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https://issues.apache.org/jira/browse/MAHOUT-839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grant Ingersoll updated MAHOUT-839:
-----------------------------------
Priority: Trivial (was: Major)
> rowid job failing (when parsing options)
> ------------------------------------------
>
> Key: MAHOUT-839
> URL: https://issues.apache.org/jira/browse/MAHOUT-839
> Project: Mahout
> Issue Type: Bug
> Reporter: Dan Brickley
> Assignee: Grant Ingersoll
> Priority: Trivial
> Labels: options, rowid
> Attachments: MAHOUT-839-v2.patch, MAHOUT-839.patch
>
>
> Although MAHOUT-757 moved towards standard option naming, it uses different
> APIs for option parsing than other jobs.
> On my system, it died reliably with null pointer error. Reported in mail
> here, but not reconfirmed by anyone else yet:
> http://permalink.gmane.org/gmane.comp.apache.mahout.user/9659
> Example:
> TellyClub:bin danbri$ ./mahout rowid --help
> MAHOUT_LOCAL is set, so we don't add HADOOP_CONF_DIR to classpath.
> MAHOUT_LOCAL is set, running locally
> [skipping some hopefully unrelated SLF4J errors re same thing on classpath
> twice]
> Exception in thread "main" java.lang.NullPointerException
> at org.apache.hadoop.fs.Path.<init>(Path.java:61)
> at org.apache.hadoop.fs.Path.<init>(Path.java:50)
> at org.apache.mahout.utils.vectors.RowIdJob.run(RowIdJob.java:49)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
> at org.apache.mahout.utils.vectors.RowIdJob.main(RowIdJob.java:89)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
> at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
> at org.apache.mahout.driver.MahoutDriver.main(MahoutDriver.java:188)
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