TestMiniKdc fails on Java 9

[INFO] Running org.apache.hadoop.minikdc.TestMiniKdc
[ERROR] Tests run: 3, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 3.748 s <<< FAILURE! - in org.apache.hadoop.minikdc.TestMiniKdc
[ERROR] testKerberosLogin(org.apache.hadoop.minikdc.TestMiniKdc)  Time elapsed: 1.301 s  <<< ERROR!
javax.security.auth.login.LoginException: 
java.lang.NullPointerException: invalid null input(s)
	at java.base/java.util.Objects.requireNonNull(Objects.java:246)
	at java.base/javax.security.auth.Subject$SecureSet.remove(Subject.java:1172)
	at java.base/java.util.Collections$SynchronizedCollection.remove(Collections.java:2039)
	at jdk.security.auth/com.sun.security.auth.module.Krb5LoginModule.logout(Krb5LoginModule.java:1193)
	at java.base/javax.security.auth.login.LoginContext.invoke(LoginContext.java:732)
	at java.base/javax.security.auth.login.LoginContext.access$000(LoginContext.java:194)
	at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:665)
	at java.base/javax.security.auth.login.LoginContext$4.run(LoginContext.java:663)
	at java.base/java.security.AccessController.doPrivileged(Native Method)
	at java.base/javax.security.auth.login.LoginContext.invokePriv(LoginContext.java:663)
	at java.base/javax.security.auth.login.LoginContext.logout(LoginContext.java:613)
	at org.apache.hadoop.minikdc.TestMiniKdc.testKerberosLogin(TestMiniKdc.java:169)