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https://issues.apache.org/jira/browse/HBASE-19768?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16433345#comment-16433345
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Duo Zhang commented on HBASE-19768:
-----------------------------------
What do you mean by 'reuse' it?
> RegionServer startup failing when DN is dead
> --------------------------------------------
>
> Key: HBASE-19768
> URL: https://issues.apache.org/jira/browse/HBASE-19768
> Project: HBase
> Issue Type: Bug
> Reporter: Jean-Marc Spaggiari
> Assignee: Duo Zhang
> Priority: Critical
> Fix For: 2.0.0-beta-2, 2.0.0
>
> Attachments: HBASE-19768.patch
>
>
> When starting HBase, if the datanode hosted on the same host is dead but not
> yet detected by the namenode, HBase will fail to start
> {code}
> 515691223393/node8.distparser.com%2C16020%2C1515691223393.1515691238778
> failed, retry = 7
> org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException:
> syscall:getsockopt(..) failed: Connexion refusée: /192.168.23.2:50010
> at
> org.apache.hbase.thirdparty.io.netty.channel.unix.Socket.finishConnect(..)(Unknown
> Source)
> Caused by:
> org.apache.hbase.thirdparty.io.netty.channel.unix.Errors$NativeConnectException:
> syscall:getsockopt(..) failed: Connexion refusée
> ... 1 more
> {code}
> and will also get stuck to stop:
> {code}
> hbase@node2:~/hbase-2.0.0-beta-1$ bin/stop-hbase.sh
> stopping
> hbase....................................................................................................................................................................................................^C
> hbase@node2:~/hbase-2.0.0-beta-1$ bin/stop-hbase.sh
> stopping
> hbase..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
> SLF4J: Class path contains multiple SLF4J bindings.
> SLF4J: Found binding in
> [jar:file:/home/hbase/hbase-2.0.0-beta-1/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: Found binding in
> [jar:file:/home/hbase/hbase-2.0.0-beta-1/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
> explanation.
> SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory]
> {code}
> The most interesting is that it seems to fail the same way even if the DN is
> declared dead on HDFS side:
> {code}
> 515692041367/node8.distparser.com%2C16020%2C1515692041367.1515692057716
> failed, retry = 4
> org.apache.hbase.thirdparty.io.netty.channel.AbstractChannel$AnnotatedConnectException:
> syscall:getsockopt(..) failed: Connexion refusée: /192.168.23.2:50010
> at
> org.apache.hbase.thirdparty.io.netty.channel.unix.Socket.finishConnect(..)(Unknown
> Source)
> Caused by:
> org.apache.hbase.thirdparty.io.netty.channel.unix.Errors$NativeConnectException:
> syscall:getsockopt(..) failed: Connexion refusée
> ... 1 more
> {code}
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