How To Fix WEBFI_MASTER353 - Problems occurred with communication with the JCO RFC server

WEBFI_MASTER353 - Overview

• Message type: E = Error

• Message class: WEBFI_MASTER - Web Financials: Business Partner Master Data

• Message number: 353

• Message text: Problems occurred with communication with the JCO RFC server

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WEBFI_MASTER353 - Problems occurred with communication with the JCO RFC server ?

  The SAP error message WEBFI_MASTER353: Problems occurred with communication with the JCO RFC server indicates that there is a communication problem between the SAP system (or a related component) and the JCo (Java Connector) RFC server. This typically happens in scenarios where SAP Java-based components or external Java applications communicate with SAP systems via the JCo RFC interface.
  
  Cause
  
  
  JCo RFC Server Not Running or Unreachable
  The JCo RFC server (Java application acting as an RFC server) is not started, crashed, or is unreachable due to network issues.
  
  
  Incorrect Connection Parameters
  The connection parameters (host, port, program ID, etc.) configured in SAP or the Java application are incorrect or mismatched.
  
  
  Firewall or Network Issues
  Firewalls or network restrictions block the communication between the SAP system and the JCo RFC server.
  
  
  Version or Compatibility Issues
  The JCo library version used by the Java application is incompatible with the SAP system or the Java runtime environment.
  
  
  Resource or Performance Issues
  The JCo RFC