我已经找到了这个问题的答案，并尝试了我能找到的唯一解决方案 （jmockit: Native library for Attach API not available in this JRE error）
我尝试将attach.dll添加到PATH环境变量但没有成功。 （C：\ Program Files \ Java \ jdk1.7.0_60 \ jre \ bin \ attach.dll）
还有其他建议吗？
java.lang.IllegalStateException: Native library for Attach API not available in this JRE
at mockit.internal.startup.AgentLoader.getVirtualMachineImplementationFromEmbeddedOnes(AgentLoader.java:88)
at mockit.internal.startup.AgentLoader.loadAgent(AgentLoader.java:47)
at mockit.internal.startup.AgentInitialization.loadAgentFromLocalJarFile(AgentInitialization.java:27)
at mockit.internal.startup.Startup.initializeIfPossible(Startup.java:252)
at mockit.integration.junit4.JMockit.<clinit>(JMockit.java:21)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Unknown Source)
at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:29)
at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:21)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:26)
at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:59)
at org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:26)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.<init>(JUnit4TestReference.java:33)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestClassReference.<init>(JUnit4TestClassReference.java:25)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:48)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:452)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: java.lang.UnsatisfiedLinkError: no attach in java.library.path
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at sun.tools.attach.WindowsVirtualMachine.<clinit>(WindowsVirtualMachine.java:185)
at mockit.internal.startup.AgentLoader.getVirtualMachineImplementationFromEmbeddedOnes(AgentLoader.java:66)
... 22 more
答案 0 :(得分：10)
您正在使用jre而不是jdk。转到Windows-＆gt;偏好设置＆gt; Java-＆gt;已安装的JRE并删除jre并添加jdk，同时将其选为默认设置。