---------System.err:(26/1440)----------
[5ms] run args: [onion.pickle.Mangle]
java.io.IOException: handshake failed - connection prematurally closed
at jdk.jdi/com.sun.tools.jdi.SocketTransportService.handshake(SocketTransportService.java:142)
at jdk.jdi/com.sun.tools.jdi.SocketTransportService.accept(SocketTransportService.java:383)
at jdk.jdi/com.sun.tools.jdi.AbstractLauncher$Helper$2.run(AbstractLauncher.java:262)

 Unable to launch target VM.
java.lang.NullPointerException
at VMConnection.open(VMConnection.java:157)
at TestScaffold.connect(TestScaffold.java:635)
at TestScaffold.startUp(TestScaffold.java:364)
at TestScaffold.startTo(TestScaffold.java:374)
at TestScaffold.startToMain(TestScaffold.java:369)
at MangleTest.runTests(MangleTest.java:154)
at TestScaffold.startTests(TestScaffold.java:431)
at MangleTest.main(MangleTest.java:32)
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:566)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:834)