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Installed Oracle Net transport protocols are: The ADAPTERS utility displays output similar to the following: On the client, run the adapters command from $ORACLE_HOME/bin to display the configured Oracle protocol support, naming methods, and security options. Oracle Advanced Security options linked with. Oracle Net transport protocols linked with. The adapters utility displays output similar to the following: On the database server, run the adapters 'which oracle' command from $ORACLE_HOME/bin to display the protocol support, naming methods, and security options linked with the oracle executable. On UNIX you can use the ADAPTERS utility to verify protocol support. Other computers connect also using Net8 Services to this same database.Ĭonnections from this workstation worked previous to making changes on this computer, such as the installation of a new product or a modification to the network configuration.Ĭheck that you have installed the same protocol support as was installed on the database server. The database server passed a loopback test, showing that the connection worked. Tracing Error Information for Oracle Net ServicesĪt this point, you know the serverside listener works properly, because you could verify at least one of the following statements: Logging Error Information for Oracle Net Services Troubleshooting Network Problems Using Log and Trace Files Troubleshooting Tips from the Field for Oracle Net Services Resolving the Most Common Error Messages for Oracle Net Services It also describes methods for logging and tracing error information to diagnose and troubleshoot more complex network problems. This chapter describes common network errors and outlines procedures for resolving them. Evaluating this information will help you to diagnose and troubleshoot even the most complex network problems. These files keep track of the interaction between network components as errors occur. Oracle Net Services provides methods for understanding and resolving network problems through the use of log and trace files. 24/26 16 Troubleshooting Oracle Net Services