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https://issues.apache.org/jira/browse/HDFS-4590?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13603116#comment-13603116
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Huned Lokhandwala commented on HDFS-4590:
-----------------------------------------
The test result is pass with the following Expected Exception being thrown
which passes the test.
java.io.IOException: Failed to get block info from any of the DN in pipeline:
[127.0.0.1:57372]
at
org.apache.hadoop.hdfs.DFSClient$DFSInputStream.updateBlockInfo(DFSClient.java:2048)
at
org.apache.hadoop.hdfs.DFSClient$DFSInputStream.fetchLocatedBlocks(DFSClient.java:1989)
at
org.apache.hadoop.hdfs.DFSClient$DFSInputStream.openInfo(DFSClient.java:1944)
at
org.apache.hadoop.hdfs.DFSClient$DFSInputStream.<init>(DFSClient.java:1936)
at org.apache.hadoop.hdfs.DFSClient.open(DFSClient.java:731)
at
org.apache.hadoop.hdfs.DistributedFileSystem.open(DistributedFileSystem.java:165)
at
org.apache.hadoop.hdfs.TestFileLengthOnClusterRestart.testFileLengthWithDatNodesShutDown(TestFileLengthOnClusterRestart.java:130)
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$1.runReflectiveCall(FrameworkMethod.java:45)
at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
at
org.junit.internal.runners.statements.FailOnTimeout$StatementThread.run(FailOnTimeout.java:62)
Shutting down the Mini HDFS Cluster
> Add more Unit Test Case for HDFS-3701 HDFS Miss Final Block Reading when File
> is Open for Write
> -----------------------------------------------------------------------------------------------
>
> Key: HDFS-4590
> URL: https://issues.apache.org/jira/browse/HDFS-4590
> Project: Hadoop HDFS
> Issue Type: Test
> Components: hdfs-client
> Affects Versions: 1.2.0
> Environment: Java Unit Test Case
> Reporter: Huned Lokhandwala
> Priority: Minor
> Attachments: HDFS-4590.b1.001.patch
>
>
> Add more Java Unit Test Coverage for the feature HDFS-3701 where the file is
> opened for writing, the DFSClient calls one of the datanode owning the last
> block to get its size, and if this datanode is dead then test for if socket
> IO Exception is thrown. Add a unit test case to write to a file, shutdown the
> datanodes, and then try to read from the file and expect an IO Exception. On
> branch 1 it should throw the IO Exception as expected.
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