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https://issues.apache.org/jira/browse/HADOOP-3256?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy updated HADOOP-3256:
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Status: Patch Available (was: Open)
> JobHistory file on HDFS should not use the 'job name'
> -----------------------------------------------------
>
> Key: HADOOP-3256
> URL: https://issues.apache.org/jira/browse/HADOOP-3256
> Project: Hadoop Core
> Issue Type: Bug
> Components: mapred
> Affects Versions: 0.17.0
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
> Priority: Blocker
> Fix For: 0.17.0
>
> Attachments: HADOOP-3256_0_20080414.patch
>
>
> HADOOP-2178 introduced the feature of saving jobhistory logs on HDFS.
> Unfortunately the following code:
> {noformat}
> // setup the history log file for this job
> String logFileName = jobUniqueString +
> "_" + user+ "_" + jobName;
> if (logFileName.length() > MAX_FILENAME_SIZE) {
> logFileName = logFileName.substring(0, MAX_FILENAME_SIZE-1);
> }
> {noformat}
> is vulnerable to user-provided job names.
> Specifically I ran into 'URISyntaxException' with jobs whose names include a
> ":".
> The easy fix is to ensure that we do not use the human-friendly job names and
> only the jobid.
> The long term fix is to ensure that Path handles filenames with _any_
> characters.
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