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https://issues.apache.org/jira/browse/HBASE-18212?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16051424#comment-16051424
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Umesh Agashe commented on HBASE-18212:
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+1 lgtm
> In Standalone mode with local filesystem HBase logs Warning message:Failed to
> invoke 'unbuffer' method in class class org.apache.hadoop.fs.FSDataInputStream
> ------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-18212
> URL: https://issues.apache.org/jira/browse/HBASE-18212
> Project: HBase
> Issue Type: Bug
> Affects Versions: 2.0.0, 1.4.0
> Reporter: Umesh Agashe
> Attachments: HBASE-18212.patch
>
>
> New users may get nervous after seeing following warning level log messages
> (considering new users will most likely run HBase in Standalone mode first):
> {code}
> WARN [MemStoreFlusher.1] io.FSDataInputStreamWrapper: Failed to invoke
> 'unbuffer' method in class class org.apache.hadoop.fs.FSDataInputStream . So
> there may be a TCP socket connection left open in CLOSE_WAIT state.
> {code}
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