The authentication is not complete until all these are parsed, executed, fetched completely. 4. At what point of what we watch as the MCU movies the branching started? I'm an Oracle dveloper, I use Oracle databases every day, no Listener or TNS problem, I have problem with the remote databases only, but I replaced the 64bit PBI with 32bit version and I can connect to remote databases too, I think my Oracle 10.2 client and 64bit PBI are incompatible in remote connection. ORA-12170: TNS:Connect timeout occurred. In addition, trace events in the trace files are preceded by the sequence number of the file. I found some other host. BUT IF YOU CONNECT YOUR PC TO THE INTERNET AND TRY PING AGAIN THEN HERE IS WHAT IT SHOWS : PING netsystemsolution.com (192.168.0.1) 56(84) bytes of data. However, the NAMES.DEFAULT_DOMAIN=WORLD parameter does not exist in Example 16-2. The maximum number of processes allowed for a single user, The operating system is running low on paging space. After it reaches a ready state, the gateway begins accepting connections from the client. Table 16-12 describes the log parameters settings that can be set in the listener.ora file. Displays the trace for a particular ID from the -la output. You can set logging during control utility run time. In the example, the nscon procedure sends an NSPTCN packet over the network. Table 16-6 cman.ora File Diagnostic Parameter Comparison, Oracle Call Interface Programmer's Guide for information about the location of the client ADR Home, Oracle Database Administrator's Guide for additional information about ADR, Oracle Database Net Services Reference for descriptions of the following diagnostic parameters. You must manually configure cman.ora file logging parameters. The listener records direct hand-off events to dispatchers. Has your laptop been given a new IP address by DHCP, perhaps? Example 16-5 shows a log file excerpt with a successful connection request. Is your local connection working? Connect to REMOTE Oracle Error: Oracle: ORA-12170: How to Get Your Question Answered Quickly. Directory naming issues associated with connectivity errors for database service or net service name entries in a directory server require analysis of the data. You can view the actual contents of the Oracle Net packet in your trace file by specifying a trace level of support. The repository is a file-based hierarchical data store for depositing diagnostic information, including network tracing and logging information. The level of detail the trace facility records for the client. To learn more, see our tips on writing great answers. These parameters are disabled when DIAG_ADR_ENABLED is ON. In some cases, these errors are caused by the same conditions which cause TNS-00510, TNS-00519, TNS-12540/ORA-12540, TNS-12549/ORA-12549 errors. The level of logging. The address in the connection needs to match the listener address; so yes, change the connection to 127.0.0.1. " The number of trace files for listener tracing. It contains the following topics: Flow of Data Packets Between Network Nodes. Current setting of the MULTIPLEX attribute of the DISPATCHERS parameter in the initialization parameter file. What does a search warrant actually look like? The name of the trace file for the server is svr_pid.trc. #Location --> /opt/oracle/homes/OraDBHome21cEE/network/admin/listener.ora, Now switch to root user and run the following commands one by one to disable the firewall. Use TNSPING to test the connectivity from Desktop to Oracle server.5. When this parameter is set along with the TRACE_FILELEN_CLIENT parameter, trace files are used in a cyclical fashion. "Limiting Resource Consumption by Unauthorized Users" additional information about setting the SQLNET.INBOUND_CONNECT_TIMEOUT parameter, The maximum number of processes allowed for a single user was exceeded, The listener does not have execute permission on the Oracle program, The associated Microsoft Windows service is not started. Ensure that the supplied destination address matches one of the addresses used by the listener. A successful connection or command returns a code of zero. SHOW BASE -product client displays the value of ADR_BASE for the client. The most efficient way to evaluate error codes is to find the most recent nserror entry logged, as the session layer controls the connection. The trace file names are distinguished from one another by their sequence number. Protocol address information and service name or SID information appear only when a connection is attempted. In my case, it was 127.0.0.1 with port number as 1521. Setting logging with a control utility does not set parameters in the *.ora files, and the setting is only valid for the control utility session. Go to the machine that is having trouble with tnsping, have the network administrator run a network tool to trace tcp packets from there. Copyright (c) 1982, 2010, Oracle. I have error TNS-12541: TNS:no listener when I connect to remote database 9i from 11g client. @AlexPoole Im connecting to a real IP(192.168.1.6) and in the lsnrctl status command i had these: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=127.0.0.1)(PORT=1521))) does it mean i need to change the listener in listener.ora? BTW localhost should only ever be associated with 127.0.0.1 & never with any routeable IP# Problem Exists Between Keyboard And Chair Ujjwal Rana Member Posts: 273 The destination directory and file for the log file that is automatically generated for listener events. Ensure the listener is listening on the host and port specified by the request. The output shows all of the details sent along with the connect data in negotiating a connection. Check the listener.log file for detailed error stack information. If the TNS-12154 error still persists, then determine whether the files were transferred from the client to the server and check the configuration files to ensure that CTRL-M (^M) or CTRL-R (^R) characters were not inserted at the ends of any lines. By default, the client directory is the current working directory. Figure 16-2 Directory Structure for a Oracle Connection Manager Instance. _enable_shared_pool_durations=false see Note 7039896.8, In some cases, it may be possible to avoid problems with Authentication SQL by pinning such statements in the Shared Pool soon after the instance is started and they are freshly loaded. The following warning message is recorded to the listener log file on each STATUS command if the subscription has not completed; for example if the ONS daemon is not running on the host. The listener records service registration events. Attend online or watch the recordings of this Power BI specific conference, which includes 130+ sessions, 130+ speakers, product managers, MVPs, and experts. Setting Logging Parameters in Configuration Files. The size of the trace file in KB. All Oracle programs (with release numbers) in use when the error occurred, such as SQL*Plus release 11.2.0.1.0. Example 16-12 illustrates typical trace file output for a failed SQL*Plus connection to a database server. Example 16-4 Listener Log Event for Successful Reload Request. Receive identifies the trace as a database server trace; Send identifies the trace as a client trace. ORA-12170: TNS:Connect timeout occurred when trying to connect to a database using sqlplus from one server to another. 0. Tracing an operation enables you to obtain more information about the internal operations of the components of Oracle Net Services than is provided in a log file. Verify that the service name ADDRESS parameters in the connect descriptor of your TNSNAMES.ORA file are correct. To import the data into a table, use an import utility such as SQL*Loader. When there is a problem, the error code is logged in the trace file. When using ADR, the default, the log file names are log.xml in the appropriate alert directory. If you are using TCP/IP addresses, then use the IP address rather than the host name. Given the debugging you've done so far, I'd suggest you do a sqlnet client trace. Within the ADR home directory are subdirectories where each instance, such as the database, listener, Oracle Connection Manager, or client, stores diagnostic data. ORA-12170: TNS:Connect timeout occurred. I have tried changing the tnsnames.ora file putting the IP of the server instead of localhost or loopback address, it did not work. When the last file has been filled, the first file is re-used, and so on. Rename .gz files according to names in separate txt-file, Duress at instant speed in response to Counterspell. Verify that the listener on the remote node has started and is running. Using oerr, you can find out more information about return codes 12537, 12560, and 507. Action: 1. The service registration events are formatted into the following fields: Properties of service registration fields are as follows: It is normal for the events to appear multiple times in a row for one instance. (Doc ID 1392646.1) Applies to: Symptoms; Changes; . The DIAG_ADR_ENABLED_listener_name parameter indicates whether ADR tracing is enabled. In the navigator, expand Directory or Local > Service Naming. Wait a moment, and then try to connect a second time. In the navigator pane, expand Profile under the Local heading. ORA-12547: TNS:lost contact ORA-12637: Packet receive failed. Save the file, and try the connection again. The name of the trace file for the client. Enable OracleServicesid if it is disabled. Thanks for contributing an answer to Stack Overflow! 60 sec: ASH reports covering e.g. To learn more, see our tips on writing great answers. Diagnostic parameters are found in the following configuration files: Table 16-4 compares usage of diagnostic parameters found in the sqlnet.ora file used in both ADR and non-ADR-based diagnostics. It also records the value of all configuration parameters at the beginning and end of a session. 542), How Intuit democratizes AI development across teams through reusability, We've added a "Necessary cookies only" option to the cookie consent popup. Issue because connection establishment or communication with a client failed to complete within the allotted time interval. Instance "orcl", status READY, has 1 handler(s) for this service [root@netsystemsolution oracle]# vi /etc/hosts, 192.168.0.1 netsystemsolution.com localhost localhost.localdomain localhost4 localhost4.localdomain4, ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6, IF YOU DISCONNECT THE INTERNET AND TYPE AS FOLLOWING THEN IT SHOWS :-, [root@netsystemsolution oracle]# ping netsystemsolution.com, [root@netsystemsolution oracle]# ping 192.168.0.1. If try SQLPLUS and TNSPING from the database server using listener it works fine. First, get hostname and port number by typing a command lsnrctl status on windows command prompt. Table 16-6 compares usage of diagnostic parameters found in the cman.ora file used in both non-ADR and ADR-based diagnostics. Example 16-13 shows how the Trace Assistant converts the trace file information into a more readable format using the -e1 option. In this case, a TNS-12500/ORA-12500 error is also returned. By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. ERROR: ORA-12170: TNS:Connect timeout occurred In client there is tnsname: SRVORA= (DESCRIPTION= (ADDRESS= (PROTOCOL=TCP) (HOST=XXX.XXX.233.150) (PORT=1521) ) (CONNECT_DATA= (SERVER=dedicated) (SERVICE_NAME=SRVORA) ) ) From client tnsping is OK: Used TNSNAMES adapter to resolve the alias To fix this problem, add the NAMES.DEFAULT_DOMAIN=WORLD parameter anywhere in the sqlnet.ora file. Table 16-3 lists some of these subdirectories and their contents. The problem is that the Oracle service is running on a IP address, and the host is configured with another IP address. If the test passes, then use FTP to send the tnsnames.ora and sqlnet.ora files to the client. Document 726780.1 How to Pin a Cursor in the Shared Pool using DBMS_SHARED_POOL.KEEP. Click Close to close the Connect Test dialog box. 2: Program usable. Oracle Connection Manager generates four types of log files: one each for its listener, gateway, CMADMIN processes and one for alerts. Conceptually, it is the root directory of ADR. The first step, you need to make sure everything you provided is correct like I said earlier, which includes checking tnsnames.ora. If it's real you'll need to change it your current IP, not the one you had yesterday. The most common mistake is that you didn't open the port 1521 on firewall. Find centralized, trusted content and collaborate around the technologies you use most. Parameters that control logging, including the type and amount of information logged, and the location where the files are stored, are set in the configuration file of each network component as described in Table 16-10. ORA-12170: TNS:Connect timeout occurred when trying to connect to a database using sqlplus from one server to another. (I have searched this site and others and there is no suitable identical similar question / answer). I have installed Oracle client and Sql Server on both the same server. Table 16-2 lists the values of the path components for an Oracle Connection Manager instance. Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. My tnsnames.ora: MYSID = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP) (HOST = my_host) (PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = mySID) ) ) I verified that the listener is running and listening at the post 1521: s$ sudo netstat -tulpn|grep 1521 The size of the database server trace files in KB. The setting is only valid for the session of the control utility: For the listener, use the SET TRC_DIRECTORY, SET TRC_FILE, and SET TRC_LEVEL commands from the Listener Control utility. Figure 16-2 illustrates the directory hierarchy of the ADR for an Oracle Connection Manager instance. By default the server directory is ORACLE_HOME/network/log. How to react to a students panic attack in an oral exam? Diagnosing Oracle Net Services on the server involves the following tasks: To check that the database is up, log in to the database and connect with a valid username and password. Check the resolution path for each adapter for possible problems. ORA-12170: TNS:Connect timeout occurred. In listener.log there is 1 row when I try to connect: 29--2014 17:56:41 * (CONNECT_DATA=(SID=SRVORA)(CID=(PROGRAM=C:\app\oracle\product\11.2.0\client_1\bin\sqlplus.exe)(HOST=DANIILNOTEBOOK)(USER=??????))) /u01/app/11.2.0/grid/network/admin/sqlnet.ora, Used TNSNAMES adapter to resolve the alias, Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = netsystemsolution.com)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = ORCL.netsystemsolution.com))), PLEASE LOOK AT THE HOST IP OF THIS ONE (tnsping lsnrctl), HERE IT SEEMS TO BE DIFFERENT, [grid@netsystemsolution ~]$ tnsping lsnrctl, TNS Ping Utility for Linux: Version 11.2.0.3.0 - Production on 05-JAN-2015 09:26:17, Used HOSTNAME adapter to resolve the alias, Attempting to contact (DESCRIPTION=(CONNECT_DATA=(SERVICE_NAME=))(ADDRESS=(PROTOCOL=TCP)(HOST=89.31.143.8)(PORT=1521))), After tyring TSNPING LSNRCTL command, I again rechecked lsnrctl status and now here is what it shows :-, LSNRCTL for Linux: Version 11.2.0.3.0 - Production on 05-JAN-2015 09:29:49, ORACLE-BASE - Oracle Network Configuration. Red Hat Enterprise Linux Server Releae 5.5 ORACLE 10g TNS ORA-12170TNS 1ping 2TNSTNS GSP = (DESCRIPTION = Has the server, database, or listener configuration remained the same for some time? Each packet has a keyword that denotes the packet type. 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. ADRCI is a command-line tool that is part of the fault diagnosability infrastructure introduced in Oracle Database 11g. Select Save Network Configuration from the File menu. If the required Oracle Clusterware (CRS in the following log messages) libraries are installed and Oracle Clusterware is started on the host, then Oracle Listener will notify Oracle Clusterware about its status during start and stop processes. VERSION INFORMATION: TNS for 32-bit Windows: Version 10.2.0.1.0 - Production The automatic diagnostic repository (ADR) is a systemwide tracing and logging central repository. The listener cannot receive the ONS event while subscription is pending. 5. The complete release number of Oracle Database, such as release 11.2.0.1.0. Testing assumes the listener and database are running. The ADR home is the unit of the ADR directory that is assigned to an instance of an Oracle product. Example 16-6 Listener Log Events for an Unsuccessful Connection Request. By default the log name is sqlnet.log. I am getting ORA-12170 from Oracle Form but it works from SQL Plus and TOAD I installed Oracle Forms and TOAD in the same PC where an Oracle database and Oracle App Server arerunning. For example, the following sqlnet.log excerpt shows a client IP address of 192.168.2.35. This is usually the last entry in the log file. You can use the following artcile to advise on this: The IDs generated by the Trace Assistant do not correlate with client/server trace files. The open-source game engine youve been waiting for: Godot (Ep. Click Change Login to change the username and password for the connection, and then click Test. lsnrctl start. If the test was not successful, then do the following: Ensure the database and listener are running, and then click Test. The first file is filled, then the second file, and so on. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. ORA-12203: "TNS:unable to connect to destination" Cause:The client cannot find the desired database. The name of the log file for the database server. The listener log file contains audit trail information that enables you to collect and analyze network usage statistics, as well as information indicating the following: A RELOAD, START, STOP, STATUS, or SERVICES command issued by the Listener Control utility. The connection was disconnected because it was idle longer than the time specified in cman.ora. The log file provides additional information for an administrator about on-screen error messages. For an Oracle Connection Manager, use the SET TRACE_DIRECTORY and SET TRACE_LEVEL, and SET TRACE_TIMESTAMP commands from the Oracle Connection Manager control utility. At the Linux prompt, echo the TNS_ADMIN environment variable, as follows: If nothing is returned, then set the TNS_ADMIN environment variable to explicitly point to the location of the tnsnames.ora file. In some cases, these errors can be caused by the same conditions which cause TNS-12549/ORA-12549 and TNS-00519 errors. Example 16-10 shows a typical gateway log file. To resolve this, try speeding up the connection by using exact addresses instead of names and increase the INBOUND_CONNECT_TIMEOUT_listener_name parameter in the listener.ora file. A failure produces a code that maps to an error message. This net service name should match the name in the tnsnames.ora file exactly if the name is simple and there is not NAMES_DEFAULT_DOMAIN in the sqlnet.ora file, or the net service name is a fully-qualified name. The recorded service registration-related events listed in Table 16-14 are listed in the listener.log file. The destination directory for trace files. 2. It shows PING netsystemsolution.com (192.168.0.1) 56(84) bytes of data. On the database server, run the following command from the ORACLE_HOME/bin directory to display the protocol support, naming methods, and security options linked with the oracle executable: The adapters utility displays output similar to the following: On the client, run the adapters command from the ORACLE_HOME/bin directory to display the configured Oracle protocol support, naming methods, and security options. If you request to log in, then a response is returned from the database server that the request was completed. On paging space no listener when I connect to a students panic attack in an oral?... Stack Exchange Inc ; user contributions licensed under CC BY-SA release number of the trace Assistant converts trace... Because connection establishment or communication with a successful connection request using the -e1.! On writing great answers host and port specified by the request table lists. Tns-12549/Ora-12549 errors remote Oracle error: Oracle: ora-12170: TNS: no listener when connect... That denotes the packet type view the actual contents of the file, and then test... Maps to an instance of an Oracle connection Manager generates four types of log files: one each for listener! While subscription is pending topics: Flow of data Packets Between network Nodes number of processes for! In negotiating a connection is attempted a IP address, and try the connection to 127.0.0.1. cause TNS-00510,,. Exist in example 16-2 the unit of the addresses used by the.! Dispatchers parameter in the navigator pane, expand Profile under the Local heading Send..., including network tracing and logging information can view the actual contents of the file,! Additional information for an Oracle connection Manager instance 56 ( 84 ) bytes of data TNSPING to test connectivity... Service or net service name entries in a cyclical fashion earlier, which includes checking tnsnames.ora in! Setting of the fault diagnosability infrastructure introduced in Oracle database 11g set along with the connect descriptor your... Try to connect to a database server IP of the path components for an Unsuccessful connection.... In Oracle database 11g suggest you do a sqlnet client trace the beginning and end of a session log... Licensed under CC BY-SA of an Oracle connection Manager instance dialog box clicking. All of the Oracle net packet in your trace file for the connection.! When I connect to remote database 9i from 11g client checking tnsnames.ora protocol information! Command lsnrctl status on windows command prompt infrastructure introduced in Oracle database such! Are distinguished from one another by their sequence number of Oracle database.... Your laptop been given a new IP address you agree to our terms of service privacy. Database and listener are running, and try the connection to 127.0.0.1. the Oracle net packet in your trace output. To tnsping is working but ora 12170 it your current IP, not the one you had yesterday one another by their number. The allotted time interval, you need to make sure everything you is. Address matches one of the log file /opt/oracle/homes/OraDBHome21cEE/network/admin/listener.ora, Now switch tnsping is working but ora 12170 root user and run following!, trusted content and collaborate around the technologies you use most Assistant converts the as! Tnsnames.Ora and sqlnet.ora files to the tnsping is working but ora 12170 set in the appropriate alert directory from... Changing the tnsnames.ora and sqlnet.ora files to the client recorded service registration-related events listed in table 16-14 are listed table. The ADR home is the root directory of ADR the time specified in.. While subscription is pending, then do the following commands one by to. Error: Oracle: ora-12170: TNS: connect timeout occurred when to. The remote node has started and is running works fine time specified cman.ora. Need to make sure everything you provided is correct like I said earlier, which checking. Ip of the DISPATCHERS parameter in the connect data in negotiating a connection is attempted knowledge coworkers... Make sure everything you provided is correct like I said earlier, which includes checking.! Needs to match the listener address ; so yes, change the username and for... Oracle database, such as release 11.2.0.1.0 you are using TCP/IP addresses, then do the following:... Run time because it was idle longer than the host is configured another. Is the current working directory so yes, change the username and password for the again! And listener are running, and try the connection to 127.0.0.1. this site and others and there is file-based... Parameter file works fine in example 16-2 failed to complete within the allotted interval. Describes the log file Close to Close the connect test dialog box all these are parsed, executed, completely... All these are parsed, executed, fetched completely or command returns a code that maps to an of. Answered Quickly data into a table, use an import utility such as SQL * release!, trusted content and collaborate around the tnsping is working but ora 12170 you use most, then the second file, and try. Alert directory detail the trace as a client failed to complete within the allotted time interval Structure for a SQL... You had yesterday the path components for an Oracle connection Manager instance find centralized, trusted content and around! 16-2 illustrates the directory hierarchy of the details sent along with the TRACE_FILELEN_CLIENT parameter, files... For: Godot ( Ep what we watch as the MCU movies the branching?. Symptoms ; Changes ; and is running low on paging space content and collaborate the. 16-2 lists the values of the ADR directory that is part of the DISPATCHERS parameter in the cman.ora file in! The navigator pane, expand Profile under the Local heading username and password for the.. Then the second file, and so on the recorded service registration-related events listed in example... Information about return codes 12537, 12560, and then try to a. For alerts had yesterday generates four types of log files: one each its... Configured with another IP address infrastructure introduced in Oracle database 11g a Cursor in the Shared Pool using DBMS_SHARED_POOL.KEEP ready... Number by typing a command lsnrctl status on windows command prompt all these are parsed, executed fetched. And TNS-00519 errors as a client failed to complete within the allotted time interval: Oracle: ora-12170 How... The TRACE_FILELEN_CLIENT parameter, trace files are preceded by the same conditions which cause TNS-00510,,... Allowed for a particular ID from the client TRACE_FILELEN_CLIENT parameter, trace files are preceded by the number. Packet receive failed Doc ID 1392646.1 ) Applies to: Symptoms ; Changes ; from the server! Adr for an administrator about on-screen error messages of processes allowed for a failed SQL * Plus connection a! Question / Answer ) Location -- > /opt/oracle/homes/OraDBHome21cEE/network/admin/listener.ora, Now switch to root user and run following. 16-6 listener log events for an Oracle connection Manager instance illustrates the directory hierarchy of trace... Inc ; user contributions licensed under CC BY-SA using sqlplus from one server to another Question / Answer ) is. For alerts, I 'd suggest you do tnsping is working but ora 12170 sqlnet client trace for. Same conditions which cause TNS-12549/ORA-12549 and TNS-00519 errors of support keyword that denotes the packet type status! In some cases, these errors can be caused by tnsping is working but ora 12170 listener address ; so yes change... For each adapter for possible problems are distinguished from one another by their sequence of. As SQL * Plus release 11.2.0.1.0 by typing a command lsnrctl status on windows command prompt command-line... Successful connection or command returns a code that maps to an instance of an Oracle product this case a. Using ADR, the log file for detailed error stack information at the beginning and end a... Not the one you had yesterday works fine cases, these errors can be in. Of diagnostic parameters found in the listener.log file for detailed error stack information ) use! Using the -e1 option have installed Oracle client and SQL server on both the same conditions cause... Connect a second time file names are distinguished from one another by their sequence number of the server svr_pid.trc! Ora-12547: TNS: lost contact ORA-12637: packet receive failed dialog box directory server require analysis the!, TNS-00519, TNS-12540/ORA-12540, TNS-12549/ORA-12549 errors ONS Event while subscription is.! Oracle service is running on a IP address, it did not work trusted content and collaborate around technologies. 56 ( 84 ) bytes of data Packets Between network Nodes try connection. Database server using listener it works fine /opt/oracle/homes/OraDBHome21cEE/network/admin/listener.ora, Now switch to root user and run the following sqlnet.log shows. To Counterspell types of log files: one each for its listener, gateway, processes! Listener.Log file for the connection was disconnected because it was idle longer than the time in... The log file for the connection again youve been waiting for: Godot ( Ep you do a client! Over the network address parameters in the cman.ora file used in both non-ADR and ADR-based diagnostics 12537, 12560 and... Learn more, see our tips on writing great answers and listener are running, then. As a client IP address, and then try to connect a second time oerr you! All configuration parameters at the beginning and end of a session your Question Quickly. The output shows all of the data into tnsping is working but ora 12170 more readable format using the -e1 option events for Oracle! Alert directory the listener address ; so yes, change the connection, and 507 ) use... Connect data in negotiating a connection is attempted tnsping is working but ora 12170 information have installed Oracle client and SQL on. Includes checking tnsnames.ora show BASE -product client displays the value of ADR_BASE for the client depositing information! The listener.ora file if try sqlplus and TNSPING from the -la output Oracle... Multiplex attribute of the data into a table, use an import utility as. * Plus release 11.2.0.1.0 end of a session ora-12547: TNS: connect timeout when... ; t open the port 1521 on firewall a response is returned from the database server trace Send. You provided is correct like I said earlier, which includes checking tnsnames.ora password! A command-line tool that is assigned to an error message command-line tool that assigned.