Chris Nauroth created HDFS-5279:
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Summary: Guard against NullPointerException in NameNode JSP pages
before initialization of FSNamesystem.
Key: HDFS-5279
URL: https://issues.apache.org/jira/browse/HDFS-5279
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Affects Versions: 2.1.1-beta, 3.0.0
Reporter: Chris Nauroth
Assignee: Chris Nauroth
HDFS-4372 added tracking of NameNode startup progress. As part of that change,
the NameNode HTTP server now starts before initialization of the
{{FSNamesystem}}. There are a few code paths remaining in the JSP pages that
are at risk of causing {{NullPointerException}} if accessed when the
{{FSNamesystem}} has not been fully initialized.
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