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https://issues.apache.org/jira/browse/MAPREDUCE-5739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Haibo Chen resolved MAPREDUCE-5739.
-----------------------------------
Resolution: Fixed
> DirectoryCollection#createNonExistentDirs() may use an invalid iterator
> -----------------------------------------------------------------------
>
> Key: MAPREDUCE-5739
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5739
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Ted Yu
>
> Here is related code:
> {code}
> for (final String dir : localDirs) {
> try {
> createDir(localFs, new Path(dir), perm);
> } catch (IOException e) {
> LOG.warn("Unable to create directory " + dir + " error " +
> e.getMessage() + ", removing from the list of valid
> directories.");
> localDirs.remove(dir);
> {code}
> Call to localDirs.remove() modifies Iterable "localDirs" which invalidates
> the iterator.
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