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From tomas tim <hancong1...@gmail.com>
Subject Re: org.apache.hadoop.net.DNS exception on ipv6
Date Fri, 20 Mar 2020 11:16:45 GMT
thanks for helping.

Wei-Chiu Chuang <weichiu@apache.org> 于2020年3月17日周二 上午1:28写道:

> There is no ipv6 support in Hadoop.
>
> But there was a feature branch in Hadoop to implement ipv6. It didn't merge
> into trunk though.
> https://issues.apache.org/jira/browse/HADOOP-11890
>
> On Mon, Mar 16, 2020 at 8:55 AM Stack <stack@duboce.net> wrote:
>
> > On Fri, Mar 13, 2020 at 7:41 PM tomas tim <hancong1015@gmail.com> wrote:
> >
> > > hi,all
> > > I start hbase in a vmware environment using following  config and fail.
> > > the reason is org.apache.hadoop.net.DNS can not adapt IPv6 address, is
> > this
> > > a bug? what can I do except turn off ipv6 config?
> > >
> > > config:
> > > <property>
> > >           <name>hbase.master.dns.interface</name>
> > >           <value>ens33</value>
> > > </property>
> > >
> > > Hadoop doesn't support ipv6. HBase doesn't either.
> > Thanks,
> > S
> >
> >
> >
> >
> > > exception:
> > > java.lang.RuntimeException: Failed construction of Master: class
> > > org.apache.hadoop.hbase.master.HMaster.
> > > at
> > >
> org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2996)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.master.HMasterCommandLine.startMaster(HMasterCommandLine.java:236)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.master.HMasterCommandLine.run(HMasterCommandLine.java:140)
> > > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.util.ServerCommandLine.doMain(ServerCommandLine.java:149)
> > > at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:3007)
> > > Caused by: java.lang.RuntimeException: Failed to invoke
> > DNS.getDefaultHost
> > > via reflection
> > > at org.apache.hadoop.hbase.util.DNS.getDefaultHost(DNS.java:67)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.regionserver.RSRpcServices.getHostname(RSRpcServices.java:1329)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.regionserver.RSRpcServices.<init>(RSRpcServices.java:1228)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.regionserver.RSRpcServices.<init>(RSRpcServices.java:1206)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.master.MasterRpcServices.<init>(MasterRpcServices.java:384)
> > > at
> > >
> >
> org.apache.hadoop.hbase.master.HMaster.createRpcServices(HMaster.java:740)
> > > at
> > >
> > >
> >
> org.apache.hadoop.hbase.regionserver.HRegionServer.<init>(HRegionServer.java:593)
> > > at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:513)
> > > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> Method)
> > > at
> > >
> > >
> >
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> > > at
> > >
> > >
> >
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> > > at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> > > at
> > >
> org.apache.hadoop.hbase.master.HMaster.constructMaster(HMaster.java:2989)
> > > ... 5 more
> > > Caused by: java.lang.reflect.InvocationTargetException
> > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> > > at
> > >
> > >
> >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> > > at
> > >
> > >
> >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> > > at java.lang.reflect.Method.invoke(Method.java:498)
> > > at org.apache.hadoop.hbase.util.DNS.getDefaultHost(DNS.java:64)
> > > ... 17 more
> > > Caused by: java.lang.ArrayIndexOutOfBoundsException: 3
> > > at org.apache.hadoop.net.DNS.reverseDns(DNS.java:82)
> > > at org.apache.hadoop.net.DNS.getHosts(DNS.java:253)
> > > at org.apache.hadoop.net.DNS.getDefaultHost(DNS.java:366)
> > > ... 22 more
> > >
> > >
> > > Thanks,
> > >
> >
>

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