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https://issues.apache.org/jira/browse/HDFS-5003?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Chris Nauroth updated HDFS-5003:
--------------------------------
Target Version/s: 3.0.0, 1-win, 2.1.0-beta, 1.2.1 (was: 3.0.0, 1-win,
2.1.0-beta)
Affects Version/s: 1.2.1
Fix Version/s: 1.2.1
Hadoop Flags: Reviewed
+1 for the patches. I'll commit this.
> TestNNThroughputBenchmark failed caused by existing directories
> ---------------------------------------------------------------
>
> Key: HDFS-5003
> URL: https://issues.apache.org/jira/browse/HDFS-5003
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Affects Versions: 3.0.0, 1-win, 2.1.0-beta, 1.2.1
> Reporter: Xi Fang
> Assignee: Xi Fang
> Priority: Minor
> Fix For: 3.0.0, 1-win, 2.1.0-beta, 1.2.1
>
> Attachments: HADOOP-9739.1.patch, HADOOP-9739.1.trunk.patch
>
>
> This test failed on both Windows and Linux.
> Here is the error information.
> Testcase: testNNThroughput took 36.221 sec
> Caused an ERROR
> NNThroughputBenchmark: cannot mkdir
> D:\condor\condor\build\test\dfs\hosts\exclude
> java.io.IOException: NNThroughputBenchmark: cannot mkdir
> D:\condor\condor\build\test\dfs\hosts\exclude
> at
> org.apache.hadoop.hdfs.server.namenode.NNThroughputBenchmark.<init>(NNThroughputBenchmark.java:111)
> at
> org.apache.hadoop.hdfs.server.namenode.NNThroughputBenchmark.runBenchmark(NNThroughputBenchmark.java:1168)
> at
> org.apache.hadoop.hdfs.server.namenode.TestNNThroughputBenchmark.testNNThroughput(TestNNThroughputBenchmark.java:38)
> This test may not fail for the first run, but will fail for the second one.
> The root cause is in the constructor of NNThroughputBenchmark
> {code}
> NNThroughputBenchmark(Configuration conf) throws IOException, LoginException
> {
> ...
> config.set("dfs.hosts.exclude", "${hadoop.tmp.dir}/dfs/hosts/exclude");
> File excludeFile = new File(config.get("dfs.hosts.exclude", "exclude"));
> if(! excludeFile.exists()) {
> if(!excludeFile.getParentFile().mkdirs())
> throw new IOException("NNThroughputBenchmark: cannot mkdir " +
> excludeFile);
> }
> new FileOutputStream(excludeFile).close();
> {code}
> excludeFile.getParentFile() may already exist, then
> excludeFile.getParentFile().mkdirs() will return false, which however is not
> an expected behavior.
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