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Posted to common-dev@hadoop.apache.org by "Aaron Kimball (JIRA)" <ji...@apache.org> on 2008/10/30 08:30:44 UTC
[jira] Reopened: (HADOOP-4141) ScriptBasedMapping has infinite loop
with invalid jobconf parameter
[ https://issues.apache.org/jira/browse/HADOOP-4141?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aaron Kimball reopened HADOOP-4141:
-----------------------------------
> ScriptBasedMapping has infinite loop with invalid jobconf parameter
> -------------------------------------------------------------------
>
> Key: HADOOP-4141
> URL: https://issues.apache.org/jira/browse/HADOOP-4141
> Project: Hadoop Core
> Issue Type: Bug
> Affects Versions: 0.18.1
> Reporter: Aaron Kimball
> Priority: Minor
> Attachments: HADOOP-4141.patch.3, scriptMap.patch, scriptMap.patch.2, TestScriptBasedMapping.java
>
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> A few bugs in ScriptBasedTopology:
> 1) topology.script.number.args is not validated; if this is <= 0, the runResolveCommand() method will run its outer loop an infinite number of times.
> 2) CachedDNSToSwitchMapping assumes that if a List is returned, it has the same cardinality as the number of names. ScriptBasedMapping should return 'null' instead of a mis-sized list on error
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