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From "Sean Busbey (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (HBASE-18212) In Standalone mode with local filesystem HBase logs Warning message:Failed to invoke 'unbuffer' method in class class org.apache.hadoop.fs.FSDataInputStream
Date Mon, 19 Jun 2017 21:57:00 GMT

     [ https://issues.apache.org/jira/browse/HBASE-18212?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sean Busbey reassigned HBASE-18212:
-----------------------------------

    Assignee: Ashish Singhi

> 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
>            Assignee: Ashish Singhi
>         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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