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From Ryan Rawson <ryano...@gmail.com>
Subject Re: HBase won't run on OSX 10.8
Date Wed, 01 Aug 2012 01:41:55 GMT
I shall try that.  I submitted a patch too that quashes the extra %
where it is causing problems.



On Tue, Jul 31, 2012 at 6:28 PM, Andrew Purtell <apurtell@apache.org> wrote:
> -Djava.net.preferIPv4Stack=true ?
>
> Does that still work?
>
> On Tue, Jul 31, 2012 at 6:24 PM, Ryan Rawson <ryanobjc@gmail.com> wrote:
>> Hi all,
>>
>> Something has changed in how OSX and java handles IPv6, and now you
>> will get a log like:
>>
>> 2012-07-31 18:21:39,824 INFO org.apache.hadoop.hbase.master.HMaster:
>> Server active/primary master; 0:0:0:0:0:0:0:0%0,
>> 59736,1343784093521, sessionid=0x138dfc604160000, cluster-up flag was=false
>> 2012-07-31 18:21:39,832 INFO
>> org.apache.hadoop.hbase.regionserver.MemStoreFlusher:
>> globalMemStoreLimit=397.6m, global
>> MemStoreLimitLowMark=347.9m, maxHeap=994.1m
>> 2012-07-31 18:21:39,847 FATAL org.apache.hadoop.hbase.master.HMaster:
>> Master server abort: loaded coprocessors are: [
>> ]
>> 2012-07-31 18:21:39,847 INFO
>> org.apache.hadoop.hbase.regionserver.HRegionServer: Runs every 16mins,
>> 40sec
>> 2012-07-31 18:21:39,848 FATAL org.apache.hadoop.hbase.master.HMaster:
>> Unhandled exception. Starting shutdown.
>> java.util.UnknownFormatConversionException: Conversion = '0'
>>         at java.util.Formatter.checkText(Formatter.java:2503)
>>         at java.util.Formatter.parse(Formatter.java:2467)
>>         at java.util.Formatter.format(Formatter.java:2414)
>>         at java.util.Formatter.format(Formatter.java:2367)
>>         at java.lang.String.format(String.java:2769)
>>         at com.google.common.util.concurrent.ThreadFactoryBuilder.setNameFormat(ThreadFactoryBuilder.java:68)
>>         at org.apache.hadoop.hbase.executor.ExecutorService$Executor.<init>(ExecutorService.java:299)
>>         at org.apache.hadoop.hbase.executor.ExecutorService.startExecutorService(ExecutorService.java:185)
>>         at org.apache.hadoop.hbase.executor.ExecutorService.startExecutorService(ExecutorService.java:227)
>>         at org.apache.hadoop.hbase.master.HMaster.startServiceThreads(HMaster.java:821)
>>         at org.apache.hadoop.hbase.master.HMaster.finishInitialization(HMaster.java:507)
>>         at org.apache.hadoop.hbase.master.HMaster.run(HMaster.java:344)
>>         at org.apache.hadoop.hbase.master.HMasterCommandLine$LocalHMaster.run(HMasterCommandLine.java:220)
>>         at java.lang.Thread.run(Thread.java:680)
>> 2012-07-31 18:21:39,908 INFO org.apache.hadoop.hbase.master.HMaster: Aborting
>>
>> As you can see, the hostname is now "0:0:0:0:0:0:0:0%0".  The code
>> uses this as the prefix to a string, then that string is passed into a
>> formatter.  Hence it is confused by %0, and aborts in a weird place
>> causing the entire thing to crash n burn.
>>
>> As I see it there are several solutions:
>> - s/%/_/ for the hostname at some point
>> - attempt not to use ipv6
>>
>> the latter seems hacky though, surely someone would want to support ipv6?
>
>
>
> --
> Best regards,
>
>    - Andy
>
> Problems worthy of attack prove their worth by hitting back. - Piet
> Hein (via Tom White)

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