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https://issues.apache.org/jira/browse/HDFS-14755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16911445#comment-16911445
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Erik Krogen commented on HDFS-14755:
------------------------------------
Hi [~tasanuma], thanks for raising an issue. The version of Dynamometer
included with mainline Hadoop isn't intended to be used with the Hadoop 2.x
line. I suspect even if this issue is resolved, there will be a number of other
incompatible issues -- I know because I tried to make the [GitHub version of
Dynamometer|https://github.com/linkedin/dynamometer], which primarily supports
Hadoop 2.x, have compatibility for both 2.x and 3.x lines and it did not seem
feasible. I suggest if you need to run Dynamometer against the 2.x line, you
use the GitHub version.
> [Dynamometer] Hadoop-2 DataNode fail to start
> ---------------------------------------------
>
> Key: HDFS-14755
> URL: https://issues.apache.org/jira/browse/HDFS-14755
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: tools
> Reporter: Takanobu Asanuma
> Assignee: Takanobu Asanuma
> Priority: Major
>
> When using a fsimage of Hadoop-2 with hadoop-dynamometer, datanodes fail to
> start with the following error.
> {noformat}
> Exception in thread "main" java.lang.IllegalAccessError: tried to access
> method
> org.apache.hadoop.hdfs.server.datanode.StorageLocation.getUri()Ljava/net/URI;
> from class org.apache.hadoop.tools.dynamometer.SimulatedDataNodes
> at
> org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.run(SimulatedDataNodes.java:113)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
> at
> org.apache.hadoop.tools.dynamometer.SimulatedDataNodes.main(SimulatedDataNodes.java:88)
> ./start-component.sh: line 317: kill: (9876) - No such process
> {noformat}
> The cause of this error is an incompatibility of StorageLocation.
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