如何修复java.lang.NoSuchMethodError

时间:2016-06-21 22:05:38

标签: java spring junit

我的一个测试用例是NoSuchMethodError。我已从项目中删除了getExceptionHandler()方法,因此根本不应检测此方法。这是此错误的唯一测试用例。

这是堆栈跟踪

java.lang.NoSuchMethodError: mig.eis.common.service.impl.iso.ISOPPCServiceHelper.getExceptionHandler()Lmig/eis/framework/exception/IExceptionHandler;
at mig.eis.common.service.impl.iso.ISOPPCServiceHelper.mergePPCInputTemplate(ISOPPCServiceHelper.java:62)
at mig.eis.common.service.impl.iso.ISOServiceDelegate.retrieveData(ISOServiceDelegate.java:36)
at mig.eis.provider.thirdparty.ISOPPCLookupProvider.retrieveData(ISOPPCLookupProvider.java:40)
at test.mig.eis.provider.thirdparty.TestISOPPCLookupProvider.test(TestISOPPCLookupProvider.java:39)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:254)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:89)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:193)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)

我不知道如何告诉编译器getExceptionHandler()不再存在。

由于

1 个答案:

答案 0 :(得分:1)

问题不在您的测试中!测试调用仍然使用方法ISOPPCServiceHelper的{​​{1}}。你必须重新编译该类。在重构之后总是使用构建系统的干净测试来确保一切都正确编译(希望你有一个,否则IDE的重建项目应该完成这项工作)。