JDK-8227642 introduced a System.getProperty() call in test/lib/jdk/test/lib/Platform.java which causes problems for other tests which have a security manager installed. One such test is jdk/net/Sockets/Test.java which fails with:

java.lang.ExceptionInInitializerError
at Test.checkExpectedOptionSupport(Test.java:192)
at Test.<clinit>(Test.java:55)
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:567)
at com.sun.javatest.regtest.agent.MainWrapper$MainThread.run(MainWrapper.java:127)
at java.base/java.lang.Thread.run(Thread.java:830)
Caused by: java.security.AccessControlException: access denied ("java.util.PropertyPermission" "jdk.test.docker.command" "read")
at java.base/java.security.AccessControlContext.checkPermission(AccessControlContext.java:472)
at java.base/java.security.AccessController.checkPermission(AccessController.java:1034)
at java.base/java.lang.SecurityManager.checkPermission(SecurityManager.java:408)
at java.base/java.lang.SecurityManager.checkPropertyAccess(SecurityManager.java:1152)
at java.base/java.lang.System.getProperty(System.java:881)
at jdk.test.lib.Platform.<clinit>(Platform.java:41)
... 8 more