How To Fix GW455 - System call error; erro with signal function

GW455 - Overview

• Message type: E = Error

• Message class: GW - Message Texts for Gateway

• Message number: 455

• Message text: System call error; erro with signal function

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 GW455 - System call error; erro with signal function ?

  The SAP error message GW455, which indicates a "System call error; error with signal function," typically arises in the context of the SAP Gateway or when dealing with communication between SAP systems and external systems. This error can be caused by various factors, including issues with the operating system, network problems, or configuration errors.
  Possible Causes:
  
  Operating System Issues: The error may be related to the underlying operating system, such as resource limitations, process management issues, or system calls failing due to misconfiguration.
  Network Problems: If there are network connectivity issues, such as firewalls blocking communication or DNS resolution problems, this can lead to signal function errors.
  Configuration Errors: Incorrect settings in the SAP Gateway configuration or in the RFC (Remote Function Call) settings can lead to this error.
  Resource Limitations: Insufficient memory or CPU resources on the server can cause system calls to fail.
  SAP Kernel Issues: Bugs or issues in the SAP kernel version