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From "Doris Gu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11751) DFSZKFailoverController daemon exits with wrong status code
Date Thu, 04 May 2017 08:30:04 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11751?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15996343#comment-15996343
] 

Doris Gu commented on HDFS-11751:
---------------------------------

Modify the retCode of zkfc, please check, thanks in advance!

> DFSZKFailoverController daemon exits with wrong status code
> -----------------------------------------------------------
>
>                 Key: HDFS-11751
>                 URL: https://issues.apache.org/jira/browse/HDFS-11751
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: auto-failover
>    Affects Versions: 3.0.0-alpha2
>            Reporter: Doris Gu
>         Attachments: HDFS-11751.001.patch
>
>
> 1.use *hdfs zkfc* to start a zkfc daemon;
> 2.zkfc failed to start for some reason, but we got the successful code:
> {quote}2017-05-04 16:06:24,720 FATAL org.apache.hadoop.hdfs.tools.DFSZKFailoverController:
Got a fatal error, exiting now
> java.net.BindException: Problem binding to [localhost:8019] java.net.BindException: address
already in use; For more details see:  http://wiki.apache.org/hadoop/BindException
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
>         at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
>         at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
>         at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
>         at org.apache.hadoop.net.NetUtils.wrapWithMessage(NetUtils.java:792)
>         at org.apache.hadoop.net.NetUtils.wrapException(NetUtils.java:721)
>         at org.apache.hadoop.ipc.Server.bind(Server.java:431)
>         at org.apache.hadoop.ipc.Server$Listener.<init>(Server.java:580)
>         at org.apache.hadoop.ipc.Server.<init>(Server.java:2221)
>         at org.apache.hadoop.ipc.RPC$Server.<init>(RPC.java:951)
>         at org.apache.hadoop.ipc.ProtobufRpcEngine$Server.<init>(ProtobufRpcEngine.java:534)
>         at org.apache.hadoop.ipc.ProtobufRpcEngine.getServer(ProtobufRpcEngine.java:509)
>         at org.apache.hadoop.ipc.RPC$Builder.build(RPC.java:796)
>         at org.apache.hadoop.ha.ZKFCRpcServer.<init>(ZKFCRpcServer.java:58)
>         at org.apache.hadoop.ha.ZKFailoverController.initRPC(ZKFailoverController.java:341)
>         at org.apache.hadoop.hdfs.tools.DFSZKFailoverController.initRPC(DFSZKFailoverController.java:152)
>         at org.apache.hadoop.ha.ZKFailoverController.doRun(ZKFailoverController.java:249)
>         at org.apache.hadoop.ha.ZKFailoverController.access$000(ZKFailoverController.java:72)
>         at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:187)
>         at org.apache.hadoop.ha.ZKFailoverController$1.run(ZKFailoverController.java:183)
>         at org.apache.hadoop.security.SecurityUtil.doAsLoginUserOrFatal(SecurityUtil.java:415)
>         at org.apache.hadoop.ha.ZKFailoverController.run(ZKFailoverController.java:183)
>         at org.apache.hadoop.hdfs.tools.DFSZKFailoverController.main(DFSZKFailoverController.java:181)
> Caused by: java.net.BindException: address already in use
>         at sun.nio.ch.Net.bind0(Native Method)
>         at sun.nio.ch.Net.bind(Net.java:444)
>         at sun.nio.ch.Net.bind(Net.java:436)
>         at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:214)
>         at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
>         at org.apache.hadoop.ipc.Server.bind(Server.java:414)
>         ... 16 more
> [hdfs@localhost ~]$ echo $?
> 0{quote}



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