How To Fix TRUST112 - HTTP connection error when calling &1&2&3&4

SAP Error Message - Details

• Message type: E = Error

• Message class: TRUST - Certificate Management

• Message number: 112

• Message text: HTTP connection error when calling &1&2&3&4

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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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TRUST112 - HTTP connection error when calling &1&2&3&4 ?

  The SAP error message TRUST112 typically indicates an issue with an HTTP connection, often related to trust relationships or SSL/TLS configurations when trying to establish a secure connection to a service or system. The placeholders &1, &2, &3, and &4 in the error message usually represent specific details about the connection attempt, such as the URL or service being accessed.
  Causes of TRUST112 Error
  
  
  SSL/TLS Configuration Issues: The server may not be configured to accept SSL/TLS connections, or there may be a mismatch in the SSL/TLS versions supported by the client and server.
  
  
  Certificate Issues: The SSL certificate may not be trusted by the SAP system. This can happen if the certificate is self-signed or if the certificate chain is incomplete.
  
  
  Network Issues: There may be network connectivity issues preventing the SAP system from reaching the target server.
  
  
  Incorrect URL: The URL being called may be incorrect or malformed.
  
  
  Firewall or Proxy Issues: A firewall or proxy server may be blocking the connection.
  
  
  Solutions
  
  
  Check SSL/TLS Configuration:
  
  Ensure that the server is configured to accept SSL/TLS connections.
  Verify that the correct SSL/TLS version is being used.
  
  
  
  Validate Certificates:
  
  Check if the SSL certificate is valid and trusted. You can do this by importing the certificate into the SAP trust store.
  Use transaction STRUST in SAP to manage SSL certificates and trust relationships.
  
  
  
  Test Network Connectivity:
  
  Use tools like ping or telnet to check if the SAP system can reach the target server.
  Ensure that there are no network issues or outages.
  
  
  
  Verify the URL:
  
  Double-check the URL being called for correctness. Ensure that it is properly formatted and points to the correct endpoint.
  
  
  
  Check Firewall/Proxy Settings:
  
  If there is a firewall or proxy in place, ensure that it allows traffic to the target server on the required ports.
  
  
  
  Review SAP Logs:
  
  Check the SAP application logs for more detailed error messages that may provide additional context about the issue.
  
  
  
  Related Information
  
  
  Transaction STRUST: This transaction is used to manage SSL certificates and trust relationships in SAP. You can import certificates and check the trust settings here.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address specific issues related to TRUST112 or SSL/TLS configurations.
  
  
  Documentation: Review SAP documentation on configuring HTTPS connections and managing SSL certificates for more detailed guidance.
  
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with the full error message and any relevant logs.