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https://issues.apache.org/jira/browse/HBASE-5327?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13205049#comment-13205049
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Jonathan Hsieh commented on HBASE-5327:
---------------------------------------
I'm not a fan of using the IAE for control flow, but the lgtm.
> Print a message when an invalid hbase.rootdir is passed
> -------------------------------------------------------
>
> Key: HBASE-5327
> URL: https://issues.apache.org/jira/browse/HBASE-5327
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.5
> Reporter: Jean-Daniel Cryans
> Assignee: Jimmy Xiang
> Fix For: 0.94.0, 0.90.7, 0.92.1
>
> Attachments: hbase-5327.txt, hbase-5327_v2.txt
>
>
> As seen on the mailing list:
> http://comments.gmane.org/gmane.comp.java.hadoop.hbase.user/24124
> If hbase.rootdir doesn't specify a folder on hdfs we crash while opening a
> path to .oldlogs:
> {noformat}
> 2012-02-02 23:07:26,292 FATAL org.apache.hadoop.hbase.master.HMaster:
> Unhandled exception. Starting shutdown.
> java.lang.IllegalArgumentException: java.net.URISyntaxException: Relative
> path in absolute URI: hdfs://sv4r11s38:9100.oldlogs
> at org.apache.hadoop.fs.Path.initialize(Path.java:148)
> at org.apache.hadoop.fs.Path.<init>(Path.java:71)
> at org.apache.hadoop.fs.Path.<init>(Path.java:50)
> at
> org.apache.hadoop.hbase.master.MasterFileSystem.<init>(MasterFileSystem.java:112)
> at
> org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:448)
> at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:326)
> at java.lang.Thread.run(Thread.java:662)
> Caused by: java.net.URISyntaxException: Relative path in absolute URI:
> hdfs://sv4r11s38:9100.oldlogs
> at java.net.URI.checkPath(URI.java:1787)
> at java.net.URI.<init>(URI.java:735)
> at org.apache.hadoop.fs.Path.initialize(Path.java:145)
> ... 6 more
> {noformat}
> It could also crash anywhere else, this just happens to be the first place we
> use hbase.rootdir. We need to verify that it's an actual folder.
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