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https://issues.apache.org/jira/browse/HADOOP-10888?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14074008#comment-14074008
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Yongjun Zhang commented on HADOOP-10888:
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Hi Arpit,
I posted the following message to the discussion thread you started. I wonder
if you have insight here, thanks a lot.
{quote}
I did a test run which dumped /etc/hosts and reported hostname info:
YJD /etc/hosts contents:
127.0.0.1 localhost
asf900.ygridcore.net asf900
# The following lines are desirable for IPv6 capable hosts
::1 localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
YJD hostname contents:
asf900
(see HADOOP-10888
https://builds.apache.org/job/PreCommit-HADOOP-Build/4362//testReport/,
the host is Slave H0 (Build slave for Hadoop project builds :
asf900.gq1.ygridcore.net)
)
I see hostname "asf900" in "127.0.0.1" row for IPv4 but I don't see it in the
"::1" row for IPv6 in /etc/hosts file. I wonder if adding "asf900" as an entry
to "::1" row would make it work. The method stuck at is
java.net.Inet4AddressImpl.getLocalHostName (IPv4) though.
{quote}
> org.apache.hadoop.ipc.TestIPC.testRetryProxy failed often with timeout
> ----------------------------------------------------------------------
>
> Key: HADOOP-10888
> URL: https://issues.apache.org/jira/browse/HADOOP-10888
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.5.0
> Reporter: Yongjun Zhang
> Assignee: Yongjun Zhang
> Attachments: HADOOP-10888.001.patch, HADOOP-10888.002.patch,
> HADOOP-10888.003.dbg.patch
>
>
> As an example,
> https://builds.apache.org/job/PreCommit-HADOOP-Build/4333//testReport/org.apache.hadoop.ipc/TestIPC/testRetryProxy/
> {code}
> Error Message
> test timed out after 60000 milliseconds
> Stacktrace
> java.lang.Exception: test timed out after 60000 milliseconds
> at java.net.Inet4AddressImpl.getLocalHostName(Native Method)
> at java.net.InetAddress.getLocalHost(InetAddress.java:1374)
> at org.apache.hadoop.net.NetUtils.getConnectAddress(NetUtils.java:372)
> at org.apache.hadoop.net.NetUtils.getConnectAddress(NetUtils.java:359)
> at
> org.apache.hadoop.ipc.TestIPC$TestInvocationHandler.invoke(TestIPC.java:212)
> at org.apache.hadoop.ipc.$Proxy11.dummyRun(Unknown Source)
> at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186)
> at
> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:101)
> at org.apache.hadoop.ipc.$Proxy11.dummyRun(Unknown Source)
> at org.apache.hadoop.ipc.TestIPC.testRetryProxy(TestIPC.java:1060)
> {code}
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