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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-6747) TestNetUtils fails on Mac OS X
Date Tue, 04 May 2010 10:06:58 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-6747?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12863743#action_12863743
] 

Steve Loughran commented on HADOOP-6747:
----------------------------------------

+ 0 on this; I think its important for the tests to pass, it just irritates me whenever the
underlying OS fails differently from other ones and you have to look for string messages to
find the cause -very, very brittle. Might be best to say "this is macos and we see invalid
argument" to lock down the platforms looked at, though that is equally painful.

> TestNetUtils fails on Mac OS X
> ------------------------------
>
>                 Key: HADOOP-6747
>                 URL: https://issues.apache.org/jira/browse/HADOOP-6747
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.22.0
>         Environment: Mac OS 10.5.8 (Leopard)
>            Reporter: Luke Lu
>             Fix For: 0.22.0
>
>         Attachments: hadoop-6747-trunk-v1.patch, hadoop-6747.txt
>
>
> TestNetUtils fails consistently after HADOOP-6722 on Mac OS X Leopard 10.5.8:
> {noformat}
> ------------- Standard Error -----------------
> local address: /127.0.0.1
> local port: 64991
> ------------- ---------------- ---------------
> Testcase: testAvoidLoopbackTcpSockets took 0.421 sec
>         Caused an ERROR
> Invalid argument
> java.net.SocketException: Invalid argument
>         at sun.nio.ch.Net.connect(Native Method)
>         at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:507)
>         at org.apache.hadoop.net.SocketIOWithTimeout.connect(SocketIOWithTimeout.java:192)
>         at org.apache.hadoop.net.NetUtils.connect(NetUtils.java:369)
>         at org.apache.hadoop.net.TestNetUtils.testAvoidLoopbackTcpSockets(TestNetUtils.java:46)
> {noformat}
> Although TCP spec seems to allow it, at least one implementation disallows this corner
case. 

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