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https://issues.apache.org/jira/browse/MAPREDUCE-4095?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13244373#comment-13244373
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Eli Collins commented on MAPREDUCE-4095:
----------------------------------------
This test explicitly creates a topology with nodes on two different levels:
{code}
Node r2n3 = new NodeBase("/default/rack2/node3");
nt.add(r2n3);
Node r2n4 = new NodeBase("/default/rack2/s1/node4");
{code}
which is bogus. Calling toString on this topology would fail even before
HADOOP-8159.
We double checked the original topology spec in HADOOP-692
(https://issues.apache.org/jira/secure/attachment/12345251/Rack_aware_HDFS_proposal.pdf)
which does not support imbalanced topology. Let's fixup the test to use a
valid topolgy.
> HADOOP-8159 causes TestJobInProgress#testLocality to fail
> ---------------------------------------------------------
>
> Key: MAPREDUCE-4095
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4095
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Affects Versions: 1.1.0, 2.0.0
> Reporter: Eli Collins
> Assignee: Colin Patrick McCabe
>
> The following in TestJobInProgress#testLocality:
> {code}
> Node r2n4 = new NodeBase("/default/rack2/s1/node4");
> nt.add(r2n4);
> {code}
> violates the check introduced by HADOOP-8159:
> {noformat}
> Testcase: testLocality took 0.005 sec
> Caused an ERROR
> Invalid network topology. You cannot have a rack and a non-rack node at the
> same level of the network topology.
> org.apache.hadoop.net.NetworkTopology$InvalidTopologyException: Invalid
> network topology. You cannot have a rack and a non-rack node at the same
> level of the network topology.
> at org.apache.hadoop.net.NetworkTopology.add(NetworkTopology.java:349)
> at
> org.apache.hadoop.mapred.TestJobInProgress.testLocality(TestJobInProgress.java:232)
> {noformat}
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