How To Fix DB02127 - End-of-file communication channel. ORA-3113

SAP Error Message - Details

• Message type: E = Error

• Message class: DB02 - For Oracle Component of the Database Monitor

• Message number: 127

• Message text: End-of-file communication channel. ORA-3113

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DB02127 - End-of-file communication channel. ORA-3113 ?

  The SAP error message DB02127, which includes the Oracle error ORA-3113, indicates that there has been a communication failure between the SAP application and the Oracle database. This error typically occurs when the database connection is lost unexpectedly, which can be caused by various factors. Here’s a breakdown of the potential causes, solutions, and related information:
  Causes:
  
  Database Instance Crash: The Oracle database instance may have crashed or been shut down unexpectedly.
  Network Issues: There may be network connectivity problems between the SAP application server and the Oracle database server.
  Resource Limitations: The database server may be running out of resources (e.g., memory, CPU, disk space), leading to instability.
  Configuration Issues: Incorrect configuration settings in the Oracle database or SAP system can lead to communication problems.
  Timeouts: Long-running queries or transactions may exceed timeout settings, causing the connection to drop.
  Database Maintenance: Scheduled maintenance or backup processes may interrupt the connection.
  
  Solutions:
  
  Check Database Status: Verify that the Oracle database is up and running. You can do this by logging into the database using SQL*Plus or another database management tool.
  Review Logs: Check the Oracle alert logs and SAP application logs for any error messages or warnings that could provide more context about the issue.
  Network Diagnostics: Test the network connection between the SAP application server and the Oracle database server. Use tools like ping or tnsping to check connectivity.
  Resource Monitoring: Monitor the resource usage on the database server to ensure it is not overloaded. Look for high CPU, memory, or disk usage.
  Configuration Review: Review the configuration settings in both the SAP and Oracle environments to ensure they are correctly set up.
  Increase Timeouts: If timeouts are suspected, consider increasing the timeout settings in the SAP system or the Oracle database.
  Restart Services: If the database instance has crashed, you may need to restart the Oracle database services. Similarly, restarting the SAP application server may help re-establish the connection.
  Consult Documentation: Refer to SAP Notes and Oracle documentation for specific guidance related to your version and configuration.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for relevant SAP Notes that address this specific error. SAP Notes often provide detailed troubleshooting steps and solutions.
  Oracle Documentation: Review Oracle documentation for error ORA-3113 to understand the implications and recommended actions.
  Support: If the issue persists after trying the above solutions, consider reaching out to SAP or Oracle support for further assistance.
  
  By following these steps, you should be able to diagnose and resolve the DB02127 error in your SAP system.