned when a connection cannot be made to the protocol transport.
Action: Verify that the destination can be reached using the specified protocol.
Check the parameters within the ADDRESS section of TNSNAMES.ORA or in the
directory. Legal ADDRESS parameter formats may be found in the Oracle
operating system specific documentation or the Oracle Net Administrator's Guide.
Protocols that resolve names at the transport layer are vulnerable to this error if
not properly configured or names are misspelled.
ORA-12222: TNS:no support is available for the protocol indicated
Cause: The protocol requested in the ADDRESS portion of the connect descriptor
identified through the net service name is not available. If the supplied ADDRESS
is typographically correct then support for that protocol is not installed.
Action: Install support for the protocol or correct typographical error, as
appropriate. Note: if the supplied address was derived from resolving the net
9-8 Oracle Database Error Messages
service name, check the address in the appropriate file (TNSNAMES.ORA,
LISTENER.ORA) or in the directory server.
ORA-12223: TNS:internal limit restriction exceeded
Cause: Too many TNS connections open simultaneously.
Action: Wait for connections to close and re-try.
ORA-12224: TNS:no listener
Cause: The connection request could not be completed because the listener is not
running.
Action: Ensure that the supplied destination address matches one of the
addresses used by the listener - compare the TNSNAMES.ORA entry with the
appropriate LISTENER.ORA file (or TNSNAV.ORA if the connection is to go by
way of an Interchange). Start the listener on the remote machine.
ORA-12225: TNS:destination host unreachable
Cause: Contact can not be made with remote party.
Action: Make sure the network driver is functioning and the network is up.
ORA-12226: TNS:operating system resource quota exceeded
Cause: The current user has exceeded the allotted resource assigned in the
operating system.
Action: Acquire more operating system resource, or perform a different function.
ORA-12227: TNS:syntax error
Cause: The supplied connect descriptor contains illegal syntax.
Action: Check the syntax of the connect descriptor in TNSNAMES.ORA.
ORA-12228: TNS:protocol adapter not loadable
Cause: On some platforms (such as Windows) protocol support is loaded at
run-time. If the shared library (or DLL) for the protocol adapter is missing or one
of its supporting libraries is missing then this error is returned.
Action: For further details, turn on tracing and reexecute the operation. The trace
file will include the name of the shared library (or DLL) that could not be loaded.
ORA-12229: TNS:Interchange has no more free connections
Cause: One or more Interchanges along the path to the destination desired has no
more free connections available to be used for this call.
Action: Try again later when the Interchanges are less busy, or contact your
network administrator to have him determine which interchange it is, and increase
the number of connections available on that interchange.
ORA-12230: TNS:Severe Network error occurred in making this connection
Cause: This error is reported by an interchange which fails to make contact with
the destination due to a physical network error while calling a destination.
Action: Try again later when the network service may have been fixed or report
the problem to your Network Administrator so that he may fix the problem.
ORA-12231: TNS:No connection possible to destination
Cause: This error is reported by an interchange which fails to find a possible
connection along the path to the destination.
ORA-12150 to ORA-12236 9-9
Action: Report the problem to your Network Administrator so that he may fix the
problem.
ORA-12232: TNS:No path available to destination
Cause: This error is reported by an interchange which fails to find a possible path
to the destination.
Action: Report the problem to your Network Administrator so that he may fix the
problem.
ORA-12233: TNS:Failure to accept a connection
Cause: This error is reported by an interchange which fails to accept a connection
due to a redirect failure.
Action: Report the problem to your Network Administrator so that he may isolate
the interchange problem.
ORA-12234: TNS:Redirect to destination
Cause: This error is reported by an interchange which determines that this
interchange is not the right gateway and needs to redirect the connection to
another gateway along the path to the destination.
Action: None
ORA-12235: TNS:Failure to redirect to destination
Cause: This error is reported by an interchange which fails to redirect a
connection to another interchange along the path to the destination.
Action: Report the problem to your Network Administrator so that he may fix the
problem.
ORA-12236: TNS:protocol support not loaded
Cause: On some platforms (such as Windows) protocol support is loaded at
run-time. If the shared library (or DLL) for the protocol adapter has not been
loaded, then this error is returned.
Action: For further details, turn on tracing and reexecute the operation. The trace
file will have the name of the shared library (or DLL) that has not been loaded.