Wei-Chiu Chuang created HDFS-14757:
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Summary: TestBalancerRPCDelay.testBalancerRPCDelay failed
Key: HDFS-14757
URL: https://issues.apache.org/jira/browse/HDFS-14757
Project: Hadoop HDFS
Issue Type: Bug
Components: test
Reporter: Wei-Chiu Chuang
{noformat}
Error Message
Unfinished stubbing detected here:
-> at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.spyFSNamesystem(TestBalancer.java:1948)
E.g. thenReturn() may be missing.
Examples of correct stubbing:
when(mock.isOk()).thenReturn(true);
when(mock.isOk()).thenThrow(exception);
doThrow(exception).when(mock).someVoidMethod();
Hints:
1. missing thenReturn()
2. although stubbed methods may return mocks, you cannot inline mock creation
(mock()) call inside a thenReturn method (see issue 53)
Stacktrace
org.mockito.exceptions.misusing.UnfinishedStubbingException:
Unfinished stubbing detected here:
-> at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.spyFSNamesystem(TestBalancer.java:1948)
E.g. thenReturn() may be missing.
Examples of correct stubbing:
when(mock.isOk()).thenReturn(true);
when(mock.isOk()).thenThrow(exception);
doThrow(exception).when(mock).someVoidMethod();
Hints:
1. missing thenReturn()
2. although stubbed methods may return mocks, you cannot inline mock creation
(mock()) call inside a thenReturn method (see issue 53)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.spyFSNamesystem(TestBalancer.java:1957)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.doTest(TestBalancer.java:811)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancer.testBalancerRPCDelay(TestBalancer.java:1976)
at
org.apache.hadoop.hdfs.server.balancer.TestBalancerRPCDelay.testBalancerRPCDelay(TestBalancerRPCDelay.java:30)
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:498)
at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at
org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:74)
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