报错

[liuyiyuan8888]

执行这个 java -jar ./smartut.jar -target target/classes/ 提示下面的错误：

• Number of covered goals: 2
• Generated 1 tests with total length 3
• Resulting test suite's coverage: 100% (average coverage for all fitness functions)
• Generating assertions
• Resulting test suite's mutation score: 0%
• Compiling and checking tests
  [MASTER] 17:47:53.849 [logback-1] WARN TestSuiteGenerator - Add assertions DONE
  [MASTER] 17:47:53.849 [logback-1] WARN TestSuiteGenerator - Start JUNIT COMPILE AND CHECK, test suite size is 1
  [MASTER] 17:47:55.115 [logback-2] ERROR AgentLoader - Exception class java.lang.IllegalStateException: Error during attachment using: org.smartut.shaded.net.bytebuddy.agent.ByteBuddyAgent$AttachmentProvider$Compound@3ad709bb , cause class java.lang.reflect.InvocationTargetException null
  java.lang.IllegalStateException: Error during attachment using: org.smartut.shaded.net.bytebuddy.agent.ByteBuddyAgent$AttachmentProvider$Compound@3ad709bb
  at org.smartut.shaded.net.bytebuddy.agent.ByteBuddyAgent.install(ByteBuddyAgent.java:613)
  at org.smartut.shaded.net.bytebuddy.agent.ByteBuddyAgent.attach(ByteBuddyAgent.java:273)
  at org.smartut.shaded.net.bytebuddy.agent.ByteBuddyAgent.attach(ByteBuddyAgent.java:238)
  at org.smartut.shaded.net.bytebuddy.agent.ByteBuddyAgent.attach(ByteBuddyAgent.java:220)
  at org.smartut.runtime.agent.AgentLoader.attachAgent(AgentLoader.java:130)
  at org.smartut.runtime.agent.AgentLoader.loadAgent(AgentLoader.java:91)
  at org.smartut.runtime.agent.InstrumentingAgent.initialize(InstrumentingAgent.java:101)
  at org.smartut.runtime.SmartUtRunner.getClass(SmartUtRunner.java:116)
  at org.smartut.runtime.SmartUtRunner.(SmartUtRunner.java:91)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
  at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
  at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
  at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:104)
  at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:86)
  at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:70)
  at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:37)
  at org.junit.runner.Computer.getRunner(Computer.java:50)
  at org.junit.runner.Computer$1.runnerForClass(Computer.java:31)
  at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:70)
  at org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:125)
  at org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:111)
  at org.junit.runners.Suite.(Suite.java:81)
  at org.junit.runner.Computer$2.(Computer.java:33)
  at org.junit.runner.Computer.getSuite(Computer.java:28)
  at org.junit.runner.Request.classes(Request.java:77)
  at org.junit.runner.JUnitCore.run(JUnitCore.java:105)
  at org.junit.runner.JUnitCore.run(JUnitCore.java:94)
  at org.smartut.junit.JUnitAnalyzer.runJUnitOnCurrentProcess(JUnitAnalyzer.java:306)
  at org.smartut.junit.JUnitAnalyzer.runTests(JUnitAnalyzer.java:276)
  at org.smartut.junit.JUnitAnalyzer.handleTestsThatAreUnstable(JUnitAnalyzer.java:178)
  at org.smartut.TestSuiteGenerator.compileAndCheckTests(TestSuiteGenerator.java:598)
  at org.smartut.TestSuiteGenerator.postProcessTests(TestSuiteGenerator.java:542)
  at org.smartut.TestSuiteGenerator.generateTestSuite(TestSuiteGenerator.java:222)
  at org.smartut.rmi.service.ClientNodeImpl.lambda$startNewSearch$0(ClientNodeImpl.java:150)
  at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
  at java.util.concurrent.FutureTask.run(FutureTask.java:266)
  at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  at java.lang.Thread.run(Thread.java:748)
  Caused by: java.lang.reflect.InvocationTargetException: null
  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.lang.reflect.Method.invoke(Method.java:498)
  at org.smartut.shaded.net.bytebuddy.agent.Attacher.install(Attacher.java:106)
  at org.smartut.shaded.net.bytebuddy.agent.ByteBuddyAgent.install(ByteBuddyAgent.java:608)
  ... 39 common frames omitted
  Caused by: com.sun.tools.attach.AttachNotSupportedException: no providers installed
  at com.sun.tools.attach.VirtualMachine.attach(VirtualMachine.java:203)
  ... 45 common frames omitted