Test:
javax/net/ssl/TLSv12/DisabledShortRSAKeys.java

This looks to be intermittent failure. Also it looks to be Test synchronization issue.

"Thread-1" #12 prio=5 os_prio=64 tid=0x0000000100583800 nid=0x15 runnable [0xffffffff7b58e000]
   java.lang.Thread.State: RUNNABLE
at java.net.PlainSocketImpl.socketAccept(java.base@9-ea/Native Method)
at java.net.AbstractPlainSocketImpl.accept(java.base@9-ea/AbstractPlainSocketImpl.java:459)
at java.net.ServerSocket.implAccept(java.base@9-ea/ServerSocket.java:551)
at sun.security.ssl.SSLServerSocketImpl.accept(java.base@9-ea/SSLServerSocketImpl.java:352)
at DisabledShortRSAKeys.doServerSide(DisabledShortRSAKeys.java:154)
at DisabledShortRSAKeys$1.run(DisabledShortRSAKeys.java:392)

"MainThread" #11 prio=5 os_prio=64 tid=0x000000010057d800 nid=0x14 in Object.wait() [0xffffffff7b69d000]
   java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(java.base@9-ea/Native Method)
- waiting on <0x00000007a010fe00> (a DisabledShortRSAKeys$1)
at java.lang.Thread.join(java.base@9-ea/Thread.java:1353)
- waiting to re-lock in wait() <0x00000007a010fe00> (a DisabledShortRSAKeys$1)
at java.lang.Thread.join(java.base@9-ea/Thread.java:1427)
at DisabledShortRSAKeys.<init>(DisabledShortRSAKeys.java:333)
at DisabledShortRSAKeys.main(DisabledShortRSAKeys.java:303)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-ea/Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-ea/NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-ea/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@9-ea/Method.java:537)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:110)
at java.lang.Thread.run(java.base@9-ea/Thread.java:844)

"Service Thread" #9 daemon prio=9 os_prio=64 tid=0x000000010052c000 nid=0x12 runnable [0x0000000000000000]
   java.lang.Thread.State: RUNNABLE