Tests in question:

• SslSniHostNamesTest#test
• ResponseStreamPrematurelyClosedTest#testStream

There are some special code parts for the IBM jdk.

AFAIU those were needed for older IBM JDKs (java 8 and less) . From Java 11, the Semeru was introduced in favor of the old IBM jdk (now build with openjdk sources).

Since the resteasy is java 11+ we should get rid of those code exceptions