机器学习：weka源码在eclipse的配置和异常VerifyError的解决

　　今天把weka源码导入eclipse，打算学习下weka源码，遇到一些问题，网上资料不足，自己总结下，希望为后来人铺路。

　　1）新建java项目，命名weka3-6　

　　2）把weka-src.jar解压，再把src\main\java\weka文件拽到项目的src目录

　　3）把weka-src\lib目录的三个jar包引进

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" 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运行main函数出现VerifyError异常，如下：

java.lang.VerifyError: Expecting a stackmap frame at branch target  in method com.abc.domain.myPackage.MyClass$JaxbAccessorM_getDescription_setDescription_java_lang_String.get(Ljava/lang/Object;)Ljava/lang/Object; at offset

    at java.lang.Class.getDeclaredConstructors0(Native Method)

    at java.lang.Class.privateGetDeclaredConstructors(Class.java:)

    at java.lang.Class.getConstructor0(Class.java:)

    at java.lang.Class.newInstance0(Class.java:)

    at java.lang.Class.newInstance(Class.java:)

    at com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.instanciate(OptimizedAccessorFactory.java:)

    at com.sun.xml.internal.bind.v2.runtime.reflect.opt.OptimizedAccessorFactory.get(OptimizedAccessorFactory.java:)

    at com.sun.xml.internal.bind.v2.runtime.reflect.Accessor$GetterSetterReflection.optimize(Accessor.java:)

    at com.sun.xml.internal.bind.v2.runtime.property.SingleElementLeafProperty.<init>(SingleElementLeafProperty.java:)

    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)

    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:)

    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:)

    at java.lang.reflect.Constructor.newInstance(Constructor.java:)

    at com.sun.xml.internal.bind.v2.runtime.property.PropertyFactory.create(PropertyFactory.java:)

    at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.<init>(ClassBeanInfoImpl.java:)

    at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.getOrCreate(JAXBContextImpl.java:)

    at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:)

    at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl.<init>(JAXBContextImpl.java:)

    at com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl$JAXBContextBuilder.build(JAXBContextImpl.java:)

    at com.sun.xml.internal.bind.v2.ContextFactory.createContext(ContextFactory.java:)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:)

    at java.lang.reflect.Method.invoke(Method.java:)

    at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:)

    at javax.xml.bind.ContextFinder.newInstance(ContextFinder.java:)

    at javax.xml.bind.ContextFinder.find(ContextFinder.java:)

    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:)

    at javax.xml.bind.JAXBContext.newInstance(JAXBContext.java:)

    at com.abc.domain.myPackage.MyClass.marshalFacetsTest(MyClass.java:)

    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:)

    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:)

    at java.lang.reflect.Method.invoke(Method.java:)

    at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:)

    at org.testng.internal.Invoker.invokeMethod(Invoker.java:)

    at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:)

    at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:)

    at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:)

    at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:)

    at org.testng.TestRunner.privateRun(TestRunner.java:)

    at org.testng.TestRunner.run(TestRunner.java:)

    at org.testng.SuiteRunner.runTest(SuiteRunner.java:)

    at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:)

    at org.testng.SuiteRunner.privateRun(SuiteRunner.java:)

    at org.testng.SuiteRunner.run(SuiteRunner.java:)

    at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:)

    at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:)

    at org.testng.TestNG.runSuitesSequentially(TestNG.java:)

    at org.testng.TestNG.runSuitesLocally(TestNG.java:)

    at org.testng.TestNG.run(TestNG.java:)

    at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:)

    at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:)

    at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:)

解决方案：把jdk7改成jdk6，并把complier的jdk7编译器改成6

巴特西

机器学习：weka源码在eclipse的配置和异常VerifyError的解决

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