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From Tim Robertson <timrobertson...@gmail.com>
Subject Re: No FileSystem for scheme: file
Date Wed, 05 Nov 2014 16:11:01 GMT
Thanks St.Ack, Sean

I'll change the submission process first thing tomorrow - hadoop-common is
on the CP (in the fat jar) and it did work before I started ripping out the
MR1 stuff.

[Things are good St.Ack - thanks.  Hope you're also well]

On Wed, Nov 5, 2014 at 4:59 PM, Sean Busbey <busbey@cloudera.com> wrote:

> The error sounds like you do not have your HDFS configs in the classpath.
>
> Generally, you should be submitting the job via the 'hadoop jar' command
> (and your main class should be implementing Tool). This will take care of
> setting the correct classpath for both the Hadoop related jars and
> configuration files. See the Ref Guide section on running MapReduce
> jobs[1].
>
> With this approach, you can list the hadoop / hbase related artifacts as
> "provided" in your pom. Hadoop will add what it needs, and
> TableMapReduceUtil will add the jars needed for HBase.
>
> In addition, you should use the -libjars argument to that command if you
> need things other than your application jar (and using this for
> dependencies is preferable to building a jar-with-dependencies).
>
> Overall, this sounds like a CM/CDH configuration deployment issue and not
> something specific to HBase. In the future please consider sending these
> kinds of vendor-specific questions to the community support mechanisms of
> said vendor. In Cloudera's case, that's http://community.cloudera.com/
>
> -Sean
>
> [1]: http://hbase.apache.org/book.html#mapreduce
>
> On Wed, Nov 5, 2014 at 9:45 AM, Tim Robertson <timrobertson100@gmail.com>
> wrote:
>
> > Hi Sean,
> >
> > We are using CM, and Hue, Hive etc all work, but for some reason I can't
> > get the CP correct for this job which I submit using:
> >
> > java -cp
> >
> >
> :$HADOOP_HOME/hdfs/hadoop-hdfs-2.5.0-cdh5.2.0.jar:./:target/classes:target/cube-0.17-SNAPSHOT-jar-with-dependencies.jar
> > org.gbif.metrics.cube.occurrence.backfill.Backfill
> >
> > Thanks,
> > Tim
> >
> >
> > On Wed, Nov 5, 2014 at 4:30 PM, Sean Busbey <busbey@cloudera.com> wrote:
> >
> > > How are you submitting the job?
> > >
> > > How are your cluster configuration files deployed (i.e. are you using
> > CM)?
> > >
> > > On Wed, Nov 5, 2014 at 8:50 AM, Tim Robertson <
> timrobertson100@gmail.com
> > >
> > > wrote:
> > >
> > > > Hi all,
> > > >
> > > > I'm seeing the following
> > > >   java.io.IOException: No FileSystem for scheme: file
> > > > at
> > >
> org.apache.hadoop.fs.FileSystem.getFileSystemClass(FileSystem.java:2584)
> > > > at
> > org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2591)
> > > > at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:91)
> > > >         ...
> > > > at
> > > >
> > > >
> > >
> >
> org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil.addDependencyJars(TableMapReduceUtil.java:778)
> > > > at
> > > >
> > > >
> > >
> >
> org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil.addHBaseDependencyJars(TableMapReduceUtil.java:707)
> > > > at
> > > >
> > > >
> > >
> >
> org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil.addDependencyJars(TableMapReduceUtil.java:752)
> > > > at
> > > >
> > > >
> > >
> >
> org.apache.hadoop.hbase.mapreduce.TableMapReduceUtil.initTableMapperJob(TableMapReduceUtil.java:192)
> > > >         ....
> > > >
> > > > I have the hadoop hdfs jar on the CP, and I am submitting using all
> > > > mapreduce2 jar (e.g. Yarn).  I build a jar with dependencies (and
> also
> > > > provide the hdfs jar on the CP directly) and the dependency tree is:
> > > >   https://gist.github.com/timrobertson100/027f97d038df53cc836f
> > > >
> > > > It has all worked before, but I'm doing a migration to Yarn and 0.98
> > (CDH
> > > > 5.2.0) from 0.94 and MR1 so obviously have messed up the CP somehow.
> > > >
> > > > Has anyone come across this please?
> > > >
> > > > Thanks,
> > > > Tim
> > > >
> > >
> > >
> > >
> > > --
> > > Sean
> > >
> >
>
>
>
> --
> Sean
>

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