[ https://issues.apache.org/jira/browse/MAHOUT-839?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dan Brickley updated MAHOUT-839: -------------------------------- Attachment: MAHOUT-839.patch For integration/src/main/java/org/apache/mahout/utils/vectors/RowIdJob.java aka 'bin/mahout rowid'... > 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 > Attachments: 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 not set; adding HADOOP_CONF_DIR to classpath. > Running on hadoop, using > HADOOP_HOME=/Users/danbri/working/hadoop/hadoop-0.20.2 > HADOOP_CONF_DIR=/Users/danbri/working/hadoop/hadoop-0.20.2/conf > MAHOUT-JOB: > /Users/danbri/working/mahout/trunk/examples/target/mahout-examples-0.6-SNAPSHOT-job.jar > ^CTellyClub:bin danbri$ MAHOUT_LOCAL=true ./mahout rowid --help > MAHOUT_LOCAL is set, so we don't add HADOOP_CONF_DIR to classpath. > MAHOUT_LOCAL is set, running locally > SLF4J: Class path contains multiple SLF4J bindings. > SLF4J: Found binding in > [jar:file:/Users/bandri/working/mahout/trunk/examples/target/mahout-examples-0.6-SNAPSHOT-job.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: Found binding in > [jar:file:/Users/bandri/working/mahout/trunk/examples/target/dependency/slf4j-jcl-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: Found binding in > [jar:file:/Users/bandri/working/mahout/trunk/examples/target/dependency/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] > SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an > explanation. > 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