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2604240 - TLS handshake failure due to missing SNI extension

Symptom

A TLS connection from the AS Java using the IAIK library (SAP Note 2284059) fails with the following trace, considering that the TLS version is supported by the target server:

ssl_debug(6): Starting handshake (iSaSiLk)...
ssl_debug(6): Sending v3 client_hello message to <server>, requesting version <TLS version>...
ssl_debug(6): Sending extensions: renegotiation_info (XXXX), signature_algorithms (XX)
ssl_debug(6): IOException while handshaking: Connection reset
ssl_debug(6): Sending alert: Alert Fatal: handshake failure

Note that the SNI extension (server_name) is not sent.


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Environment

SAP NetWeaver Application Server Java

Product

SAP NetWeaver Application Server for Java all versions

Keywords

ssl pi xi adapter soap, TLS handshake failure, SNI extension, Exception sending message: java.net.SocketException: Broken pipe (Write failed), This site works only in browsers with SNI support. , KBA , BC-JAS-SEC-CPG , Cryptography , BC-XI-CON-SOP , SOAP Adapter , Problem

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