[ https://issues.apache.org/jira/browse/MAHOUT-839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Grant Ingersoll reassigned MAHOUT-839: -------------------------------------- Assignee: Grant Ingersoll > 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 > 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) -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira