The following test failed in the JDK21 CI:

javax/net/ssl/DTLS/DTLSRehandshakeWithCipherChangeTest.java

Here's a snippet from the log file:

----------System.err:(26/1729)----------
Test Exception for TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
java.lang.Error: Too much loops for handshaking
at SSLEngineTestCase.doHandshake(SSLEngineTestCase.java:593)
at SSLEngineTestCase.doHandshake(SSLEngineTestCase.java:531)
at RehandshakeWithCipherChangeTest.testOneCipher(RehandshakeWithCipherChangeTest.java:59)
at SSLEngineTestCase.testSomeCiphers(SSLEngineTestCase.java:931)
at SSLEngineTestCase.runTests(SSLEngineTestCase.java:720)
at RehandshakeWithCipherChangeTest.main(RehandshakeWithCipherChangeTest.java:40)
at DTLSRehandshakeWithCipherChangeTest.main(DTLSRehandshakeWithCipherChangeTest.java:50)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
at java.base/java.lang.Thread.run(Thread.java:1623)
java.lang.AssertionError: 1 of 45 tests failed!
at SSLEngineTestCase.runTests(SSLEngineTestCase.java:722)
at RehandshakeWithCipherChangeTest.main(RehandshakeWithCipherChangeTest.java:40)
at DTLSRehandshakeWithCipherChangeTest.main(DTLSRehandshakeWithCipherChangeTest.java:50)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:578)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:125)
at java.base/java.lang.Thread.run(Thread.java:1623)

JavaTest Message: Test threw exception: java.lang.AssertionError: 1 of 45 tests failed!
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.AssertionError: 1 of 45 tests failed!
----------rerun:(48/10401)*----------