How do I fix Ora-03135 connection lost contact?

How do I fix Ora-03135 connection lost contact?

The ORA-03135 error is common when connecting remotely when a firewall terminates the connection. One solution for the ORA-03135 error is to increase the value of the sqlnet. ora expire_time parameter in the sqlnet. ora file or to check for a expire parameter in a SQL*Plus profile.

Where can I find Sqlnet Ora?

ORACLE_HOME/network/admin directory
By default, the sqlnet. ora file is located in the ORACLE_HOME/network/admin directory. The sqlnet. ora file can also be stored in the directory specified by the TNS_ADMIN environment variable.

How do I convert a text file to Ora?

Click File > Save As… and save the file as sqlnet. ora. If you are prompted to replace the existing file, click ‘Yes’.

Is SQLNET Ora necessary?

The sqlnet. ora file is very important file for database server and client machines, because it includes the profile configuration file ( tracing options, encryption, route of connections, external naming parameters etc). Database server can be configured with access control parameters using the sqlnet.

What is names Directory_path?

USe of NAMES. DIRECTORY_PATH parameter in SQLNET. ora is to specified the order of the naming method used for client name resolution. Default value in order is NAMES.DIRECTORY_PATH=(tnsnames, ldap, ezconnect) Naming Method value and description.

How do I open an ORA file in Windows?

Directions:

1. Begin by clicking on Start > All Programs > Accessories.
2. Right-click on Notepad and select Run as administrator.
3. In Notepad, click on File > Open.
4. Locate the folder where you installed the Oracle Client (ORACLE_HOME).
5. If files named tnsnames.

How do I open an ORA file?

An ORA file that’s an OpenRaster file can be opened in Windows, Mac, and Linux with the popular GIMP image editing tool. Some other programs that open ORA files are listed on the OpenRaster Application Support page, which includes Krita, Paint.NET (with this plugin), Pinta, Scribus, MyPaint, and Nathive.

Does SQL Developer use Sqlnet Ora?

But looks like Oracle SQL Developer can not use sqlnet. ora. You either have to select TNS or LDAP explicitly.

Does SQL Developer use SQLNET Ora?