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From Toshio ITO <>
Subject release-1.1.0-RC0 (hadoop_1) unit tests failure
Date Wed, 02 Jul 2014 08:01:15 GMT
Hi all,

I built Giraph release-1.1.0-RC0 tag and ran unit tests. The tests

Are these failures expected? I feel uncomfortable to see failures in


- Ubuntu Server 14.04 64bit
- openjdk-7-jdk
- Hadoop 1.2.1 (single node on localhost)


- Succeeded to compile. (mvn package -Phadoop_1 -DskipTests)
- Unit tests (with LocalJobRunner) failed at "Rexster I/O Format".
- Unit tests (with a running Hadoop) failed at "Examples".
- Succeeded to run "Shortest Paths Example" in "Quick Start".


- I ran the following commands.

 $ cd /usr/loca/giraph
 $ git checkout release-1.1.0-RC0
 $ mvn clean package -Phadoop_1 

While running "Rexster I/O Format" tests, it repeated to connect to
ZooKeeper but never succeeded. It kept emitting the following
messages every second.

 14/07/02 11:14:47 INFO zookeeper.ClientCnxn: Opening socket connection to server localhost/
Will not attempt to authenticate using SASL (unknown error)
 14/07/02 11:14:47 WARN zookeeper.ClientCnxn: Session 0x146f4da18960002 for server null, unexpected
error, closing socket connection and attempting reconnect Connection refused
         at Method)
         at org.apache.zookeeper.ClientCnxnSocketNIO.doTransport(
         at org.apache.zookeeper.ClientCnxn$

I had to terminate the test by Ctrl-C.

- Then I ran the following commands with Hadoop running.

 $ mvn clean package -Phadoop_1 -Dprop.mapred.job.tracker=localhost:54311

While running "Examples" tests, it stuck at "testBspFail" job. A Map
task was killed because of the following error.

 java.lang.Throwable: Child Error
 Caused by: Task process exit with nonzero status of 1.

After ten minutes, it somehow timed-out and all Map tasks were
killed. The test repeated to connect to ZooKeeper like it did
above. I terminated the test and the Hadoop job.

Toshio Ito

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