----------System.err:(64/4725)----------
java.io.UncheckedIOException: java.io.IOException: Foo.class in the unnamed package
at jdk.tools.jmod.JmodTask$JmodFileWriter.toPackageName(jdk.jlink@9-ea/JmodTask.java:614)
at jdk.tools.jmod.JmodTask$JmodFileWriter.lambda$findPackages$3(jdk.jlink@9-ea/JmodTask.java:584)
at java.util.stream.ReferencePipeline$3$1.accept(java.base@9-ea/ReferencePipeline.java:195)
at java.util.stream.ReferencePipeline$3$1.accept(java.base@9-ea/ReferencePipeline.java:195)
at java.util.stream.ReferencePipeline$2$1.accept(java.base@9-ea/ReferencePipeline.java:177)
at java.util.Iterator.forEachRemaining(java.base@9-ea/Iterator.java:120)
at java.util.Spliterators$IteratorSpliterator.forEachRemaining(java.base@9-ea/Spliterators.java:1801)
at java.util.stream.AbstractPipeline.copyInto(java.base@9-ea/AbstractPipeline.java:484)
at java.util.stream.AbstractPipeline.wrapAndCopyInto(java.base@9-ea/AbstractPipeline.java:474)
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(java.base@9-ea/ReduceOps.java:913)
at java.util.stream.AbstractPipeline.evaluate(java.base@9-ea/AbstractPipeline.java:234)
at java.util.stream.ReferencePipeline.collect(java.base@9-ea/ReferencePipeline.java:511)
at jdk.tools.jmod.JmodTask$JmodFileWriter.findPackages(jdk.jlink@9-ea/JmodTask.java:587)
at jdk.tools.jmod.JmodTask$JmodFileWriter.findPackages(jdk.jlink@9-ea/JmodTask.java:562)
at jdk.tools.jmod.JmodTask$JmodFileWriter.write(jdk.jlink@9-ea/JmodTask.java:389)
at jdk.tools.jmod.JmodTask.create(jdk.jlink@9-ea/JmodTask.java:351)
at jdk.tools.jmod.JmodTask.run(jdk.jlink@9-ea/JmodTask.java:199)
at jdk.tools.jmod.Main.run(jdk.jlink@9-ea/Main.java:47)
at JmodTest.jmod(JmodTest.java:428)
at JmodTest.testTmpFileRemoved(JmodTest.java:338)
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:531)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
at org.testng.TestRunner.privateRun(TestRunner.java:767)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
at org.testng.TestNG.run(TestNG.java:1057)
at com.sun.javatest.regtest.TestNGAction$TestNGRunner.main(TestNGAction.java:220)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-ea/Native Method)
at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-ea/NativeMethodAccessorImpl.java:62)
at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-ea/DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(java.base@9-ea/Method.java:531)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:226)
at java.lang.Thread.run(java.base@9-ea/Thread.java:843)
Caused by: java.io.IOException: Foo.class in the unnamed package
at jdk.tools.jmod.JmodTask$JmodFileWriter.toPackageName(jdk.jlink@9-ea/JmodTask.java:613)
... 47 more
java.lang.Exception: failures: 1
at com.sun.javatest.regtest.TestNGAction$TestNGRunner.main(TestNGAction.java:223)
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:531)
at com.sun.javatest.regtest.agent.MainActionHelper$SameVMRunnable.run(MainActionHelper.java:226)
at java.lang.Thread.run(java.base@9-ea/Thread.java:843)

JavaTest Message: Test threw exception: java.lang.Exception
JavaTest Message: shutting down test

result: Failed. Execution failed: `main' threw exception: java.lang.Exception: failures: 1


test result: Failed. Execution failed: `main' threw exception: java.lang.Exception: failures: 1