Fixed bug that did not allow connection to Oracle Database 23ai instances that have fast authentication disabled

Author: sharadraju

doc/src/release_notes.rst

@@ -16,6 +16,9 @@ Common Changes
 Thin Mode Changes
 +++++++++++++++++
 
+#)  Fixed bug that did not allow connection to Oracle Database 23ai instances
+    that have fast authentication disabled.
+
 #)  Fixed bug with statement cache which threw an `NJS-111` error when select
     SQL is run on CLOB columns fetched as string.
     See `Issue #1684 <https://github.com/oracle/node-oracledb/issues/

lib/thin/connection.js

@@ -797,8 +797,14 @@ class ThinConnectionImpl extends ConnectionImpl {
           await this._protocol._processMessage(authMessage);
         }
       } else {
+        // When Fast Auth is explicitly disabled on servers > 23ai,
+        // we dont rely on message type TNS_MSG_TYPE_END_OF_REQUEST too
+        // for protocolMessage and dataTypeMessage.
+        const endOfRequestSupport = this.nscon.endOfRequestSupport;
+        this.nscon.endOfRequestSupport = false;
         await this._protocol._processMessage(protocolMessage);
         await this._protocol._processMessage(dataTypeMessage);
+        this.nscon.endOfRequestSupport = endOfRequestSupport;
         await this._protocol._processMessage(authMessage);
       }
       if (!params.token) { // non-token Authentication