java.lang.NoSuchMethodException: class.get$jacocoData()

[yajvane]

Hi Team,

While running tests ., I am seeing this exception. Please let me know in which scenario this exception was thrown ?

###############################

java.lang.NoSuchMethodException: com.cisco.cpm.policy.PolicyAttributeType.get$jacocoData()
	at java.lang.Class.getMethod(Class.java:1778)
	at com.cisco.cpm.policy.cache.proxy.ProxyUtil.compareModels(ProxyUtil.java:247)
	at com.cisco.cpm.policy.cache.proxy.PolicyAttributeTypeProxyTest.testBuildModelObject(PolicyAttributeTypeProxyTest.java:79)
	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:483)
	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:85)
	at org.testng.internal.MethodInvocationHelper$1.runTestMethod(MethodInvocationHelper.java:200)
	at org.springframework.test.context.testng.AbstractTestNGSpringContextTests.run(AbstractTestNGSpringContextTests.java:155)
	at org.testng.internal.MethodInvocationHelper.invokeHookable(MethodInvocationHelper.java:212)
	at org.testng.internal.Invoker.invokeMethod(Invoker.java:689)
	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:882)
	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1189)
	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:124)
	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:108)
	at org.testng.TestRunner.privateRun(TestRunner.java:767)
	at org.testng.TestRunner.run(TestRunner.java:617)
	at org.testng.SuiteRunner.runTest(SuiteRunner.java:348)
	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:343)
	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:305)
	at org.testng.SuiteRunner.run(SuiteRunner.java:254)
	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 org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:70)
	at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeMulti(TestNGDirectoryTestSuite.java:157)
	at org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:97)
	at org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:111)
	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:483)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
	at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:172)
	at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcessWhenForked(SurefireStarter.java:104)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:70)

####################################

-Regards,

Kesav.

[Marc Hoffmann]

Hi Kesav,

please see our FAQ: http://www.eclemma.org/jacoco/trunk/doc/faq.html


Q: My code uses reflection. Why does it fail when I execute it with
JaCoCo?

To collect execution data JaCoCo instruments the classes under test
which adds two members to the classes: A private static field
$jacocoData and a private static method $jacocoInit(). Both members are
marked as synthetic.

Please change your code to ignore synthetic members. This is a good
practice anyways as also the Java compiler creates synthetic members in
certain situation.



Regards,
-marc

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