junit.framework.AssertionFailedError: Error running action.perform(): class java.lang.NullPointerException - null

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via strutstestcase by nobody
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Error running action.perform(): class java.lang.NullPointerException - null
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Error running action.perform(): class java.lang.NullPointerException - null
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via strutstestcase by erzula
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Error running action.perform(): class java.lang.NullPointerException - null
junit.framework.AssertionFailedError: Error running action.perform(): class java.lang.NullPointerException - null
at junit.framework.Assert.fail(Assert.java:47)
at servletunit.struts.MockStrutsTestCase.actionPerform(MockStrutsTestCase.java:339)
at classmate.TestLoginAction.testSuccessfulLogin(TestLoginAction.java:28)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at junit.framework.TestCase.runTest(TestCase.java:154)
at junit.framework.TestCase.runBare(TestCase.java:127)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:118)
at junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:478)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:344)

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