Hi,
I've been testing Giraph on a hadoop custer set up on Amazon EC2 and I encounter some issues. I can successfully run the PageRankBenchmark, however if I am trying to test the fault tolerance by killing a tasktracker the job eventually dies after trying repeatedly. I have checkpoints enabled (the default every 2 supersteps - and I can see them written in the checkpointing directory)
I then tried to run the unit tests using
mvn test -Dprop.mapred.job.tracker=localhost:50030
and a lot of them fail. The output is quoted below. The surefire logs show the following error. I am pretty new to both hadoop and Giraph and I can't tell what could cause this error. I am puzzled since can run Giraph PageRankBenchmark jobs but the tests fail.


Thanks in advance for your help figuring this out.
Best,
    Oana

Tests run: 9, Failures: 0, Errors: 7, Skipped: 0, Time elapsed: 0.5 sec <<< FAILURE! testBspFail(org.apache.giraph.TestBspBasic) Time elapsed: 0.054 sec <<< ERROR! java.io.IOException: Call to localhost/127.0.0.1:50030 failed on local exception: java.io.EOFException
    at org.apache.hadoop.ipc.Client.wrapException(Client.java:1065)
    at org.apache.hadoop.ipc.Client.call(Client.java:1033)
    at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:224)
    at org.apache.hadoop.mapred.$Proxy2.getProtocolVersion(Unknown Source)
    at org.apache.hadoop.ipc.RPC.getProxy(RPC.java:364)
at org.apache.hadoop.mapred.JobClient.createRPCProxy(JobClient.java:460)
    at org.apache.hadoop.mapred.JobClient.init(JobClient.java:454)
    at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:437)
    at org.apache.hadoop.mapreduce.Job$1.run(Job.java:477)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:416)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1059)
    at org.apache.hadoop.mapreduce.Job.connect(Job.java:475)
    at org.apache.hadoop.mapreduce.Job.submit(Job.java:464)
    at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:494)
    at org.apache.giraph.graph.GiraphJob.run(GiraphJob.java:524)
    at org.apache.giraph.TestBspBasic.testBspFail(TestBspBasic.java:180)
Caused by: java.io.EOFException
    at java.io.DataInputStream.readInt(DataInputStream.java:392)
at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:774)
    at org.apache.hadoop.ipc.Client$Connection.run(Client.java:712)


-------------------------------------------------------
 T E S T S
-------------------------------------------------------
Running org.apache.giraph.TestManualCheckpoint
Setting tasks to 3 for testBspCheckpoint since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testBspCheckpoint Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.664 sec <<< FAILURE!
Running org.apache.giraph.TestAutoCheckpoint
Setting tasks to 3 for testSingleFault since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testSingleFault Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.069 sec <<< FAILURE!
Running org.apache.giraph.TestBspBasic
Setting tasks to 3 for testInstantiateVertex since JobTracker exists...
testInstantiateVertex: java.class.path=/home/ubuntu/giraph/trunk/target/test-classes:/home/ubuntu/giraph/trunk/target/classes:/home/ubuntu/.m2/repository/junit/junit/3.8.1/junit-3.8.1.jar:/home/ubuntu/.m2/repository/org/apache/hadoop/hadoop-core/0.20.203.0/hadoop-core-0.20.203.0.jar:/home/ubuntu/.m2/repository/xmlenc/xmlenc/0.52/xmlenc-0.52.jar:/home/ubuntu/.m2/repository/commons-httpclient/commons-httpclient/3.0.1/commons-httpclient-3.0.1.jar:/home/ubuntu/.m2/repository/commons-logging/commons-logging/1.0.3/commons-logging-1.0.3.jar:/home/ubuntu/.m2/repository/commons-codec/commons-codec/1.4/commons-codec-1.4.jar:/home/ubuntu/.m2/repository/org/apache/commons/commons-math/2.1/commons-math-2.1.jar:/home/ubuntu/.m2/repository/commons-configuration/commons-configuration/1.6/commons-configuration-1.6.jar:/home/ubuntu/.m2/repository/commons-collections/commons-collections/3.2.1/commons-collections-3.2.1.jar:/home/ubuntu/.m2/repository/commons-lang/commons-lang/2.4/commons-lang-2.4.jar:/home/ubuntu/.m2/repository/commons-digester/commons-digester/1.8/commons-digester-1.8.jar:/home/ubuntu/.m2/repository/commons-beanutils/commons-beanutils/1.7.0/commons-beanutils-1.7.0.jar:/home/ubuntu/.m2/repository/commons-beanutils/commons-beanutils-core/1.8.0/commons-beanutils-core-1.8.0.jar:/home/ubuntu/.m2/repository/commons-net/commons-net/1.4.1/commons-net-1.4.1.jar:/home/ubuntu/.m2/repository/org/mortbay/jetty/jetty/6.1.26/jetty-6.1.26.jar:/home/ubuntu/.m2/repository/org/mortbay/jetty/servlet-api/2.5-20081211/servlet-api-2.5-20081211.jar:/home/ubuntu/.m2/repository/org/mortbay/jetty/jetty-util/6.1.26/jetty-util-6.1.26.jar:/home/ubuntu/.m2/repository/tomcat/jasper-runtime/5.5.12/jasper-runtime-5.5.12.jar:/home/ubuntu/.m2/repository/tomcat/jasper-compiler/5.5.12/jasper-compiler-5.5.12.jar:/home/ubuntu/.m2/repository/org/mortbay/jetty/jsp-api-2.1/6.1.14/jsp-api-2.1-6.1.14.jar:/home/ubuntu/.m2/repository/org/mortbay/jetty/servlet-api-2.5/6.1.14/servlet-api-2.5-6.1.14.jar:/home/ubuntu/.m2/repository/org/mortbay/jetty/jsp-2.1/6.1.14/jsp-2.1-6.1.14.jar:/home/ubuntu/.m2/repository/ant/ant/1.6.5/ant-1.6.5.jar:/home/ubuntu/.m2/repository/commons-el/commons-el/1.0/commons-el-1.0.jar:/home/ubuntu/.m2/repository/net/java/dev/jets3t/jets3t/0.7.1/jets3t-0.7.1.jar:/home/ubuntu/.m2/repository/net/sf/kosmosfs/kfs/0.3/kfs-0.3.jar:/home/ubuntu/.m2/repository/hsqldb/hsqldb/1.8.0.10/hsqldb-1.8.0.10.jar:/home/ubuntu/.m2/repository/oro/oro/2.0.8/oro-2.0.8.jar:/home/ubuntu/.m2/repository/org/eclipse/jdt/core/3.1.1/core-3.1.1.jar:/home/ubuntu/.m2/repository/org/codehaus/jackson/jackson-core-asl/1.8.0/jackson-core-asl-1.8.0.jar:/home/ubuntu/.m2/repository/org/apache/mahout/mahout-collections/1.0/mahout-collections-1.0.jar:/home/ubuntu/.m2/repository/com/google/guava/guava/r09/guava-r09.jar:/home/ubuntu/.m2/repository/org/codehaus/jackson/jackson-mapper-asl/1.8.0/jackson-mapper-asl-1.8.0.jar:/home/ubuntu/.m2/repository/org/apache/zookeeper/zookeeper/3.3.3/zookeeper-3.3.3.jar:/home/ubuntu/.m2/repository/log4j/log4j/1.2.15/log4j-1.2.15.jar:/home/ubuntu/.m2/repository/javax/mail/mail/1.4/mail-1.4.jar:/home/ubuntu/.m2/repository/javax/activation/activation/1.1/activation-1.1.jar:/home/ubuntu/.m2/repository/jline/jline/0.9.94/jline-0.9.94.jar:/home/ubuntu/.m2/repository/org/apache/commons/commons-io/1.3.2/commons-io-1.3.2.jar:/home/ubuntu/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar:/home/ubuntu/.m2/repository/net/iharder/base64/2.3.8/base64-2.3.8.jar:/home/ubuntu/.m2/repository/org/json/json/20090211/json-20090211.jar:/home/ubuntu/.m2/repository/org/mockito/mockito-all/1.8.5/mockito-all-1.8.5.jar: testInstantiateVertex: Got vertex Vertex(id=null,value=null,#edges=0), graphStateorg.apache.giraph.graph.GraphState@877ef83
testInstantiateVertex: Example output split =
Setting tasks to 3 for testLocalJobRunnerConfig since JobTracker exists...
testLocalJobRunnerConfig: Skipping for non-local
Setting tasks to 3 for testBspFail since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testBspFail
Setting tasks to 3 for testBspSuperStep since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testBspSuperStep
Setting tasks to 3 for testBspMsg since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testBspMsg
Setting tasks to 3 for testEmptyVertexInputFormat since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testEmptyVertexInputFormat
Setting tasks to 3 for testBspCombiner since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testBspCombiner
Setting tasks to 3 for testBspPageRank since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testBspPageRank
Setting tasks to 3 for testBspShortestPaths since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testBspShortestPaths Tests run: 9, Failures: 0, Errors: 7, Skipped: 0, Time elapsed: 0.501 sec <<< FAILURE! Running org.apache.giraph.lib.TestTextDoubleDoubleAdjacencyListVertexInputFormat
Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.321 sec
Running org.apache.giraph.TestGraphPartitioner
Setting tasks to 3 for testPartitioners since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testPartitioners Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.025 sec <<< FAILURE!
Running org.apache.giraph.TestVertexTypes
11/11/26 21:29:55 WARN graph.GraphMapper: Input format vertex index type is not known 11/11/26 21:29:55 WARN graph.GraphMapper: Input format vertex value type is not known 11/11/26 21:29:55 WARN graph.GraphMapper: Input format edge value type is not known 11/11/26 21:29:55 WARN graph.GraphMapper: Output format vertex index type is not known 11/11/26 21:29:55 WARN graph.GraphMapper: Output format vertex value type is not known 11/11/26 21:29:55 WARN graph.GraphMapper: Output format edge value type is not known
Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.062 sec
Running org.apache.giraph.lib.TestLongDoubleDoubleAdjacencyListVertexInputFormat
Tests run: 4, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.043 sec
Running org.apache.giraph.TestZooKeeperExt
testCreateExt: No prop.zookeeper.list set, skipping test
testDeleteExt: No prop.zookeeper.list set, skipping test
testGetChildrenExt: No prop.zookeeper.list set, skipping test
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.004 sec
Running org.apache.giraph.lib.TestAdjacencyListTextVertexOutputFormat
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.082 sec
Running org.apache.giraph.TestNotEnoughMapTasks
Setting tasks to 3 for testNotEnoughMapTasks since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testNotEnoughMapTasks Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.028 sec <<< FAILURE!
Running org.apache.giraph.TestMutateGraphVertex
Setting tasks to 3 for testMutateGraph since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testMutateGraph Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.031 sec <<< FAILURE!
Running org.apache.giraph.TestJsonBase64Format
Setting tasks to 3 for testContinue since JobTracker exists...
setup: Sending job to job tracker localhost:50030 with jar path target/giraph-0.70-jar-with-dependencies.jar for testContinue Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.016 sec <<< FAILURE!
Running org.apache.giraph.TestPredicateLock
testWaitMsecs:
Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.576 sec

Results :

Tests in error:
  testBspCheckpoint(org.apache.giraph.TestManualCheckpoint)
  testSingleFault(org.apache.giraph.TestAutoCheckpoint)
  testBspFail(org.apache.giraph.TestBspBasic)
  testBspSuperStep(org.apache.giraph.TestBspBasic)
  testBspMsg(org.apache.giraph.TestBspBasic)
  testEmptyVertexInputFormat(org.apache.giraph.TestBspBasic)
  testBspCombiner(org.apache.giraph.TestBspBasic)
  testBspPageRank(org.apache.giraph.TestBspBasic)
  testBspShortestPaths(org.apache.giraph.TestBspBasic)
  testPartitioners(org.apache.giraph.TestGraphPartitioner)
  testNotEnoughMapTasks(org.apache.giraph.TestNotEnoughMapTasks)
  testMutateGraph(org.apache.giraph.TestMutateGraphVertex)
  testContinue(org.apache.giraph.TestJsonBase64Format)

Tests run: 39, Failures: 0, Errors: 13, Skipped: 0

[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 11.267s
[INFO] Finished at: Sat Nov 26 21:29:55 UTC 2011
[INFO] Final Memory: 11M/324M
[INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-surefire-plugin:2.6:test (default-test) on project giraph: There are test failures.
[ERROR]

<<attachment: oana_catu.vcf>>

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