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Posted to hdfs-dev@hadoop.apache.org by "Akira Ajisaka (Jira)" <ji...@apache.org> on 2019/12/04 02:31:00 UTC
[jira] [Resolved] (HDFS-14825) [Dynamometer] Workload doesn't start
unless an absolute path of Mapper class given
[ https://issues.apache.org/jira/browse/HDFS-14825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Akira Ajisaka resolved HDFS-14825.
----------------------------------
Fix Version/s: 3.3.0
Hadoop Flags: Reviewed
Resolution: Fixed
Merged into trunk. Thank you [~tasanuma], [~soyamiyoshi], and [~xkrogen].
> [Dynamometer] Workload doesn't start unless an absolute path of Mapper class given
> ----------------------------------------------------------------------------------
>
> Key: HDFS-14825
> URL: https://issues.apache.org/jira/browse/HDFS-14825
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Soya Miyoshi
> Assignee: Takanobu Asanuma
> Priority: Major
> Fix For: 3.3.0
>
>
> When starting a workload by start-workload.sh, unless an absolute path of Mapper is given, the workload doesn't start.
>
> {code:java}
> $ hadoop/tools/dynamometer/dynamometer-workload/bin/start-workload.sh - \
> Dauditreplay.input-path=hdfs:///user/souya/input/audit \
> -Dauditreplay.output-path=hdfs:///user/souya/results/ \
> -Dauditreplay.num-threads=50 -Dauditreplay.log-start-time.ms=5 \
> -nn_uri hdfs://namenode_address:port/ \
> -mapper_class_name AuditReplayMapper
> {code}
> results in
> {code:java}
> SLF4J: Defaulting to no-operation (NOP) logger implementation
> SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
> Exception in thread "main" java.lang.ClassNotFoundException: Class org.apache.hadoop.tools.dynamometer.workloadgenerator.AuditReplayMapper not found
> at org.apache.hadoop.conf.Configuration.getClassByName(Configuration.java:2572)
> at org.apache.hadoop.tools.dynamometer.workloadgenerator.WorkloadDriver.getMapperClass(WorkloadDriver.java:183)
> at org.apache.hadoop.tools.dynamometer.workloadgenerator.WorkloadDriver.run(WorkloadDriver.java:127)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:90)
> at org.apache.hadoop.tools.dynamometer.workloadgenerator.WorkloadDriver.main(WorkloadDriver.java:172)
> {code}
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