Seen with JDK 10 + 11 on Ubuntu 16.04 :

----------System.out:(0/0)----------
----------System.err:(14/1096)----------
java.lang.RuntimeException: File system default directory must be null! (FilePermission has not been granted in our policy file).
at bug8062561.checkDefaultDirectory(bug8062561.java:78)
at bug8062561.main(bug8062561.java:60)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:564)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:115)
at java.base/java.lang.Thread.run(Thread.java:844)

JavaTest Message: Test threw exception: java.lang.RuntimeException: File system default directory must be null! (FilePermission has not been granted in our policy file).
JavaTest Message: shutting down test

STATUS:Failed.`main' threw exception: java.lang.RuntimeException: File system default directory must be null! (FilePermission has not been granted in our policy file).