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HBase, mail # user - HBase won't run on OSX 10.8


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Re: HBase won't run on OSX 10.8
Andrew Purtell 2012-08-01, 01:28
-Djava.net.preferIPv4Stack=true ?

Does that still work?

On Tue, Jul 31, 2012 at 6:24 PM, Ryan Rawson <[EMAIL PROTECTED]> 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)