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https://issues.apache.org/jira/browse/HDFS-5003?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13711815#comment-13711815
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Hadoop QA commented on HDFS-5003:
---------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12592847/HADOOP-9739.1.trunk.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 1 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 javadoc{color}. The javadoc tool did not generate any
warning messages.
{color:green}+1 eclipse:eclipse{color}. The patch built with
eclipse:eclipse.
{color:green}+1 findbugs{color}. The patch does not introduce any new
Findbugs (version 1.3.9) warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
{color:green}+1 contrib tests{color}. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/4674//testReport/
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/4674//console
This message is automatically generated.
> 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
> Reporter: Xi Fang
> Assignee: Xi Fang
> Priority: Minor
> Fix For: 3.0.0, 1-win, 2.1.0-beta
>
> 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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