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https://issues.apache.org/jira/browse/MAHOUT-1285?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13835553#comment-13835553
]
Hudson commented on MAHOUT-1285:
--------------------------------
SUCCESS: Integrated in Mahout-Quality #2339 (See
[https://builds.apache.org/job/Mahout-Quality/2339/])
MAHOUT-1285: Adding entry to CHANGELOG (smarthi: rev 1546637)
* /mahout/trunk/CHANGELOG
MAHOUT-1285: Return NaN if a string (smarthi: rev 1546636)
*
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/arff/MapBackedARFFModel.java
*
/mahout/trunk/integration/src/test/java/org/apache/mahout/utils/vectors/arff/MapBackedARFFModelTest.java
MAHOUT-1285: Arff loader can misparse string data as double (smarthi: rev
1546624)
*
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/arff/ARFFVectorIterable.java
*
/mahout/trunk/integration/src/main/java/org/apache/mahout/utils/vectors/arff/MapBackedARFFModel.java
*
/mahout/trunk/integration/src/test/java/org/apache/mahout/utils/vectors/arff/MapBackedARFFModelTest.java
> Arff loader can misparse string data as double
> ----------------------------------------------
>
> Key: MAHOUT-1285
> URL: https://issues.apache.org/jira/browse/MAHOUT-1285
> Project: Mahout
> Issue Type: Bug
> Affects Versions: 0.9
> Environment: Linux Ubuntu 12.4
> Reporter: Neil Walkinshaw
> Assignee: Suneel Marthi
> Fix For: 0.9
>
> Attachments: MAHOUT-1285.patch, tempArff
>
>
> Have successfully loaded numerous ARFF files with Mahout (originally
> generated via WEKA). The files contain randomly generated data. For a
> specific random seed, the following exception is thrown:
> java.lang.NumberFormatException: For input string:
> "b1shkt70694difsmmmdv0ikmoh"
> at
> sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1241)
> at java.lang.Double.parseDouble(Double.java:540)
> at
> org.apache.mahout.utils.vectors.arff.MapBackedARFFModel.processNumeric(MapBackedARFFModel.java:146)
> at
> org.apache.mahout.utils.vectors.arff.MapBackedARFFModel.getValue(MapBackedARFFModel.java:97)
> at
> org.apache.mahout.utils.vectors.arff.ARFFIterator.computeNext(ARFFIterator.java:77)
> at
> org.apache.mahout.utils.vectors.arff.ARFFIterator.computeNext(ARFFIterator.java:30)
> at
> com.google.common.collect.AbstractIterator.tryToComputeNext(AbstractIterator.java:143)
> at
> com.google.common.collect.AbstractIterator.hasNext(AbstractIterator.java:138)
> at
> org.apache.mahout.utils.vectors.io.SequenceFileVectorWriter.write(SequenceFileVectorWriter.java:44)
> at
> org.apache.mahout.utils.vectors.arff.Driver.writeFile(Driver.java:251)
> at org.apache.mahout.utils.vectors.arff.Driver.main(Driver.java:145)
> at
> libInterfaces.MahoutTraceBuilder.generateMahoutFile(MahoutTraceBuilder.java:38)
> at
> libInterfaces.MahoutTraceBuilder.generateMahoutReader(MahoutTraceBuilder.java:42)
> at tests.InputTester.testMahoutMeansShift(InputTester.java:111)
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