Details
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Bug
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Status: Resolved
-
Major
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Resolution: Duplicate
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2.3.0
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None
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None
Description
I'm trying to implement REST API for Dynamic configuration. But NullPointerException occurred when ResourceOption.getOverCommitTimeout() called. Here is a sample code with error message.
@Test
public void testGetOverCommitTimeout() {
Resource capability = Resource.newInstance(4096, 4);
ResourceOption resourceOption = ResourceOption.newInstance(capability,
RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT);
Assert.assertEquals(RMNode.OVER_COMMIT_TIMEOUT_MILLIS_DEFAULT,
resourceOption.getOverCommitTimeout());
}
java.lang.NullPointerException at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:187) at org.apache.hadoop.yarn.api.records.impl.pb.ResourceOptionPBImpl.getOverCommitTimeout(ResourceOptionPBImpl.java:63) at org.apache.hadoop.yarn.server.resourcemanager.TestResourceOption.testGetOverCommitTimeout(TestResourceOption.java:33) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:597) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222) at org.junit.runners.ParentRunner.run(ParentRunner.java:300) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) 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)