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From John Vines <vi...@apache.org>
Subject Re: first time setup: Mkdirs failed to create hdfs directory /accumulo/recovery/
Date Tue, 06 Jan 2015 00:07:41 GMT
What version of hadoop?

On Mon, Jan 5, 2015 at 6:50 PM, Mike Atlas <mike@weft.io> wrote:

> Hello,
>
> I'm running Accumulo 1.5.2, trying to test out the GeoMesa
> <http://www.geomesa.org/2014/05/28/geomesa-quickstart/> family of
> spatio-temporal iterators using their quickstart demonstration tool. I
> think I'm not making progress due to my Accumulo setup, though, so can
> someone validate that all looks good from here?
>
> start-all.sh output:
>
> hduser@accumulo:~$ $ACCUMULO_HOME/bin/start-all.sh
> Starting monitor on localhost
> Starting tablet servers .... done
> Starting tablet server on localhost
> 2015-01-05 21:37:18,523 [server.Accumulo] INFO : Attempting to talk to zookeeper
> 2015-01-05 21:37:18,772 [server.Accumulo] INFO : Zookeeper connected and initialized,
attemping to talk to HDFS
> 2015-01-05 21:37:19,028 [server.Accumulo] INFO : Connected to HDFS
> Starting master on localhost
> Starting garbage collector on localhost
> Starting tracer on localhost
>
> hduser@accumulo:~$
>
>
> I do believe my HDFS is set up correctly:
>
> hduser@accumulo:/home/ubuntu/geomesa-quickstart$ hadoop fs -ls /accumulo
> Found 5 items
> drwxrwxrwx   - hduser supergroup          0 2014-12-10 01:04 /accumulo/instance_id
> drwxrwxrwx   - hduser supergroup          0 2015-01-05 21:22 /accumulo/recovery
> drwxrwxrwx   - hduser supergroup          0 2015-01-05 20:14 /accumulo/tables
> drwxrwxrwx   - hduser supergroup          0 2014-12-10 01:04 /accumulo/version
> drwxrwxrwx   - hduser supergroup          0 2014-12-10 01:05 /accumulo/wal
>
>
> However, when I check the Accumulo monitor logs, I see these errors
> post-startup:
>
> java.io.IOException: Mkdirs failed to create directory /accumulo/recovery/15664488-bd10-4d8d-9584-f88d8595a07c/part-r-00000
> 	java.io.IOException: Mkdirs failed to create directory /accumulo/recovery/15664488-bd10-4d8d-9584-f88d8595a07c/part-r-00000
> 		at org.apache.hadoop.io.MapFile$Writer.<init>(MapFile.java:264)
> 		at org.apache.hadoop.io.MapFile$Writer.<init>(MapFile.java:103)
> 		at org.apache.accumulo.server.tabletserver.log.LogSorter$LogProcessor.writeBuffer(LogSorter.java:196)
> 		at org.apache.accumulo.server.tabletserver.log.LogSorter$LogProcessor.sort(LogSorter.java:166)
> 		at org.apache.accumulo.server.tabletserver.log.LogSorter$LogProcessor.process(LogSorter.java:89)
> 		at org.apache.accumulo.server.zookeeper.DistributedWorkQueue$1.run(DistributedWorkQueue.java:101)
> 		at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 		at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 		at org.apache.accumulo.trace.instrument.TraceRunnable.run(TraceRunnable.java:47)
> 		at org.apache.accumulo.core.util.LoggingRunnable.run(LoggingRunnable.java:34)
> 		at java.lang.Thread.run(Thread.java:745)
>
>
> I don't really understand - I started accumulo as the hduser, which is
> the same user that has access to the HDFS directory /accumulo/recovery,
> and it looks like the directory was created actually, except for the last
> directory (part-r-0000):
>
> hduser@accumulo:~$ hadoop fs -ls /accumulo0/recovery/
> Found 1 items
> drwxr-xr-x   - hduser supergroup          0 2015-01-05 22:11 /accumulo/recovery/87fb7aac-0274-4aea-8014-9d53dbbdfbbc
>
>
> I'm not out of physical disk space:
>
> hduser@accumulo:~$ df -h
> Filesystem      Size  Used Avail Use% Mounted on
> /dev/xvda1     1008G  8.5G  959G   1% /
>
>
> What could be going on here? Any ideas on something simple I could have
> missed?
>
> Thanks,
> Mike
>

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