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 <[email protected]>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 <[email protected] > > 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" <[email protected]> >> *Kime: *[email protected] >> *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 >> <[email protected]>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 >>> <[email protected]>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 < >>>> [email protected]> 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 < >>>>> [email protected]> 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 [email protected]
