David Kjerrumgaard created HADOOP-12062: -------------------------------------------
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 -- This message was sent by Atlassian JIRA (v6.3.4#6332)