NPE in Configuration.writeXml
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Key: HADOOP-7118
URL: https://issues.apache.org/jira/browse/HADOOP-7118
Project: Hadoop Common
Issue Type: Bug
Affects Versions: 0.22.0
Reporter: Todd Lipcon
Assignee: Todd Lipcon
Priority: Blocker
Fix For: 0.22.0
In HADOOP-7082 I stupidly introduced a regression whereby
Configuration.writeXml will throw an NPE if it is called before any .get() call
is made, since the properties member is not initialized. This is causing a
failure in TestCapacitySchedulerWithJobTracker on my box, but doesn't appear to
trigger any failures in the non-contrib tests since .get() is usually called
first.
This JIRA is to fix the bug and add a unit test for writeXml in common
(apparently it never had a unit test)
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