Hi Dmitriy,
No, I do think that there was a change in 0.20.0
See the error I get:
Exception in thread "main" java.io.IOException: Error opening job jar:
-libjars
This is what I am trying to run:
hadoop jar -libjars $zipfjar $datagenjar
org.apache.pig.test.utils.datagen.DataGenerator -conf $conf_file -rows
10000000 -f /scratch/tmpHDFS_files/wordsx1_skewed.dat s:8:50:z:0
The $zipfjar has only one jar file in this classpath. It seems that there
was a change to hadoop 0.20.0, not allowing for the option -libjars
immediately after "hadoop jar".
This is the extract from the Hive bug report I was talking about:
-------------
In hadoop-20 - the -libjars has to come after the jar file/class
Please try applying this patch to bin/ext/cli.sh
--- cli.sh (revision 789726)
+++ cli.sh (working copy)
@@ -10,7 +10,7 @@
exit 3;
fi
- exec $HADOOP jar $AUX_JARS_CMD_LINE ${HIVE_LIB}/hive_cli.jar $CLASS
$HIVE_OPTS "$@"
+ exec $HADOOP jar ${HIVE_LIB}/hive_cli.jar $CLASS $AUX_JARS_CMD_LINE
$HIVE_OPTS "$@"
}
----------------
I have also tried:
hadoop jar -libjars [full_location_to_sdsuLibJKD14.jar] $datagenjar
org.apache.pig.test.utils.datagen.DataGenerator -conf $conf_file -rows
10000000 -f /scratch/tmpHDFS_files/wordsx1_skewed.dat s:8:50:z:0
This gives the same error.
Rob
2010/1/14 Dmitriy Ryaboy <[email protected]>
> I think the link you sent got malformatted, but try separating the
> jars with a comma
> http://issues.apache.org/jira/browse/HADOOP-4864
>
> On Thu, Jan 14, 2010 at 7:40 AM, Rob Stewart
> <[email protected]> wrote:
> > Hi Dmitriy,
> >
> > OK, well it seems that since 0.20.0 the order as specified on the Pig
> wiki
> > is no longer relevant:
> > doop jar -libjars $zipfjar $datagenjar org.apache.pig.test.utils.datagen.
> > DataGenerator </pig/DataGenerator> -conf $conf_file [options] colspec...
> >
> > See this patch over at Hive for 0.20.0:
> > http://mail-archives.apache.org/mod_mbox/hadoop-hive-user/200907.mbox/<
> > dfd95197f3ae8c45b0a96c2f4ba3a2556c8358c...@sc-mbxc1.thefacebook.com>
> >
> > I have tried a few combinations, but I can't seem to fit in the "-libjars
> > $zipfjar" in anywhere now.
> >
> > Any ideas?
> >
> > Thanks for your help.
> >
> > Rob
> >
> >
> >
> >
> > 2010/1/14 Dmitriy Ryaboy <[email protected]>
> >
> >> Rob,
> >> You need to tell Hadoop which jars you need it to ship to the worker
> >> nodes. You include datagen.jar, etc, on the classpath, which makes
> >> them discoverable locally, but you aren't telling Hadoop to ship them.
> >> You want to list them, comma-separated, in the -libjars parameter.
> >>
> >> -D
> >>
> >> On Thu, Jan 14, 2010 at 6:49 AM, Rob Stewart
> >> <[email protected]> wrote:
> >> > Hi there.
> >> >
> >> > I am well underway with comparing Pig, Hive, JAQL etc...
> >> >
> >> > The DataGenerator is proving a valuable tool for me. Thanks for that.
> >> >
> >> > I have one query. I am able to use it in local mode, no problem, and
> some
> >> > experiments are complete.
> >> >
> >> > However, I cannot seem to use it in MapReduce mode on the cluster.
> This
> >> is
> >> > my file "generateData" contents:
> >> > ------------------
> >> > export pigjar=$HOME/installation/pig/pig-0.5.0/pig-0.5.0-core.jar
> >> > export zipfjar=$HOME/installation/pig/pig-0.5.0/sdsuLibJKD14.jar
> >> > export datagenjar=$HOME/rs46/installation/DataGenerator/dist/MyPig.jar
> >> > export conf_file=/usr/lib/hadoop/conf/hadoop-site.xml
> >> > export HADOOP_CLASSPATH=$pigjar:$zipfjar:$datagenjar
> >> > /usr/lib/hadoop/bin/hadoop jar $datagenjar
> >> > org.apache.pig.test.utils.datagen.DataGenerator -conf $conf_file -m 1
> >> -rows
> >> > 10000000 -f words.dat s:8:50:z:0
> >> > ------------------
> >> >
> >> > The error I receive when trying to run it with "-m 1" option (in
> cluster
> >> > mode):
> >> > Caused by: java.lang.ClassNotFoundException: sdsu.algorithms.data.Zipf
> >> >
> >> > So in local mode, it successfully picks up the jar file
> sdsuLibJKD14.jar
> >> ,
> >> > but when running it in cluster mode, this classpath is not found?
> >> >
> >> >
> >> > thanks.
> >> >
> >> > Rob Stewart
> >> >
> >>
> >
>
