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SSL Connection Failure Receiving Error CIC_ERR_SMALL_BUFFER In Trace Log (Doc ID 2088273.1)

Last updated on AUGUST 15, 2023

Applies to:

Oracle HTTP Server - Version to [Release Oracle11g]
Information in this document applies to any platform.


Oracle HTTP Server (OHS) version is configured as proxy server in front of WebLogic 10.3.6. While accessing a WebService via a remote JAVA application and through OHS the process fails with these errors:

nzos handshake error, nzos_Handshake returned 28862(server server_name:port, client <IP_ADDR>)
NZ Library Error: SSL IO error [Hint: the client stop the connection unexpectedly]

However, the web service can be reached successfully through the proxy using Firefox browser on the local machine.
When the WebService is called from the client application the following error is registered in the log file:

  Caused by: Connection reset

Request flow:
  Client application (Java) -> SSL -> OHS (mod_wl_ohs) -> SSL ->WebLogic 10.3.6

  1. Web service deployed to WebLogic 10.3.6
  2. OHS proxying SSL requests to WebLogic via mod_ol_whs
  3. Client java application fails during SSL handshake with OHS when trying to access WebService

WebService is not accessible.




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