symlink comes up as directory after namenode restart
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Key: HDFS-1845
URL: https://issues.apache.org/jira/browse/HDFS-1845
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 0.22.0
Reporter: John George
Assignee: John George
When a symlink is first created, it get added to EditLogs. When namenode is
restarted, it reads from this editlog and represents a symlink correctly and
saves this information to its image. If the namenode is restarted again, it
reads its from this FSImage, but thinks that a symlink is a directory. This is
because it uses "Block[] blocks" to determine if an INode is a directory, a
file, or symlink. Since both a directory and a symlink has blocks as null, it
thinks that a symlink is a directory.
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