[jira] [Updated] (HADOOP-9739) Branch-1-Win TestNNThroughputBenchmark failed

["Xi Fang (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-9739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xi Fang updated HADOOP-9739:
----------------------------

    Attachment: HADOOP-9739.1.patch
    
> Branch-1-Win TestNNThroughputBenchmark failed
> ---------------------------------------------
>
>                 Key: HADOOP-9739
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9739
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 1-win
>            Reporter: Xi Fang
>            Assignee: Xi Fang
>            Priority: Minor
>             Fix For: 1-win
>
>         Attachments: HADOOP-9739.1.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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