这是什么问题啊？

Question

java.lang.NullPointerException at org.eclipse.jdt.internal.junit4.runner.SubForestFilter.shouldRun(SubForestFilter.java:81) at org.junit.internal.runners.TestClassMethodsRunner.filter(TestClassMethodsRunner.java:84) at org.junit.runner.manipulation.Filter.apply(Filter.java:47) at org.junit.internal.runners.TestClassRunner.filter(TestClassRunner.java:64) at org.junit.runner.manipulation.Filter.apply(Filter.java:47) at org.junit.internal.requests.FilterRequest.getRunner(FilterRequest.java:34) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createFilteredTest(JUnit4TestLoader.java:77) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.createTest(JUnit4TestLoader.java:68) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestLoader.loadTests(JUnit4TestLoader.java:43) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:444) 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)

Answer 1

最常见的空指针异常

Answer 2

这是eclipse在使用junit的空指针问题

Answer 3

检查你的代码赋值了吗

Answer 4

空指针异常junit4的测试方法有问题吧？代码贴上来看看