How To Fix WGDS_PROCESS770 - Unable to receive http response with method exception number &1

SAP Error Message - Details

• Message type: E = Error

• Message class: WGDS_PROCESS - Global data synchronisation

• Message number: 770

• Message text: Unable to receive http response with method exception number &1

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 WGDS_PROCESS770 - Unable to receive http response with method exception number &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  WGDS_PROCESS770 Unable to receive HTTP response with method exception number &1
  
  Meaning / Cause:
  This error occurs when the SAP system tries to communicate via HTTP (for example, when using SAP Gateway, Web Services, or other HTTP-based communication) and fails to receive a proper HTTP response from the target system or service. The placeholder &1 typically contains an exception number or code that provides more detail about the failure.
  Common causes include:
  
  Network connectivity issues between the SAP system and the target HTTP server.
  The target HTTP server is down, unreachable, or not responding.
  Incorrect URL or endpoint configuration.
  Timeout settings too low, causing the SAP system to give up waiting for a response.
  SSL/TLS handshake failures if HTTPS is used.
  Proxy or firewall blocking the HTTP request or response.
  Authentication or authorization failures on the target system.
  Incorrect HTTP method used or unsupported by the target service.
  
  
  Solution / Troubleshooting Steps:
  
  
  Check the Exception Number (&1):
  
  Look up the specific exception number in SAP documentation or system logs to get more detailed information about the failure.
  
  
  Verify Network Connectivity:  
  
  Ping the target server from the SAP application server.  
  Use tools like telnet or curl from the SAP server to test connectivity to the HTTP endpoint and port.
  
  
  
  Check HTTP Endpoint Configuration:  
  
  Verify the URL, port, and path are correct in the SAP configuration.  
  Ensure the HTTP method (GET, POST, etc.) is supported by the target service.
  
  
  
  Review Timeout Settings:  
  
  Increase the timeout values in the SAP HTTP client configuration if the target server is slow to respond.
  
  
  
  Check SSL/TLS Settings (if HTTPS):  
  
  Ensure the SSL certificates are valid and trusted by the SAP system.  
  Check for any SSL handshake errors in the system logs.
  
  
  
  Check Proxy and Firewall Settings:  
  
  Ensure that no proxy or firewall is blocking the HTTP request or response.  
  If a proxy is used, verify proxy settings in SAP.
  
  
  
  Review Authentication:  
  
  Confirm that the credentials used for the HTTP call are correct and have sufficient permissions.
  
  
  
  Check SAP Notes and Documentation:  
  
  Search for SAP Notes related to WGDS_PROCESS770 or the specific exception number for known issues and patches.
  
  
  
  Enable Detailed Logging:  
  
  Activate HTTP trace or gateway trace in SAP to capture detailed logs of the HTTP communication for further analysis.
  
  
  
  
  Related Information:
  
  
  Transaction / Tools:  
  
  Use transaction SMICM to check ICM (Internet Communication Manager) status and logs.  
  Use SMGW for Gateway monitoring.  
  Use ST22 for dumps related to HTTP communication.  
  Use SM21 for system logs.
  
  
  
  SAP Notes:  
  
  Check SAP Support Portal for notes related to HTTP communication errors and the specific exception number.
  
  
  
  Documentation:  
  
  SAP Help Portal sections on HTTP communication, SAP Gateway, and Web Services.
  
  
  
  
  If you provide the exact exception number (&1), I can help you further narrow down the cause and solution.