Hi Vamshi, Are you sure you have added the relevant jars in your classpath correctly. Error is : Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.KeeperException Your code is not able to find proper jars in path.
Hope this helps! -----Original Message----- From: Vamshi Krishna [mailto:vamshi2...@gmail.com] Sent: Wednesday, December 14, 2011 8:14 PM To: user@hbase.apache.org Subject: Re: No changes or progress status on web UI during mapreduce program running Hi, thank you. all these days i am coding in eclipse and trying to run that program from eclipse only, but never i saw that program running on the cluster , only it is running on the LocalJobRunner, even though i set config.set("mapred.job.tracker", "jthost:port"); Now i realized on thing. just correct me if i am wrong. " write code in the eclipse, then build it, then jar it, then run it through command line in the hadoop home folder " for example: {Hadoop_home}/bin/hadoop jar project.jar program_name -jt <host:port> argument_1 argument_2 .. Is it the correct way ? please correct if i am wrong. Now, i did the same thing as i mentioned in the above lines. i started running the program from one of the datanode machine(one of the machines in my 2 node cluster), now i observed that program is running on the cluster, i specified 4 map tasks, 2 reduce tasks. But out of 4 map tasks, only those 2 tasks are running on the datanode machine, but the other 2 map tasks submitted to namenode machine are not running, . I got the following error on the console and on the jobtracker web UI page for those corresponding tasks. please what is the problem, help... java.lang.RuntimeException: java.lang.reflect.InvocationTargetException at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:115) at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:569) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:305) at org.apache.hadoop.mapred.Child.main(Child.java:170) Caused by: java.lang.reflect.InvocationTargetException at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:513) at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:113) ... 3 more Caused by: java.lang.NoClassDefFoundError: org/apache/zookeeper/KeeperException at SetImplementation.MyHset$setInsertionMapper.(MyHset.java:138) ... 8 more Caused by: java.lang.ClassNotFoundException: org.apache.zookeeper.KeeperException at java.net.URLClassLoader$1.run(URLClassLoader.java:202) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:190) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301) at java.lang.ClassLoader.loadClass(ClassLoader.java:247) ... 9 more On Tue, Dec 13, 2011 at 9:22 AM, Harsh J <ha...@cloudera.com> wrote: > Vamsi, > > One easy hack is to: > config.set("mapred.job.tracker", "jthost:port"); > > (Or better yet, use the Tool interface always to write your Hadoop > jobs and then you can simply pass a "-jt <host:port>" in the > command-line when you want it to run against a cluster. > > On 13-Dec-2011, at 8:43 AM, Vamshi Krishna wrote: > > > what i shoud set in job's classpath ? where should i do setting > > class > path > > for job and how ? My requirement is to run the MR jobs on the > > cluster of nodes and NOT by LocalJobRunner , when i start the program form > > eclipse. > > please help me.. > > My snippet of code for job settings is here, are there any more > > settings > i > > need to add here, > > > > public static void main(String args[]) throws IOException, > > InterruptedException, ClassNotFoundException > > { > > > > Configuration config=HBaseConfiguration.create(); > > Job job=new Job(config, "SET-Insetion"); > > job.setJarByClass(MyHset.class); > > job.setMapperClass(setInsertionMapper.class); > > > > ... > > ... > > > > On Mon, Dec 12, 2011 at 11:35 PM, Jean-Daniel Cryans < > jdcry...@apache.org>wrote: > > > >> That setting also needs to be in your job's classpath, it won't > >> guess > it. > >> > >> J-D > >> > >> On Thu, Dec 8, 2011 at 10:14 PM, Vamshi Krishna > >> <vamshi2...@gmail.com> > >> wrote: > >>> Hi harsh, > >>> ya, i no jobs are seen in that jobtracker page, under RUNNING JOBS > >>> it > is > >>> none, under FINISHED JOBS it is none,FAILED JOBS it is none . its > >>> just > >> like > >>> no job is running. In eclipse i could see during mapreduce program > >> running, > >>> as you said "LOcalJobRunner", may be Eclipse is merely launching > >>> the program via a LocalJobRunner. > >>> I ran like this, > >>> > >>> 1) right click on my main java file-> run as-> java application , > So, > >> it > >>> happened as i mentioned. > >>> > >>> So, i tried even doing this, > >>> > >>> 2) right click on my main java file-> run as-> Run on hadoop, Now > >>> nothing is happening, i mean to say, no job is created, no process > seems > >> to > >>> be started then, i checked even the jobtracker, task tracker pages > also, > >>> there also i colud see no jobs are running, all are none. > >>> > >>> But actually if i see my mared-site.xml file in conf directory of > hadoop, > >>> its like this > >>> > >>> <name>mapred.job.tracker</name> > >>> <value>hadoop-namenode:9001</value> > >>> > >>> this hadoop-namenode's ip address is 10.0.1.54, i am running my > mapreduce > >>> job from an eclipse ,which is residing on the same machine. so, > >>> the mapred.job.tracker is set to one machine and port, so, then it > >>> should > be > >>> submitted as distributed job, right? But why this is not happening? > >>> On all machines , all daemons are running. > >>> what i should do to run it on clusetr from the eclipse.. please > help.. > >>> On Thu, Dec 8, 2011 at 12:12 PM, Harsh J <ha...@cloudera.com> wrote: > >>> > >>>> Do you not see progress, or do you not see a job at all? > >>>> > >>>> Perhaps the problem is that your Eclipse is merely launching the > program > >>>> via a LocalJobRunner, and not submitting to the cluster. This is > >>>> cause > >> of > >>>> improper config setup (you need "mapred.job.tracker" set at > >>>> minimum, > to > >>>> submit a distributed job). > >>>> > >>>> On 08-Dec-2011, at 12:10 PM, Vamshi Krishna wrote: > >>>> > >>>>> Hi all, > >>>>> i am running hbase on 3 machine cluster.i am running a mapreduce > >> program > >>>> to > >>>>> insert data into an hbase table from elipse, so when its running > >>>>> i > >> opened > >>>>> hadoop jobtracker and tasktracker pages > >>>>> (http://10.0.1.54:50030 and http://10.0.1.54:50060) on browser, > >>>>> i > >> could > >>>>> find no changes or progress of mapreduce jobs, like map tasks' > >> progresses > >>>>> etc.. What is the problem, how can i see their progress on the > >> browser, > >>>>> while mapreduce program is running from eclipse? i am using > >> ubuntu-10.04 > >>>>> > >>>>> can anybody help? > >>>>> > >>>>> -- > >>>>> *Regards* > >>>>> * > >>>>> Vamshi Krishna > >>>>> * > >>>> > >>>> > >>> > >>> > >>> -- > >>> *Regards* > >>> * > >>> Vamshi Krishna > >>> * > >> > > > > > > > > -- > > *Regards* > > * > > Vamshi Krishna > > * > > -- *Regards* * Vamshi Krishna * ::DISCLAIMER:: ----------------------------------------------------------------------------------------------------------------------- The contents of this e-mail and any attachment(s) are confidential and intended for the named recipient(s) only. It shall not attach any liability on the originator or HCL or its affiliates. Any views or opinions presented in this email are solely those of the author and may not necessarily reflect the opinions of HCL or its affiliates. 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