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https://issues.apache.org/jira/browse/HDFS-15146?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Ahmed Hussein updated HDFS-15146:
---------------------------------
Status: Patch Available (was: Open)
> TestBalancerRPCDelay.testBalancerRPCDelay fails intermittently
> --------------------------------------------------------------
>
> Key: HDFS-15146
> URL: https://issues.apache.org/jira/browse/HDFS-15146
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Ahmed Hussein
> Assignee: Ahmed Hussein
> Priority: Minor
>
> TestBalancerRPCDelay.testBalancerRPCDelay fails intermittently when the
> number of blocks does not match the expected. In {{testBalancerRPCDelay}}, it
> seems like some datanodes will not be up by the time we fetch the block
> locations.
> I see the following stack trace:
> {code:bash}
> [ERROR] Tests run: 2, Failures: 1, Errors: 0, Skipped: 0, Time elapsed:
> 39.969 s <<< FAILURE! - in
> org.apache.hadoop.hdfs.server.balancer.TestBalancerRPCDelay
> [ERROR]
> testBalancerRPCDelayQpsDefault(org.apache.hadoop.hdfs.server.balancer.TestBalancerRPCDelay)
> Time elapsed: 12.035 s <<< FAILURE!
> java.lang.AssertionError: Number of getBlocks should be not less than 20
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.assertTrue(Assert.java:41)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancer.testBalancerRPCDelay(TestBalancer.java:2197)
> at
> org.apache.hadoop.hdfs.server.balancer.TestBalancerRPCDelay.testBalancerRPCDelayQpsDefault(TestBalancerRPCDelay.java:53)
> 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$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:298)
> at
> org.junit.internal.runners.statements.FailOnTimeout$CallableStatement.call(FailOnTimeout.java:292)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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