David Kjerrumgaard created HADOOP-12062:
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Summary: Yarn Scheduler Load Simulator does not work
Key: HADOOP-12062
URL: https://issues.apache.org/jira/browse/HADOOP-12062
Project: Hadoop Common
Issue Type: Bug
Components: tools
Affects Versions: 2.7.0
Environment: OS X 10.10. JDK 1.7
Reporter: David Kjerrumgaard
Running the SLS, as per the instructions on the web results in a
NullPointerException being thrown.
Steps followed to create error:
1) Download Apache Hadoop 2.7.0 tarball from Apache site
2) Untar 2.7.0 tarball into /opt directory
3) Execute the following command:
/opt/hadoop-2.7.0/share/hadoop/tools/sls//bin/slsrun.sh
--input-rumen=/opt/hadoop-2.7.0/share/hadoop/tools/sls/sample-data/2jobs2min-rumen-jh.json
--output-dir=/tmp
Results in the following error:
15/06/04 10:25:41 INFO rmnode.RMNodeImpl: a2118.smile.com:2 Node Transitioned
from NEW to RUNNING
15/06/04 10:25:41 INFO capacity.CapacityScheduler: Added node a2118.smile.com:2
clusterResource: <memory:30720, vCores:30>
15/06/04 10:25:41 INFO util.RackResolver: Resolved a2115.smile.com to
/default-rack
15/06/04 10:25:41 INFO resourcemanager.ResourceTrackerService: NodeManager from
node a2115.smile.com(cmPort: 3 httpPort: 80) registered with capability:
<memory:10240, vCores:10>, assigned nodeId a2115.smile.com:3
15/06/04 10:25:41 INFO rmnode.RMNodeImpl: a2115.smile.com:3 Node Transitioned
from NEW to RUNNING
15/06/04 10:25:41 INFO capacity.CapacityScheduler: Added node a2115.smile.com:3
clusterResource: <memory:40960, vCores:40>
Exception in thread "main" java.lang.RuntimeException:
java.lang.NullPointerException
at
org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:134)
at
org.apache.hadoop.yarn.sls.SLSRunner.startAMFromRumenTraces(SLSRunner.java:398)
at org.apache.hadoop.yarn.sls.SLSRunner.startAM(SLSRunner.java:250)
at org.apache.hadoop.yarn.sls.SLSRunner.start(SLSRunner.java:145)
at org.apache.hadoop.yarn.sls.SLSRunner.main(SLSRunner.java:528)
Caused by: java.lang.NullPointerException
at
java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333)
at
java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988)
at
org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:126)
... 4 more
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