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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-849) .TestFiDataTransferProtocol2#pipeline_Fi_18 sometimes fails
Date Wed, 23 Dec 2009 01:19:30 GMT
.TestFiDataTransferProtocol2#pipeline_Fi_18 sometimes fails
-----------------------------------------------------------

                 Key: HDFS-849
                 URL: https://issues.apache.org/jira/browse/HDFS-849
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: test
    Affects Versions: 0.20.1
            Reporter: Hairong Kuang
            Assignee: Hairong Kuang
             Fix For: 0.21.0, 0.22.0


.TestFiDataTransferProtocol2#pipeline_Fi_18 sometimes fails with the following error:
junit.framework.AssertionFailedError: 
	at org.apache.hadoop.hdfs.server.datanode.TestFiDataTransferProtocol2.runTest17_19(TestFiDataTransferProtocol2.java:139)
	at org.apache.hadoop.hdfs.server.datanode.TestFiDataTransferProtocol2.pipeline_Fi_18(TestFiDataTransferProtocol2.java:186)
Which means that the test did not trigger pipeline recovery. The test log shows that there
is no fault injected to the pipeline. It turns out there is a bug in the test code. Counting
down 3 means inject a fault when receiving the fourth packet. But the code allows the file
to have only 3 packets. 

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