After the fix for JDK-8234465 we see multiple test failures in our tier2 tests:

sun/security/tools/keytool/fakegen/DefaultSignatureAlgorithm.java

/opt/mach5/mesos/work_dir/jib-master/install/jdk-15+2-23/src.full/open/test/jdk/sun/security/tools/keytool/fakegen/jdk.crypto.ec/sun/security/ec/ECKeyPairGenerator.java:100: error: no suitable constructor found for ECPrivateKeyImpl(BigInteger,ECParameterSpec)
                    new ECPrivateKeyImpl(s, ecParams));
                    ^
    constructor ECPrivateKeyImpl.ECPrivateKeyImpl(byte[]) is not applicable
      (actual and formal argument lists differ in length)
    constructor ECPrivateKeyImpl.ECPrivateKeyImpl(BigInteger,ECPoint,ECParameterSpec) is not applicable
      (actual and formal argument lists differ in length)
    constructor ECPrivateKeyImpl.ECPrivateKeyImpl(byte[],ECPoint,ECParameterSpec) is not applicable
      (actual and formal argument lists differ in length)
1 error


sun/security/ec/TestEC.java

javax.net.ssl|DEBUG|0E|MainThread|2019-12-17 02:51:39.376 UTC|SSLSocketImpl.java:1701|close the underlying socket
javax.net.ssl|DEBUG|0E|MainThread|2019-12-17 02:51:39.376 UTC|SSLSocketImpl.java:1720|close the SSL connection (initiative)
javax.net.ssl|DEBUG|0E|MainThread|2019-12-17 02:51:39.376 UTC|SSLSocketImpl.java:792|close inbound of SSLSocket
javax.net.ssl|WARNING|0E|MainThread|2019-12-17 02:51:39.377 UTC|SSLSocketImpl.java:571|SSLSocket duplex close failed (
"throwable" : {
  java.net.SocketException: Socket is closed
   at java.base/java.net.Socket.shutdownInput(Socket.java:1619)
   at java.base/sun.security.ssl.BaseSSLSocketImpl.shutdownInput(BaseSSLSocketImpl.java:216)
   at java.base/sun.security.ssl.SSLSocketImpl.shutdownInput(SSLSocketImpl.java:807)
   at java.base/sun.security.ssl.SSLSocketImpl.bruteForceCloseInput(SSLSocketImpl.java:757)
   at java.base/sun.security.ssl.SSLSocketImpl.duplexCloseOutput(SSLSocketImpl.java:695)
   at java.base/sun.security.ssl.SSLSocketImpl.close(SSLSocketImpl.java:556)


java/security/KeyAgreement/KeySpecTest.java

java.lang.RuntimeException: PrivateKey is not equal with PrivateKey generated through KeySpec
at KeySpecTest.testKeyEquals(KeySpecTest.java:230)
at KeySpecTest.testKeySpecs(KeySpecTest.java:119)
at KeySpecTest.main(KeySpecTest.java:68)