Hi Kristen,

I had this problem before and submitted a Jira ticket (GIRAPH-747) with path. 
You may want to take a look at it. Hope that can solve your problem.

Thanks,
Chuan

On Jan 29, 2014, at 9:16 PM, Eli Reisman <apache.mail...@gmail.com> wrote:

> Hi Kristen, thanks for posting this. During the port to YARN I encountered 
> some race problems with the output sequence. The YARN implementation has to 
> handle this a bit differently than the non-YARN and although we got it 
> figured out at the time, I haven't really looked at it in many months and 
> non-YARN Giraph has evolved quickly since then. Wouldn't shock me if there is 
> trouble here, if I recall the solution seemed a bit delicate.
> 
> If you have some ideas for a patch I'd be happy to review, I am pretty 
> strapped for time right now but if you post a ticket to the Giraph JIRA and 
> no one else attempts a patch I'm sure either myself or Mohammed will take a 
> swipe at it eventually. Thanks!
> 
> Eli
> 
> 
> On Mon, Jan 20, 2014 at 9:01 AM, Kristen Hardwick <khardw...@spryinc.com> 
> wrote:
> Sorry to bug everyone again, but does anyone have any ideas on this? Please 
> let me know if I'm leaving out any crucial information that could get me some 
> help.
> 
> Thanks!
> Kristen
> 
> 
> On Mon, Jan 13, 2014 at 5:48 PM, Kristen Hardwick <khardw...@spryinc.com> 
> wrote:
> Hi all,
> 
> I had a very productive day today getting this stuff figured out. 
> Unfortunately, it appears that I've stumbled onto a possible race condition 
> during the cleanup step of the code for the application.
> 
> I put some information here that explains why I think it is a race condition. 
> http://pastebin.com/Qswb98dq Basically, I tried the exact same command twice, 
> making no other changes - the first time it failed and the second time it 
> succeeded.
> 
> This makes me think that the LeaseExpiredException/DataStreamerException is 
> caused because the files have been cleaned up just before they are needed. 
> Possibly inside the BspServiceMaster, but I am not at all sure about that.
> 
> Is anyone already aware of this? Should I log it as a bug? I do have access 
> to (DEBUG) logs of both the successful and failed attempts if anyone wants to 
> see them.
> 
> Thanks,
> Kristen Hardwick
> 
> 
> On Mon, Jan 13, 2014 at 11:03 AM, Kristen Hardwick <khardw...@spryinc.com> 
> wrote:
> Hi Avery (or anyone else that knows),
> 
> Could you please give me some details that would help me find the past 
> threads that might address this issue? I searched Google with various 
> combinations of "giraph datastreamer exception yarn lease expired zookeeper" 
> and didn't really come up with anything that seemed relevant. 
> 
> Is it possible that it's just a memory issue on my end? I'm running inside a 
> VM - a single node cluster with 8 GB of memory allocated to it. Could that 
> have anything to do with it? Right now I'm investigating the code to try to 
> lower the amount of memory allocated to the containers.
> 
> Thanks,
> Kristen
> 
> 
> On Fri, Jan 10, 2014 at 8:45 PM, Avery Ching <ach...@apache.org> wrote:
> This looks more like the Zookeeper/YARN issues mentioned in the past.  
> Unfortunately, I do not have a YARN instance to test this with.  Does anyone 
> else have any insights here?
> 
> 
> On 1/10/14 1:48 PM, Kristen Hardwick wrote:
>> Hi all, I'm requesting help again! I'm trying to get this 
>> SimpleShortestPathsComputation example working, but I'm stuck again. Now the 
>> job begins to run and seems to work until the final step (it performs 3 
>> supersteps), but the overall job is failing.
>> 
>> In the master, among other things, I see:
>> 
>> ...
>> 14/01/10 15:04:17 INFO master.MasterThread: setup: Took 0.87 seconds.
>> 14/01/10 15:04:17 INFO master.MasterThread: input superstep: Took 0.708 
>> seconds.
>> 14/01/10 15:04:17 INFO master.MasterThread: superstep 0: Took 0.158 seconds.
>> 14/01/10 15:04:17 INFO master.MasterThread: superstep 1: Took 0.344 seconds.
>> 14/01/10 15:04:17 INFO master.MasterThread: superstep 2: Took 0.064 seconds.
>> 14/01/10 15:04:17 INFO master.MasterThread: shutdown: Took 0.162 seconds.
>> 14/01/10 15:04:17 INFO master.MasterThread: total: Took 2.31 seconds.
>> 14/01/10 15:04:17 INFO yarn.GiraphYarnTask: Master is ready to commit final 
>> job output data.
>> 14/01/10 15:04:18 INFO yarn.GiraphYarnTask: Master has committed the final 
>> job output data.
>> ...
>> 
>> To me, that looks promising - like the job was successful. However, in the 
>> WORKER_ONLY containers, I see these things:
>> 
>> ...
>> 14/01/10 15:04:17 INFO graph.GraphTaskManager: cleanup: Starting for 
>> WORKER_ONLY
>> 14/01/10 15:04:17 WARN bsp.BspService: process: Unknown and unprocessed 
>> event 
>> (path=/_hadoopBsp/giraph_yarn_application_1389300168420_0024/_applicationAttemptsDir/0/_superstepDir/1/_addressesAndPartitions,
>>  type=NodeDeleted, state=SyncConnected)
>> 14/01/10 15:04:17 INFO worker.BspServiceWorker: processEvent : 
>> partitionExchangeChildrenChanged (at least one worker is done sending 
>> partitions)
>> 14/01/10 15:04:17 WARN bsp.BspService: process: Unknown and unprocessed 
>> event 
>> (path=/_hadoopBsp/giraph_yarn_application_1389300168420_0024/_applicationAttemptsDir/0/_superstepDir/1/_superstepFinished,
>>  type=NodeDeleted, state=SyncConnected)
>> 14/01/10 15:04:17 INFO netty.NettyClient: stop: reached wait threshold, 1 
>> connections closed, releasing NettyClient.bootstrap resources now.
>> 14/01/10 15:04:17 INFO worker.BspServiceWorker: processEvent: Job state 
>> changed, checking to see if it needs to restart
>> 14/01/10 15:04:17 INFO bsp.BspService: getJobState: Job state already exists 
>> (/_hadoopBsp/giraph_yarn_application_1389300168420_0024/_masterJobState)
>> 14/01/10 15:04:17 INFO yarn.GiraphYarnTask: [STATUS: task-1] saveVertices: 
>> Starting to save 2 vertices using 1 threads
>> 14/01/10 15:04:17 INFO worker.BspServiceWorker: saveVertices: Starting to 
>> save 2 vertices using 1 threads
>> 14/01/10 15:04:17 INFO worker.BspServiceWorker: processEvent: Job state 
>> changed, checking to see if it needs to restart
>> 14/01/10 15:04:17 INFO bsp.BspService: getJobState: Job state already exists 
>> (/_hadoopBsp/giraph_yarn_application_1389300168420_0024/_masterJobState)
>> 14/01/10 15:04:17 INFO bsp.BspService: getJobState: Job state path is empty! 
>> - /_hadoopBsp/giraph_yarn_application_1389300168420_0024/_masterJobState
>> 14/01/10 15:04:17 ERROR zookeeper.ClientCnxn: Error while calling watcher
>> java.lang.NullPointerException
>>         at java.io.StringReader.<init>(StringReader.java:50)
>>         at org.json.JSONTokener.<init>(JSONTokener.java:66)
>>         at org.json.JSONObject.<init>(JSONObject.java:402)
>>         at org.apache.giraph.bsp.BspService.getJobState(BspService.java:716)
>>         at 
>> org.apache.giraph.worker.BspServiceWorker.processEvent(BspServiceWorker.java:1563)
>>         at org.apache.giraph.bsp.BspService.process(BspService.java:1095)
>>         at 
>> org.apache.zookeeper.ClientCnxn$EventThread.processEvent(ClientCnxn.java:519)
>>         at 
>> org.apache.zookeeper.ClientCnxn$EventThread.run(ClientCnxn.java:495)
>> 14/01/10 15:04:17 WARN bsp.BspService: process: Unknown and unprocessed 
>> event 
>> (path=/_hadoopBsp/giraph_yarn_application_1389300168420_0024/_vertexInputSplitsAllReady,
>>  type=NodeDeleted, state=SyncConnected)
>> 14/01/10 15:04:17 WARN bsp.BspService: process: Unknown and unprocessed 
>> event 
>> (path=/_hadoopBsp/giraph_yarn_application_1389300168420_0024/_applicationAttemptsDir/0/_superstepDir/2/_addressesAndPartitions,
>>  type=NodeDeleted, state=SyncConnected)
>> 14/01/10 15:04:17 INFO worker.BspServiceWorker: processEvent : 
>> partitionExchangeChildrenChanged (at least one worker is done sending 
>> partitions)
>> 14/01/10 15:04:17 WARN bsp.BspService: process: Unknown and unprocessed 
>> event 
>> (path=/_hadoopBsp/giraph_yarn_application_1389300168420_0024/_applicationAttemptsDir/0/_superstepDir/2/_superstepFinished,
>>  type=NodeDeleted, state=SyncConnected)
>> ...
>> 14/01/10 15:04:17 WARN hdfs.DFSClient: DataStreamer Exception
>> org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.hdfs.server.namenode.LeaseExpiredException):
>>  No lease on 
>> /user/spry/Shortest/_temporary/1/_temporary/attempt_1389300168420_0024_m_000001_1/part-m-00001:
>>  File does not exist. Holder DFSClient_NONMAPREDUCE_-643344145_1 does not 
>> have any open files.
>>         at 
>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.checkLease(FSNamesystem.java:2755)
>>         at 
>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.analyzeFileState(FSNamesystem.java:2567)
>>         at 
>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2480)
>>         at 
>> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:555)
>>         at 
>> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:387)
>> ...
>> 
>> I apologize for the wall of error message, but I tried to leave in at least 
>> some of the parts that might be useful. I put the entire YARN log here: 
>> http://tny.cz/af229738
>> 
>> Has anyone ever seen this before? This is the command I'm using to run:
>> 
>> hadoop jar 
>> giraph-core/target/giraph-1.1.0-SNAPSHOT-for-hadoop-2.2.0-jar-with-dependencies.jar
>>  org.apache.giraph.GiraphRunner -Dgiraph.SplitMasterWorker=false 
>> -Dgiraph.zkList="localhost:2181" -Dgiraph.zkSessionMsecTimeout=600000 
>> -Dgiraph.useInputSplitLocality=false 
>> org.apache.giraph.examples.SimpleShortestPathsComputation -vif 
>> org.apache.giraph.io.formats.JsonLongDoubleFloatDoubleVertexInputFormat -vip 
>> /user/spry/input -vof 
>> org.apache.giraph.io.formats.IdWithValueTextOutputFormat -op 
>> /user/spry/Shortest -w 1
>> 
>> My setup is still the same as the other email if you saw it:
>> 
>> I compiled Giraph with this command, and everything built successfully 
>> except "Apache Giraph Distribution" which it doesn't seem like I need:
>> 
>> mvn -Phadoop_yarn -Dhadoop.version=2.2.0 -DskipTests clean package
>> 
>> I am running with the following components:
>> 
>> Single node cluster
>> Giraph 1.1
>> Hadoop 2.2.0 (Hortonworks)
>> Java 1.7.0_45
>> 
>> Thanks in advance,
>> -Kristen Hardwick
>> 
> 
> 
> 
> 
> 

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