[
https://issues.apache.org/jira/browse/MAHOUT-1132?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13672306#comment-13672306
]
Hudson commented on MAHOUT-1132:
--------------------------------
Integrated in Mahout-Quality #2027 (See
[https://builds.apache.org/job/Mahout-Quality/2027/])
MAHOUT-1132: handle unique items in one line (Revision 1488615)
Result = SUCCESS
gsingers :
Files :
*
/mahout/trunk/core/src/main/java/org/apache/mahout/fpm/pfpgrowth/ParallelCountingMapper.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthTest.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/fpm/pfpgrowth/PFPGrowthTest2.java
> fpgrowth2 crash when have not unique items in one line
> ------------------------------------------------------
>
> Key: MAHOUT-1132
> URL: https://issues.apache.org/jira/browse/MAHOUT-1132
> Project: Mahout
> Issue Type: Bug
> Reporter: Kirill A. Korinskiy
> Assignee: Grant Ingersoll
> Fix For: 0.8
>
> Attachments: MAHOUT-1132.patch
>
>
> I create follow file as input for fpgrowth2:
> 0, 0, 0
> 0, 0, 0
> 0, 0, 0
> and when I run ./bin/mahout -i kv -o output -2 --mathod mapreduct I take a
> crash:
> java.lang.IllegalStateException: mismatched counts for targetAttr=0, (3 !=
> 9); thisTree=[FPTree
> -{attr:-1, cnt:0}-1->-{attr:0, cnt:3}
> ]
> at
> org.apache.mahout.fpm.pfpgrowth.fpgrowth2.FPTree.createMoreFreqConditionalTree(FPTree.java:259)
> at
> org.apache.mahout.fpm.pfpgrowth.fpgrowth2.FPGrowthIds.growth(FPGrowthIds.java:238)
> at
> org.apache.mahout.fpm.pfpgrowth.fpgrowth2.FPGrowthIds.fpGrowth(FPGrowthIds.java:163)
> at
> org.apache.mahout.fpm.pfpgrowth.fpgrowth2.FPGrowthIds.generateTopKFrequentPatterns(FPGrowthIds.java:220)
> at
> org.apache.mahout.fpm.pfpgrowth.fpgrowth2.FPGrowthIds.generateTopKFrequentPatterns(FPGrowthIds.java:115)
> at
> org.apache.mahout.fpm.pfpgrowth.ParallelFPGrowthReducer.reduce(ParallelFPGrowthReducer.java:99)
> at
> org.apache.mahout.fpm.pfpgrowth.ParallelFPGrowthReducer.reduce(ParallelFPGrowthReducer.java:48)
> at org.apache.hadoop.mapreduce.Reducer.run(Reducer.java:176)
> at
> org.apache.hadoop.mapred.ReduceTask.runNewReducer(ReduceTask.java:649)
> at org.apache.hadoop.mapred.ReduceTask.run(ReduceTask.java:417)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:260)
> Follow patch fix it.
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