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https://issues.apache.org/jira/browse/HDFS-15078?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17461177#comment-17461177
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Hadoop QA commented on HDFS-15078:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Logfile || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
0s{color} | {color:blue}{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red} 0m 11s{color}
| {color:red}{color} | {color:red} HDFS-15078 does not apply to trunk. Rebase
required? Wrong Branch? See
https://cwiki.apache.org/confluence/display/HADOOP/How+To+Contribute for help.
{color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-15078 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12989407/HDFS-15078.002.patch |
| Console output |
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/752/console |
| versions | git=2.17.1 |
| Powered by | Apache Yetus 0.13.0-SNAPSHOT https://yetus.apache.org |
This message was automatically generated.
> RBF: Should check connection channel before sending RPC to namenode
> -------------------------------------------------------------------
>
> Key: HDFS-15078
> URL: https://issues.apache.org/jira/browse/HDFS-15078
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: rbf
> Affects Versions: 3.3.0
> Reporter: Hui Fei
> Assignee: Hui Fei
> Priority: Major
> Attachments: HDFS-15078.001.patch, HDFS-15078.002.patch
>
>
> dfsrouter logs show that
> {quote}
> 2019-12-20 04:11:26,724 WARN org.apache.hadoop.ipc.Server: IPC Server handler
> 6400 on 8888, call org.apache.hadoop.hdfs.protocol.ClientProtocol.create from
> 10.83.164.11:56908 Call#2 Retry#0: output error
> 2019-12-20 04:11:26,724 INFO org.apache.hadoop.ipc.Server: IPC Server handler
> 125 on 8888 caught an exception
> java.nio.channels.ClosedChannelException
> at
> sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:270)
> at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:461)
> at org.apache.hadoop.ipc.Server.channelWrite(Server.java:2731)
> at org.apache.hadoop.ipc.Server.access$2100(Server.java:134)
> at
> org.apache.hadoop.ipc.Server$Responder.processResponse(Server.java:1089)
> at org.apache.hadoop.ipc.Server$Responder.doRespond(Server.java:1161)
> at
> org.apache.hadoop.ipc.Server$Connection.sendResponse(Server.java:2109)
> at
> org.apache.hadoop.ipc.Server$Connection.access$400(Server.java:1229)
> at org.apache.hadoop.ipc.Server$Call.sendResponse(Server.java:631)
> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2245)
> {quote}
> Maybe checking connection between client and router is better before
> sendingrpc to namenode
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