risdenk edited a comment on issue #93: [CALCITE-2972] Upgrade jetty to 
9.4.15.v20190215
URL: https://github.com/apache/calcite-avatica/pull/93#issuecomment-479674152
 
 
   Ok so bad news - 
   
   IBM uses `SSL_*` for all the ciphers. Oracle uses `TLS_*` for newer ciphers. 
Jetty 9.4.12+ excluded all `SSL_*` ciphers due to insecurities. No way to 
override IBM to use the `TLS_*` standard naming. Names are interchangeable but 
excluding `SSL_*` means not in cipher list.
   * 
https://www.ibm.com/support/knowledgecenter/en/SSYKE2_7.0.0/com.ibm.java.security.component.70.doc/security-component/jsse2Docs/ciphersuites.html
   * 
https://www.ibm.com/developerworks/community/forums/html/threadTopic?id=9b5a56a9-fa46-4031-b33b-df91e28d77c2
   
   Finally more bad news... Currently cipher suites aren't configurable in 
Avatica so we can't just configure different ciphers for the test - see 
CALCITE-1480

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