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From Sean Owen <sro...@gmail.com>
Subject Re: Item Recommender Does not read Filedatamodel
Date Wed, 29 Feb 2012 20:02:52 GMT
Caused by: java.lang.IllegalArgumentException: Bad line: 444,25414

This is your problem.

On Wed, Feb 29, 2012 at 12:21 PM, VIGNESH PRAJAPATI
<vignesh2066@gmail.com>wrote:

>  Hello Mahout Group,
>
>  When i am going to rum my ItemBased Recommender on below given Dataset
> structure.It gives me this errors. I cant understand ,Whats the problem
> ?can any one have solution for this?
>
> Error:
>
>
> [INFO] Scanning for projects...
> [WARNING]
> [WARNING] Some problems were encountered while building the effective model
> for
> com.unresyst:mahoutrec:jar:1.0-SNAPSHOT
> [WARNING] 'parent.relativePath' points at
> org.apache.mahout:mahout-distribution
> instead of org.apache.mahout:mahout, please verify your project structure @
> line
>  4, column 9
> [WARNING]
> [WARNING] It is highly recommended to fix these problems because they
> threaten t
> he stability of your build.
> [WARNING]
> [WARNING] For this reason, future Maven versions might no longer support
> buildin
> g such malformed projects.
> [WARNING]
> [INFO]
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Building mahoutrec 1.0-SNAPSHOT
> [INFO]
> ------------------------------------------------------------------------
> [INFO]
> [INFO] >>> exec-maven-plugin:1.2.1:java (default-cli) @ mahoutrec >>>
> [INFO]
> [INFO] <<< exec-maven-plugin:1.2.1:java (default-cli) @ mahoutrec <<<
> [INFO]
> [INFO] --- exec-maven-plugin:1.2.1:java (default-cli) @ mahoutrec ---
> Feb 29, 2012 10:38:07 PM org.slf4j.impl.JCLLoggerAdapter info
> INFO: Creating FileDataModel for file datasets\mydb.csv
> Feb 29, 2012 10:38:08 PM org.slf4j.impl.JCLLoggerAdapter info
> INFO: Reading file info...
> [WARNING]
> java.lang.reflect.InvocationTargetException
>        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>        at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
> java:39)
>        at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
> sorImpl.java:25)
>        at java.lang.reflect.Method.invoke(Method.java:597)
>        at org.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:297)
>        at java.lang.Thread.run(Thread.java:619)
> Caused by: java.lang.IllegalArgumentException: Bad line: 444,25414
>        at
> com.google.common.base.Preconditions.checkArgument(Preconditions.java
> :116)
>        at
> org.apache.mahout.cf.taste.impl.model.file.FileDataModel.processLine(
> FileDataModel.java:374)
>        at
> org.apache.mahout.cf.taste.impl.model.file.FileDataModel.processFile(
> FileDataModel.java:329)
>        at
> org.apache.mahout.cf.taste.impl.model.file.FileDataModel.buildModel(F
> ileDataModel.java:231)
>        at
> org.apache.mahout.cf.taste.impl.model.file.FileDataModel.reload(FileD
> ataModel.java:203)
>        at
> org.apache.mahout.cf.taste.impl.model.file.FileDataModel.<init>(FileD
> ataModel.java:189)
>        at
> org.apache.mahout.cf.taste.impl.model.file.FileDataModel.<init>(FileD
> ataModel.java:146)
>        at com.unresyst.ItemRecommender.main(ItemRecommender.java:27)
>        ... 6 more
> [INFO]
> ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO]
> ------------------------------------------------------------------------
> [INFO] Total time: 5.578s
> [INFO] Finished at: Wed Feb 29 22:38:10 IST 2012
> [INFO] Final Memory: 12M/254M
> [INFO]
> ------------------------------------------------------------------------
> [ERROR] Failed to execute goal
> org.codehaus.mojo:exec-maven-plugin:1.2.1:java (d
> efault-cli) on project mahoutrec: An exception occured while executing the
> Java
> class. null: InvocationTargetException: Bad line: 444,25414 -> [Help 1]
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e
> swit
> ch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions,
> please rea
> d the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionE
> xception
>
> Dataset  Sample:[userId,ItemId,Ratings]
>
> 1,133,8
> 1,720,6
> 1,971,10
> 1,1095,7
> 1,1616,10
> 1,1978,7
> 1,2145,8
> 1,2211,8
> 1,3751,7
> 1,4062,3
> 1,4633,10
> 1,4842,5
> 1,6518,6
> 1,7576,8
> 1,7724,7
> --
>
> *Vignesh Prajapati*
> Tel: 9427415949 |
> vignesh2066@gmail.com | www.vipras.com.co.in
> MYTK [image: Facebook] <https://www.facebook.com/vigs143> [image:
> Twitter]<http://twitter.com/#%21/vigs143> [image:
> LinkedIn] <http://www.linkedin.com/pub/vignesh-prajapati/37/756/46a>
> [image:
> about.me] <http://www.way4fun.tk><
> http://r1.wisestamp.com/r/landing?promo=7&dest=http%3A%2F%2Fwww.wisestamp.com%2Femail-install%3Futm_source%3Dextension%26utm_medium%3Demail%26utm_campaign%3Dpromo_7
> >
>

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