FSEditLog.open should stop going on if cannot open any directory
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Key: HADOOP-5729
URL: https://issues.apache.org/jira/browse/HADOOP-5729
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.19.1
Environment: CentOS 5.2, jdk 1.6, hadoop 0.19.1
Reporter: Wang Xu
Assignee: Wang Xu
Fix For: 0.19.2
FSEditLog.open will be invoked when SecondaryNameNode doCheckPoint,
If no dir is opened successfully, it only prints some WARN messages in log,
and goes on running.
However, it causes the editStreams becomes empty and cannot by synced
in. And if editStreams were decreased to 0 when exceptions occured during
logsync, NameNode would print FATAL log message and halt itself. Hence,
we think it should also stopped itself at that time.
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