Powermock newbie/NoClassDefFoundError when mocking Apache DefaultHttpClient - mockito

Question

I'm new to object mocking, and trying to create unit tests for some legacy code. I'm trying to use powermock for the first time, and encountering a NoClassDefFoundError on line 69 ( DefaultHttpClient mockClient = mock(DefaultHttpClient.class);) (see trace below).
Can anyone give me a hand and point me in the right direction?
#RunWith(PowerMockRunner.class)
#PrepareForTest(LoginClient.class)
public class LoginClientTest {
Properties props = null;
#Before
public void setUp() throws FileNotFoundException, IOException {
props = new Properties();
props.load(new FileInputStream("./src/test/resources/LoginClient/default.properties"));
}
/**
* Method description
* #throws Exception
*
*/
#Test
public void loginPositiveTest()
throws Exception {
DefaultHttpClient mockClient = mock(DefaultHttpClient.class);
HttpResponse mockResponse = mock(HttpResponse.class);
StatusLine mockStatusLine = mock(StatusLine.class);
Header[] headers = new BasicHeader[2];
headers[0] = new BasicHeader("Set-Cookie", "COOKIE-DATA");
headers[1] = new BasicHeader("Set-Cookie", "COOKIE-DATA-2");
whenNew(DefaultHttpClient.class).withNoArguments().thenReturn(mockClient);
when(mockClient.execute(isA(HttpUriRequest.class))).thenReturn(mockResponse);
when(mockResponse.getStatusLine()).thenReturn(mockStatusLine);
when(mockStatusLine.getStatusCode()).thenReturn(HttpStatus.SC_OK);
when(mockResponse.getAllHeaders()).thenReturn(headers);
LoginClient client = new LoginClient();
UsernamePasswordCredentials creds = new UsernamePasswordCredentials(props.getProperty("user"),
props.getProperty("password"));
String result = client.getCookie(creds.getUserName(), creds.getPassword());
System.out.println(result);
assertNotNull(result);
}
}
java.lang.NoClassDefFoundError: org.apache.http.impl.client.DefaultHttpClient$$EnhancerByMockitoWithCGLIB$$221fdb68
at sun.reflect.GeneratedSerializationConstructorAccessor6.newInstance(Unknown Source)
at java.lang.reflect.Constructor.newInstance(Constructor.java:521)
at org.objenesis.instantiator.sun.SunReflectionFactoryInstantiator.newInstance(SunReflectionFactoryInstantiator.java:40)
at org.objenesis.ObjenesisBase.newInstance(ObjenesisBase.java:59)
at org.mockito.internal.creation.jmock.ClassImposterizer.createProxy(ClassImposterizer.java:111)
at org.mockito.internal.creation.jmock.ClassImposterizer.imposterise(ClassImposterizer.java:51)
at org.powermock.api.mockito.internal.mockcreation.MockCreator.createMethodInvocationControl(MockCreator.java:100)
at org.powermock.api.mockito.internal.mockcreation.MockCreator.mock(MockCreator.java:58)
at org.powermock.api.mockito.PowerMockito.mock(PowerMockito.java:138)
at [REDACTED].clients.LoginClientTest.loginPositiveTest(LoginClientTest.java:61)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at org.junit.internal.runners.TestMethod.invoke(TestMethod.java:66)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:307)
at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:86)
at org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:94)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.executeTest(PowerMockJUnit44RunnerDelegateImpl.java:294)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTestInSuper(PowerMockJUnit47RunnerDelegateImpl.java:112)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTest(PowerMockJUnit47RunnerDelegateImpl.java:73)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runBeforesThenTestThenAfters(PowerMockJUnit44RunnerDelegateImpl.java:282)
at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:84)
at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:49)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.invokeTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:207)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.runMethods(PowerMockJUnit44RunnerDelegateImpl.java:146)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$1.run(PowerMockJUnit44RunnerDelegateImpl.java:120)
at org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34)
at org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44)
at org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:118)
at org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.run(JUnit4TestSuiteChunkerImpl.java:102)
at org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.run(AbstractCommonPowerMockRunner.java:53)
at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:49)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
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)

Answer 1

Problem appears to be solved by changing from java5 (IBM Websphere) to Sun/Oracle Java6.