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From Claudio Martella <claudio.marte...@gmail.com>
Subject Re: Help needed for Running my own java programs in Giraph
Date Mon, 26 Aug 2013 09:20:56 GMT
there must be a misunderstanding. i was referring to the zookeeper problem.


On Mon, Aug 26, 2013 at 11:14 AM, Vivek Sembium <vivek.sembium@gmail.com>wrote:

> No. I added my files(it was just a copy of one of the example program to a
> different package) to the jar files of giraph. But it was still giving me
> classNotFoundException. Can you give me some simple example program with
> instructions on how to deploy it. So I can start playing with giraph and
> make changes to the program and learn, then start working on my project in
> giraph.
> I will be very thankful if you can help me with this.
>
> Thanking you
> -Vivek Sembium
>
>
> On Mon, Aug 26, 2013 at 2:37 PM, Claudio Martella <
> claudio.martella@gmail.com> wrote:
>
>> but you were still using an additional jar added through -libjars, right?
>>
>>
>> On Mon, Aug 26, 2013 at 8:43 AM, Vivek Sembium <vivek.sembium@gmail.com>wrote:
>>
>>> @Claudio Martella Your solution didnt work either. I basically tried
>>> copying the pageRankBenchmark to my own package, renamed the package. It
>>> compiles fine with giraph. But I couldnt run it even if I add those files
>>> to giraph jar before deployment. Help?
>>>
>>>
>>> On Sun, Aug 25, 2013 at 6:33 PM, Claudio Martella <
>>> claudio.martella@gmail.com> wrote:
>>>
>>>> you have this problem when you use two jars (one with giraph and one
>>>> with your classes) instead of a single fat-jar, correct? I tracked the same
>>>> problem a few weeks ago, basically zookeeper is run passing the wrong jar.
>>>>
>>>>
>>>> On Sat, Aug 24, 2013 at 4:51 PM, Vivek Sembium <vivek.sembium@gmail.com
>>>> > wrote:
>>>>
>>>>> Thank you for your suggestion. It worked. Its not giving class not
>>>>> found exception. But its giving me a new error
>>>>> Its stopping at map 0% and reduce 0%. Upon inspection I found that its
>>>>> unable to connect to zookeeper service.
>>>>>
>>>>> java.lang.IllegalStateException: run: Caught an unrecoverable
>>>>> exception onlineZooKeeperServers: Failed to connect in 10 tries!
>>>>> at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:101)
>>>>>  at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
>>>>> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
>>>>>  at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
>>>>> at java.security.AccessController.doPrivileged(Native Method)
>>>>>  at javax.security.auth.Subject.doAs(Subject.java:416)
>>>>> at
>>>>> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)
>>>>>  at org.apache.hadoop.mapred.Child.main(Child.java:249)
>>>>> Caused by: java.lang.IllegalStateException: onlineZooKeeperServers:
>>>>> Failed to connect in 10 tries!
>>>>>  at
>>>>> org.apache.giraph.zk.ZooKeeperManager.onlineZooKeeperServers(ZooKeeperManager.java:727)
>>>>> at
>>>>> org.apache.giraph.graph.GraphTaskManager.startZooKeeperManager(GraphTaskManager.java:371)
>>>>>  at
>>>>> org.apache.giraph.graph.GraphTaskManager.setup(GraphTaskManager.java:204)
>>>>> at org.apache.giraph.graph.GraphMapper.setup(GraphMapper.java:59)
>>>>>  at org.apache.giraph.graph.GraphMapper.run(GraphMapper.java:89)
>>>>> ... 7 more
>>>>>
>>>>> Immediately I ran page rank benchmark and it executed successfully
>>>>> both from giraph in lib directory and also from giraphs own directory.
>>>>>
>>>>> Can you give me a very simple java program(finding maximum in a graph
>>>>> or simple page rank program) in giraph along with its jar file and input
>>>>> files  which I can place in my lib directory of hadoop and test if its
>>>>> working. And also the command to execute it. This should be added in
the
>>>>> documentation as new comers can quickly setup giraph and concentrate
on
>>>>> their project.
>>>>>
>>>>>
>>>>> On Sat, Aug 24, 2013 at 7:12 PM, Ahmet Emre Aladağ <
>>>>> emre.aladag@agmlab.com> wrote:
>>>>>
>>>>>> It isn't asking for edge input. It says make sure you don't need
it.
>>>>>> A warning for the case you may have forgotten to give edge input
when you
>>>>>> really needed.
>>>>>>
>>>>>> The cause of your error is what I'm wondering nowadays. I'm having
a
>>>>>> similar problem. Currently I'm using a workaround: put all the jars
>>>>>> (giraph-core and my module giraph-nutch) in the lib folder of hadoop.
Then
>>>>>> it works. But there should be a clean way of doing this.
>>>>>>
>>>>>> I should be able to say hadoop jar fat.jar ...
>>>>>>
>>>>>> Any help appreciated.
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> ------------------------------
>>>>>> *Kimden: *"Vivek Sembium" <vivek.sembium@gmail.com>
>>>>>> *Kime: *user@giraph.apache.org
>>>>>> *Gönderilenler: *24 Ağustos Cumartesi 2013 11:51:49
>>>>>> *Konu: *Re: Help needed for Running my own java programs in Giraph
>>>>>>
>>>>>>
>>>>>> I tried with and without exporting hadoop classpath. I get the same
>>>>>> error.
>>>>>>
>>>>>> Here's the command that I tried
>>>>>> hadoop jar
>>>>>> /mnt/a1/sda4/hadoop/giraph/giraph-core/target/giraph-1.1.0-SNAPSHOT-for-hadoop-1.0.2-jar-with-dependencies.jar
>>>>>> org.apache.giraph.GiraphRunner -libjars
>>>>>> /mnt/a99/d0/vivek/workspace/Giraph/bin/SimplePageRankComputation.jar
>>>>>> practice.SimplePageRankComputation\$SimplePageRankMasterCompute -vif
>>>>>> org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat
>>>>>> -vip /user/vivek/tiny_graph.txt -w 3
>>>>>>
>>>>>>
>>>>>> 13/08/24 14:21:00 INFO utils.ConfigurationUtils: No edge input format
>>>>>> specified. Ensure your InputFormat does not require one.
>>>>>> 13/08/24 14:21:00 INFO utils.ConfigurationUtils: No output format
>>>>>> specified. Ensure your OutputFormat does not require one.
>>>>>> Exception in thread "main" java.lang.NoClassDefFoundError:
>>>>>> org/apache/giraph/master/DefaultMasterCompute
>>>>>>         at java.lang.ClassLoader.defineClass1(Native Method)
>>>>>>         at java.lang.ClassLoader.defineClass(ClassLoader.java:634)
>>>>>>         at
>>>>>> java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
>>>>>>         at
>>>>>> java.net.URLClassLoader.defineClass(URLClassLoader.java:277)
>>>>>>         at java.net.URLClassLoader.access$000(URLClassLoader.java:73)
>>>>>>         at java.net.URLClassLoader$1.run(URLClassLoader.java:212)
>>>>>>         at java.security.AccessController.doPrivileged(Native Method)
>>>>>>         at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
>>>>>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
>>>>>>         at
>>>>>> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
>>>>>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:314)
>>>>>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
>>>>>>         at java.lang.Class.forName0(Native Method)
>>>>>>         at java.lang.Class.forName(Class.java:186)
>>>>>>         at
>>>>>> org.apache.giraph.utils.ConfigurationUtils.handleComputationClass(ConfigurationUtils.java:425)
>>>>>>         at
>>>>>> org.apache.giraph.utils.ConfigurationUtils.populateGiraphConfiguration(ConfigurationUtils.java:408)
>>>>>>         at
>>>>>> org.apache.giraph.utils.ConfigurationUtils.parseArgs(ConfigurationUtils.java:200)
>>>>>>         at org.apache.giraph.GiraphRunner.run(GiraphRunner.java:74)
>>>>>>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>>>>>>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>>>>>>         at org.apache.giraph.GiraphRunner.main(GiraphRunner.java:124)
>>>>>>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>>>>>>         at
>>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
>>>>>>         at
>>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>>>>>>         at java.lang.reflect.Method.invoke(Method.java:616)
>>>>>>         at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
>>>>>> Caused by: java.lang.ClassNotFoundException:
>>>>>> org.apache.giraph.master.DefaultMasterCompute
>>>>>>         at java.net.URLClassLoader$1.run(URLClassLoader.java:217)
>>>>>>         at java.security.AccessController.doPrivileged(Native Method)
>>>>>>         at java.net.URLClassLoader.findClass(URLClassLoader.java:205)
>>>>>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:321)
>>>>>>         at
>>>>>> sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:294)
>>>>>>         at java.lang.ClassLoader.loadClass(ClassLoader.java:266)
>>>>>>         ... 26 more
>>>>>>
>>>>>>
>>>>>> I gave the graph input as JSON file. Why does it ask for edge input
>>>>>> file again?
>>>>>>
>>>>>>
>>>>>> Why isnt this working?
>>>>>>
>>>>>>
>>>>>> On Sat, Aug 24, 2013 at 12:35 AM, Kyle Orlando <
>>>>>> kyle.r.orlando@gmail.com> wrote:
>>>>>>
>>>>>>> Hi Vivek,
>>>>>>>
>>>>>>> Sorry for the hasty response, I assumed the quick start guide
>>>>>>> covered that (I guess it doesn't). What you need to do first
is put all of
>>>>>>> your compiled code into a jar file.  Then, you'll be utilizing
the hadoop
>>>>>>> option -libjars.  You also need to make sure that you set the
hadoop
>>>>>>> classpath to include the giraph jar you are using as well as
your own jar.
>>>>>>> I actually asked a similar question not too long ago; prior to
this, I was
>>>>>>> just combining everything into one jar.
>>>>>>>
>>>>>>>
>>>>>>> Your code should pretty much follow this format, which is copied
and
>>>>>>> paster from a previous response by Claudio:
>>>>>>>
>>>>>>> export HADOOP_CLASSPATH="giraph.jar:your.jar"
>>>>>>> hadoop jar giraph.jar org.apache.giraph.GiraphRunner [ -D option
]*
>>>>>>> -libjars your.jar your.package.ComputationClass [ GiraphRunner
>>>>>>> option e.g. -vip -vif etc. ]*
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Aug 23, 2013 at 2:51 PM, Vivek Sembium <
>>>>>>> vivek.sembium@gmail.com> wrote:
>>>>>>>
>>>>>>>> Thank You for your response. I could run all the example
programs.
>>>>>>>> I want to place my development code in a different directory
other than the
>>>>>>>> giraph directory. I copied the SimplePageRankComputation.java
to a
>>>>>>>> different directory, compiled it(with a different package
name). But I
>>>>>>>> couldnt replace the "org.apache.giraph.examples.SimpleShortestPathsComputation"
>>>>>>>> with my class file. It gives me a ClassNotFoundException.
Please Guide me
>>>>>>>> so that I can run any class file with all required methods
(GIven the
>>>>>>>> location of that file).
>>>>>>>>
>>>>>>>>
>>>>>>>> On Sat, Aug 24, 2013 at 12:07 AM, Kyle Orlando <
>>>>>>>> kyle.r.orlando@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> A "Quick Start" guide was recently added to the Giraph
website.
>>>>>>>>> Now learning Giraph is easier than ever!  Here:
>>>>>>>>> http://giraph.apache.org/quick_start.html
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Fri, Aug 23, 2013 at 2:34 PM, Vivek Sembium <
>>>>>>>>> vivek.sembium@gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> I am a new user in giraph. I could run all example
programs in
>>>>>>>>>> Giraph. Can someone please guide me on how to run
my own java program in
>>>>>>>>>> giraph (Assuming I have my input file in jason format
in HDFS).
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Kyle Orlando
>>>>>>>>> Computer Engineering Major
>>>>>>>>> University of Maryland
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Kyle Orlando
>>>>>>> Computer Engineering Major
>>>>>>> University of Maryland
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>>    Claudio Martella
>>>>    claudio.martella@gmail.com
>>>>
>>>
>>>
>>
>>
>> --
>>    Claudio Martella
>>    claudio.martella@gmail.com
>>
>
>


-- 
   Claudio Martella
   claudio.martella@gmail.com

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